Fast Incident Light Field Acquisition and Rendering ABSTRACT (2009)
Ivo Ihrke, Marcus Magnor, Timo Stich, Hans-peter Seidel, Heiko Gottschlich
We present a practical and inexpensive approach for the acquisition and rendering of static incident light fields. Incident light fields can be used for lighting virtual scenes or to insert virtual...
Time-resolved 3D Capture of Non-Stationary Gas Flows (2009)
Bradley Atcheson, Ivo Ihrke, Wolfgang Heidrich, Art Tevs, Derek Bradley, Marcus Magnor, ...
of the 3D gradient field tomographically reconstructed from 16 cameras. Far right: volume rendering of the final refractive index field after
Global Illumination using Photon Ray Splatting (2009)
Robert Herzog, Vlastimil Havran, Shinichi Kinuwaki, Karol Myszkowski, Hans-peter Seidel
We present a novel framework for efficiently computing the indirect illumination in diffuse and moderately glossy scenes using density estimation techniques. Many existing global illumination...
On Cross-Validation and Resampling of BRDF Data Measurements (2009)
Vlastimil Havran, Attila Neumann, Georg Zotti, Werner Purgathofer, Hans-peter Seidel
ceiling floortile pinkwall walkway painted agglomerate granite polished ceramic plastic with a glossy varnish Figure 1: Four material samples as the subject of the validation. The samples are...
Exponential Shadow Maps (2009)
Thomas Annen, Tom Mertens, Hans-peter Seidel, Eddy Flerackers, Jan Kautz
Figure 1: A backyard scene rendered with a 2k × 2k shadow map and 5 × 5 Gauss filtering using (from left to right, statistics include mip-map memory): CSMs
Applications of Pixel Texturesin Visualization and Realistic Image Synthesis (2009)
Wolfgang Heidrich, Hans-peter Seidel, Thomas Ertl
Abstract With fast 3D graphics becoming more and more available even onlow end platforms, the focus in developing new graphics hardware is beginning to shift towards higher quality rendering and...
Er Belyaev, Michael Garl, Wolfram Funck, Holger Theisel, Hans-peter Seidel
We present an approach for elastic secondary deformations of shapes described as triangular meshes. The deformations are steered by the simulation of a low number of simple mass-spring sets. The...
Holger Theisel, Mpi Informatik Saarbrücken, Tino Weinkauf, Hans-christian Hege, Hans-peter Seidel, Mpi Informatik Saarbrücken
(b) Due to the shown separation surfaces, the topological skeleton of the vector field looks visually cluttered. (c) Visualization of the topological skeleton using saddle connectors. Figure 1:...
Tino Weinkauf, Jan Sahner, Holger Theisel, Hans-christian Hege, Hans-peter Seidel
We present a unified feature extraction architecture consisting of only three core algorithms that allows to extract and track a rich variety of geometrically defined, local and global features...
On the Applicability of Topological Methods for Complex Flow Data (2009)
Holger Theisel, Tino Weinkauf, Hans-christian Hege, Hans-peter Seidel
Summary: In this paper we study the applicability of topological methods for creating expressive, feature revealing visualizations of 3D vector fields. 3D vector fields can become very complex by...
Combining Topological Simplification and Topology Preserving Compression for 2D Vector Fields (2009)
Holger Theisel, Christian Rössl, Hans-peter Seidel
Topological simplification techniques and topology preserving compression approaches for 2D vector fields have been developed quite independently of each other. In this paper we propose a combination...
Drift-free Tracking of Rigid and Articulated Objects (2009)
Juergen Gall, Bodo Rosenhahn, Hans-peter Seidel
Model-based 3D tracker estimate the position, rotation, and joint angles of a given model from video data of one or multiple cameras. They often rely on image features that are tracked over time but...
Multiresolution shape deformations for meshes with dynamic connectivity (2009)
Leif P. Kobbelt, Thilo Bareuther, Hans-peter Seidel
Multiresolution shape representation is a very effective way to decompose surface geometry into several levels of detail. Geometric modeling with such representations enables flexible modifications...
Martin Bokeloh, Er Berner, Michael W, Hans-peter Seidel, Andreas Schilling, Graphisch-interaktive Systeme, ...
In this report, we present a novel feature detection technique for unstructured point clouds. We introduce a generalized concept of geometric features that detects locally uniquely identifiable...
Irene Albrecht, Marc Schröder, Jörg Haber, Hans-peter Seidel
Abstract We present an algorithm for generating facial expressions for a continuum of pure and mixed emotions of varying intensity. Based on the observation that in natural interaction among humans,...
Johannes Günther, Mpi Informatik, Stefan Popov, Hans-peter Seidel, Mpi Informatik
render them at 6.1, 5.7, 2.9, and 1.9 fps, respectively, at a resolution of 1024×1024 with shading and shadows from a single point light source. Recent GPU ray tracers can already achieve...
AGE PROCESSING AND COMPUTER VISION]: Digitization (2009)
Michael Goesele, Xavier Granier, Wolfgang Heidrich, Hans-peter Seidel, Mpi Informatik
Figure 1: Stages of light source measurement and rendering (from left to right): a) photo of flashlight – b) flashlight in measurement setup – c) 2D reconstruction of the measured data in a...
(sketches 102) Interactive Ray Tracing of Point-based Models (2009)
Ingo Wald, Hans-peter Seidel, Mpi Informatik
d) A complex scene of 24 Iphigenias (24 million points) with phong shader and shadows ( ∼ 2 f ps@640×480 pixels). e) Iphigenia, displayed interactively with a (precomputed) global illumination...
Topological Visualization of Brain Diffusion MRI Data (2009)
Thomas Schultz, Holger Theisel, Hans-peter Seidel
Abstract—Topological methods give concise and expressive visual representations of flow fields. The present work suggests a comparable method for the visualization of human brain diffusion MRI...
Multifield-graphs: An approach to visualizing correlations in multifield scalar data (2009)
Natascha Sauber, Holger Theisel, Hans-peter Seidel
We present an approach to visualizing correlations in 3D multifield scalar data. The core of our approach is the computation of correlation fields, which are scalar fields containing the local...
Fast Incident Light Field Acquisition and Rendering ABSTRACT (2008)
Ivo Ihrke, Marcus Magnor, Timo Stich, Hans-peter Seidel, Heiko Gottschlich
We present a practical and inexpensive approach for the acquisition and rendering of static incident light fields. Incident light fields can be used for lighting virtual scenes or to insert virtual...
Computer Graphics Group, RWTH-Aachen (2008)
Leif P. Kobbelt, Mario Botsch, Ulrich Schwanecke, Hans-peter Seidel
Figure 1: We present a new technique to extract high quality triangle meshes from volume representations of geometric objects. The two main contributions are an enhanced distance field representation...
Topology Preserving Thinning of Vector Fields on Triangular Meshes (2008)
Holger Theisel, Christian Rössl, Hans-peter Seidel
Summary. We consider the topology of piecewise linear vector fields whose domain is a piecewise linear 2-manifold, i.e. a triangular mesh. Such vector fields can describe simulated 2-dimensional...
Er Belyaev, Michael Garl, Wolfram Funck, Holger Theisel, Hans-peter Seidel
We present an approach for elastic secondary deformations of shapes described as triangular meshes. The deformations are steered by the simulation of a low number of simple mass-spring sets. The...
ABSTRACT Rapid Animation of Laser-scanned Humans (2008)
Edilson Aguiar, Christian Theobalt, Carsten Stoll, Hans-peter Seidel
We present a simple and efficient approach to turn laser-scanned human geometry into a realistically moving virtual avatar. Instead of relying on the classical skeleton-based animation pipeline, our...
ABSTRACT Visualization with stylized line primitives (2008)
Carsten Stoll, Stefan Gumhold, Hans-peter Seidel, Max Planck
Figure 1: Several examples of objects and streamlines rendered with our algorithm. Line primitives are a very powerful visual attribute used for scientific visualization and in particular for 3D...
Spherical Harmonic Gradients for Mid-Range Illumination (2008)
H. W. Jensen, A. Keller (editors, Thomas Annen, Jan Kautz, Frédo Durand, Hans-peter Seidel, ...
Figure 1: From left to right. A hand model shaded using only one sample at the center. The middle image shows the same model shaded using one sample and the analytical gradient. The last image shows...
ABSTRACT Visualization with stylized line primitives (2008)
Carsten Stoll, Stefan Gumhold, Hans-peter Seidel, Max Planck
Figure 1: Several examples of objects and streamlines rendered with our algorithm. Line primitives are a very powerful visual attribute used for scientific visualization and in particular for 3D...
Leif P. Kobbelt, Jens Vorsatz, Ulf Labsik, Hans-peter Seidel
Due to their simplicity and flexibility, polygonal meshes are about to become the standard representation for surface geometry in computer graphics applications. Some algorithms in the context of...
Interactive Ray Tracing of Point-based Models (2008)
M. Pauly, M. Zwicker, Ingo Wald, Hans-peter Seidel
phong shader and shadows ( ∼ 2 f
Graphics and Realism—animation. (2008)
Kolja Kähler, Jörg Haber, Hitoshi Yamauchi, Hans-peter Seidel
a) b) c) d) e) Head models generated from a range scan of a five year old boy: a) scan data; b) adapted, animatable head structure; c) textured; d) age changed to one year, smiling expression; e) age...
Accuracy of 3D Range Scanners by Measurement of the Slanted Edge Modulation Transfer Function (2008)
Michael Goesele, Christian Fuchs, Hans-peter Seidel
We estimate the accuracy of a 3D range scanner in terms of its spatial frequency response. We determine a scanner’s modulation transfer function (MTF) in order to measure its frequency response. A...
OpenSG Symposium (2003) D. Reiners (Editor) Advanced Environment Mapping in VR Applications (2008)
Jan Kautz, Katja Daubert, Hans-peter Seidel
In this paper, we propose an approach for rendering diffuse and glossy reflections using environment maps. This approach is geared towards VR applications, where realism and fast rendering is...
Seed Points in PDE-Driven Interpolation (2008)
Holger Dell, Saarbrücken Juni, Verfasser Holger Dell, Erstgutachter Prof, Dr. Joachim Weickert, ...
Hiermit versichere ich an Eides statt, dass ich die vorliegende Arbeit selbstständig verfasst und keine anderen als die angegebenen Quellen und Hilfsmittel verwendet habe. Die Arbeit wurde bisher...
Abstract Efficient Iterative Solvers for Angle Based Flattening (2008)
Rhaleb Zayer, Christian Rössl, Hans-peter Seidel
In this paper, we derive an efficient approach for solving the optimization problem which arises in Angle Based Flattening. As the size of system matrix associated with the ABF blows up to a size...
Abstract One-sided Stability of MAT and Its Applications (2008)
Sung Woo Choi, Hans-peter Seidel
Although useful in many applications, the medial axis transform (MAT) has a few fit-falls, one of which is its extreme sensitivity to the boundary perturbation. In this paper, we first summarizes the...
Gregor Schlosser, Jürgen Hesser, Frank Zeilfelder, Christian Rössl, Reinhard Männer, Günther Nürnberger, ...
of shear-warp by using wavelet encoded data. The close-up views are taken from marked areas. Zooming close to the local regions of interest the improved visual quality becomes increasingly evident....
Meshless Modeling of Deformable Shapes and their Motion (2008)
Ovsjanikov, Maks, Wand, Michael, Seidel, Hans-Peter, Guibas, Leonidas
We present a new framework for interactive shape deformation modeling and key frame interpolation based on a meshless finite element formulation. Starting from a coarse nodal sampling of an...
Connectivity Transformation for Mesh Metamorphosis Abstract (2008)
R. Scopigno, D. Zorin, Minsu Ahn, Seungyong Lee, Hans-peter Seidel
In previous mesh morphing techniques, the vertex set and connectivity of an in-between mesh are fixed and only the vertex positions are interpolated between input meshes. With this restriction, to...
Precomputed Light Sets for Fast High Quality Global Illumination (2008)
Johannes Günther, Ingo Wald, Hans-peter Seidel
starting from the light sources, approximating global illumination. Then a set of Surface Sampling Points (SSPs, blue and red) is generated, each of them storing precomputed visibility information....
Hartmut Schirmacher, Wolfgang Heidrich, Hans-peter Seidel
Light fields and Lumigraphs are capable of rendering scenes of arbitrary geometrical or illumination complexity in real time. They are thus interesting ways of interacting with both recorded...
Stefan Popov, Johannes Günther, Hans-peter Seidel
ray tracer can render them at 18.7, 10.3, 8, and 19.6 fps, respectively, at a resolution of 512 × 512. We support ray traced shadows from point lights and soft shadows from area light sources (9...
Yaron Lipman, Olga Sorkine, Marc Alexa, Daniel Cohen-or, David Levin, Christian Rössl, ...
Communicated by (xxxxxxxxxx) Recent works in geometric modeling show the advantage of local differential coordinates in various surface processing applications. In this paper we review recent methods...
Nailing and Pinning: Adding Constraints to Inverse Kinematics (2008)
Mardé Greeff, Jörg Haber, Hans-peter Seidel
Inverse kinematics is commonly applied to compute the resulting movement of an avatar for a prescribed target pose. The motion path computed by inverse kinematics, however, often differs from the...
Layered Performance Animation with Correlation Maps Abstract (2008)
Michael Neff, Irene Albrecht, Hans-peter Seidel
Performance has a spontaneity and “aliveness ” that can be difficult to capture in more methodical animation processes such as keyframing. Access to performance animation has traditionally been...
Abstract Overfitting Control for Surface Reconstruction (2008)
Konrad Polthier, Alla Sheffer (editors, Yunjin Lee, Seungyong Lee, Ioannis Ivrissimtzis, Hans-peter Seidel
This paper proposes a general framework for overfitting control in surface reconstruction from noisy point data. The problem we deal with is how to create a model that will capture as much detail as...
Spherical Harmonic Gradients for Mid-Range Illumination (2008)
H. W. Jensen, A. Keller (editors, Thomas Annen, Jan Kautz, Frédo Durand, Hans-peter Seidel, ...
Figure 1: From left to right. A hand model shaded using only one sample at the center. The middle image shows the same model shaded using one sample and the analytical gradient. The last image shows...
Kuangyu Shi, Helwig Hauser, Holger Theisel, Hans-christian Hege, Tino Weinkauf, Hans-peter Seidel
This paper presents an approach to extracting the separation surfaces from periodic 2D time-dependent vector fields based on a recently introduced path line oriented topology. This topology is based...
A Silhouette Based Human Motion Tracking System (2008)
Bodo Rosenhahn, Uwe G. Kersting, Lei He, Andrew W. Smith, Thomas Brox, Reinhard Klette, ...
This paper proposes a system for model based human motion estimation. We start with a human model generation system, which uses a set of input images to automatically generate a free-form surface...
The Visual Computer manuscript No. (will be inserted by the editor) (2008)
Hitoshi Yamauchi, Stefan Gumhold, Rhaleb Zayer, Hans-peter Seidel
Abstract Mesh parameterization is a fundamental problem in computer graphics as it allows for texture mapping and facilitates a lot of mesh processing tasks. Although there exists a variety of good...
Robust Variational Reconstruction from Multiple Views (2008)
Natalia Slesareva, Thomas Bühler, Kai Uwe Hagenburg, Joachim Weickert, Andrés Bruhn, Zachi Karni, ...
Abstract. Recovering a 3-D scene from multiple 2-D views is indispensable for many computer vision applications ranging from free viewpoint video to face recognition. Ideally the recovered depth map...
Volumetric Density Capture From a Single Image (2008)
T. Möller, R. Machiraju, T. Ertl, M. Chen (editors, Christian Fuchs, Tongbo Chen, ...
We propose a new approach to capture the volumetric density of scattering media instantaneously with a single image. The volume is probed with a set of laser lines and the scattered intensity is...
Free-form Skeleton-driven Mesh Deformations (2008)
Shin Yoshizawa Alex, Er G. Belyaev, Hans-peter Seidel
Figure 1: A skeleton-driven mesh deformation. (a) A dragon model (100K triangles), its skeletal mesh (6K triangles), and control points used to produce a global deformation of the skeletal mesh. (b)...
Marker-less Deformable Mesh Tracking for Human Shape and Motion Capture (2008)
Edilson De Aguiar, Christian Theobalt, Carsten Stoll, Hans-peter Seidel
We present a novel algorithm to jointly capture the motion and the dynamic shape of humans from multiple video streams without using optical markers. Instead of relying on kinematic skeletons, as...
Efficient Acquisition and Realistic Rendering of Car Paint (2008)
Johannes Günther, Tongbo Chen, Michael Goesele, Ingo Wald, Hans-peter Seidel
Figure 1: Different views of a “VW New Beetle ” car rendered with a measured and fitted “Polaris Silber” car paint, lighted from Paul Debevec’s HDR environment map of the Uffizi Gallery in...
Eurographics / IEEE-VGTC Symposium on Visualization (2007) (2008)
Ken Museth, Torsten Möller, Anders Ynnerman (editors, Thomas Schultz, Holger Theisel, Hans-peter Seidel
While isosurfaces of anisotropy measures for data from diffusion tensor magnetic resonance imaging (DT-MRI) are known to depict major anatomical structures, the anisotropy metric reduces the rich...
Towards PDE-Based Image Compression (2008)
Irena Galić, Joachim Weickert, Martin Welk, Andrés Bruhn, Er Belyaev, Hans-peter Seidel
Abstract. While methods based on partial differential equations (PDEs) and variational techniques are powerful tools for denoising and inpainting digital images, their use for image compression was...
Robust Pose Estimation with 3D Textured Models (2008)
Juergen Gall, Bodo Rosenhahn, Hans-peter Seidel
Abstract. Estimating the pose of a rigid body means to determine the rigid body motion in the 3D space from 2D images. For this purpose, it is reasonable to make use of existing knowledge of the...
Kuangyu Shi, Holger Theisel, Hans-christian Hege, Hans-peter Seidel
We describe an approach to visually analyzing the dynamic behavior of 3D time-dependent flow fields by considering the behavior of the path lines. At selected positions in the 4D space-time domain,...
Kuangyu Shi, Holger Theisel, Hans-christian Hege, Hans-peter Seidel
We describe an approach to visually analyzing the dynamic behavior of 3D time-dependent flow fields by considering the behavior of the path lines. At selected positions in the 4D space-time domain,...
(Guest Editors) Planned Sampling of Spatially Varying BRDFs (2008)
Jochen Lang, Asla M. Sá, Hans-peter Seidel
Measuring reflection properties of a 3D object involves capturing images for numerous viewing and lighting directions. We present a method to select advantageous measurement directions based on...
Thomas Brox, Bodo Rosenhahn, Daniel Cremers, Hans-peter Seidel
Abstract. In this paper, we suggest to model priors on human motion by means of nonparametric kernel densities. Kernel densities avoid assumptions on the shape of the underlying distribution and let...
Topological Visualization of Brain Diffusion MRI Data (2008)
Thomas Schultz, Holger Theisel, Hans-peter Seidel
Abstract—Topological methods give concise and expressive visual representations of flow fields. The present work suggests a comparable method for the visualization of human brain diffusion MRI...
Online Smoothing for Markerless Motion Capture ⋆ (2008)
Bodo Rosenhahn, Thomas Brox, Daniel Cremers, Hans-peter Seidel
Abstract. Tracking 3D objects from 2D image data often leads to jittery tracking results. In general, unsmooth motion is a sign of tracking errors, which, in the worst case, can cause the tracker to...
Rapid Animation of Laser-scanned Humans (2008)
Edilson Aguiar, Christian Theobalt, Carsten Stoll, Hans-peter Seidel
We present a simple and efficient approach to turn laser-scanned human geometry into a realistically moving virtual avatar. Instead of relying on the classical skeleton-based animation pipeline, our...
M. Pauly, M. Zwicker, Oliver Schall, Alexander Belyaev, Hans-peter Seidel
In this paper, we develop a method for robust filtering of a noisy set of points sampled from a smooth surface. The main idea of the method consists of using a kernel density estimation technique for...
Character Animation from a Motion Capture Database (2008)
Saarbrücken Germany, Edilson De Aguiar, Supervisors Dipl, Inf Christian Theobalt, Prof Dr, Hans-peter Seidel, ...
ii
Volume xx (200y), Number z, pp. 1–11 Abstract Interactive Rendering of Translucent Objects (2008)
Hendrik P. A, Lensch Michael, Bekaert Jan Kautz, Marcus A. Magnor, Jochen Lang, Hans-peter Seidel
This paper presents a rendering method for translucent objects, in which view point and illumination can be modified at interactive rates. In a preprocessing step, the impulse response to incoming...
Validation of Color Managed 3D Appearance Acquisition (2008)
Michael Goesele, Hans-peter Seidel
Image-based appearance acquisition algorithms are able to generate realistic 3D models of real objects but have previously not taken care of calibrated color space. We integrate a color managed...
(Guest Editors) Exchanging Faces in Images (2008)
Volker Blanz, Kristina Scherbaum, Thomas Vetter, Hans-peter Seidel
Pasting somebody’s face into an existing image with traditional photo retouching and digital image processing tools has only been possible if both images show the face from the same viewpoint and...
Setting the Boundary Free: A Composite Approach to Surface Parameterization (2008)
M. Desbrun, H. Pottmann (editors, Rhaleb Zayer, Christian Rössl, Hans-peter Seidel
Figure 1: Boundary-free parameterization of a human model (66K△). From left: surface mesh with cut highlighed, initial discrete conformal map, boundary-free conformal map, and boundary-free...
Spatio-temporal Reflectance Sharing for Relightable 3D Video (2008)
Naveed Ahmed, Christian Theobalt, Hans-peter Seidel
Abstract. In our previous work [21], we have shown that by means of a model-based approach, relightable free-viewpoint videos of human actors can be reconstructed from only a handful of multi-view...
Implicit Boundary Control of Vector Field Based Shape Deformations (2008)
Wolfram Von Funck, Holger Theisel, Hans-peter Seidel
Abstract. We present a shape deformation approach which preserves volume, prevents self-intersections and allows for exact control of the deformation impact. Volume preservation and prevention of...
Martin Fuchs, Volker Blanz, Hans-peter Seidel
Synthesizing images for intermediate light directions
Martin Fuchs, Volker Blanz, Hans-peter Seidel
Synthesizing images for intermediate light directions
Abstract Dynamic Surface Reconstruction from 4D-MR Images (2008)
Matthias Fenchel, Stefan Gumhold, Hans-peter Seidel
In this work we present a new analysis technique for dynamic 3D images. The method allows the reconstruction of dynamic surfaces describing object boundaries in the 3D images over time. The only...
Computer Graphics Group, RWTH-Aachen (2008)
Leif P. Kobbelt, Mario Botsch, Ulrich Schwanecke, Hans-peter Seidel
Figure 1: We present a new technique to extract high quality triangle meshes from volume representations of geometric objects. The two main contributions are an enhanced distance field representation...
through Histogram Pyramids (2008)
Gernot Ziegler, Art Tevs, Christian Theobalt, Hans-peter Seidel
Image Pyramids, as created during a reduction process of 2D image maps, are frequently used in porting non-local algorithms to graphics hardware. A Histogram pyramid (short: HistoPyramid), a special...
Wolfgang Heidrich, Hartmut Schirmacher, Hendrik Kück, Hans-peter Seidel
Light fields and Lumigraphs have recently received a lot of attention in the computer graphics community, since they allow to render scenes from a database of images very efficiently. While warping...
Christian Theobalt, Joel Carranza, (2008)
Marcus A. Magnor, Hans-peter Seidel, Mpi Informatik
In recent years, a convergence between the fields of computer graphics and computer vision has been observed [1]. This convergence has been motivated by the idea to create photorealistic...
Jan Kautz Real-Time Bump Map Synthesis (2008)
Wolfgang Heidrich, Hans-peter Seidel
Figure 1: Bump mapped sphere at different levels of detail consistently generated and shaded with the normal distribution shown on the left. In this paper we present a method that automatically...
Mingli Song, Zhao Dong, Student Member, Christian Theobalt, Huiqiong Wang, Zicheng Liu, ...
Abstract — Facial expression analogy provides computer animation professionals with a tool to map expressions of an arbitrary source face onto an arbitrary target face. In the recent past, several...
Learning for Multi-View 3D Tracking in the Context of Particle Filters (2008)
Juergen Gall, Bodo Rosenhahn, Thomas Brox, Hans-peter Seidel
Abstract. In this paper we present an approach to use prior knowledge in the particle filter framework for 3D tracking, i.e. estimating the state parameters such as joint angles of a 3D object. The...
Wolfgang Heidrich, Hartmut Schirmacher, Hendrik Kück, Hans-peter Seidel
Light fields and Lumigraphs have recently received a lot of attention in the computer graphics community, since they allow to render scenes from a database of images very efficiently. While warping...
3D Reconstruction of Emission and Absorption in Planetary Nebulae (2008)
H. C. Hege, R. Machiraju (editors, Marcus Magnor, Sascha El-abed, Hans-peter Seidel
This paper addresses the problem of reconstructing the 3D structure of planetary nebulae from 2D observations. Assuming axial symmetry, our method jointly reconstructs the distribution of dust and...
Abstract 3D Reconstruction of Reflection Nebulae from a Single Image (2008)
Lars Hoffmann, Marcus Magnor, Hans-peter Seidel
This paper presents a method for reconstructing the 3D distribution of dust densities in reflection nebulae based on a single input image using an analysisby-synthesis approach. In a reflection...
HIGH DYNAMIC RANGE IMAGE AND VIDEO COMPRESSION- FIDELITY MATCHING HUMAN VISUAL PERFORMANCE (2008)
Rafał Mantiuk, Grzegorz Krawczyk, Karol Myszkowski, Hans-peter Seidel
Vast majority of digital images and video material stored today can capture only a fraction of visual information visible to the human eye and does not offer sufficient quality to fully exploit...
Graphics and Realism—animation. (2008)
Kolja Kähler, Jörg Haber, Hitoshi Yamauchi, Hans-peter Seidel
a) b) c) d) e) Head models generated from a range scan of a five year old boy: a) scan data; b) adapted, animatable head structure; c) textured; d) age changed to one year, smiling expression; e) age...
Abstract Geometry Prediction for High Degree Polygons (2008)
Martin Isenburg, Ioannis Ivrissimtzis, Stefan Gumhold, Hans-peter Seidel
The parallelogram rule is a simple, yet effective scheme to predict the position of a vertex from a neighboring triangle. It was introduced by Touma and Gotsman [1998] to compress the vertex...
3D Image Analysis and Synthesis at MPI Informatik (2008)
E. Trucco, M. Chantler (editors, Christian Theobalt, Marcus A. Magnor, Hans-peter Seidel
In the talk, we give a brief overview of the research done in the Computer Graphics Group and the Graphics-Optics-Vision Group of the Max-Planck-Institut für Informatik in the area of 3D Image...
Irene Albrecht, Marc Schröder, Jörg Haber, Hans-peter Seidel
Abstract We present an algorithm for generating facial expressions for a continuum of pure and mixed emotions of varying intensity. Based on the observation that in natural interaction among humans,...
Video-based Capturing and Rendering of People (2008)
Christian Theobalt, Marcus Magnor, Hans-peter Seidel
Abstract. The interesting combination of Chapters in this book gives a nice overview of the importance of the analysis of human motion in three different scientific disciplines, computer vision,...
Abstract Free-Viewpoint Video of Human Actors (2008)
Joel Carranza, Christian Theobalt, Marcus A. Magnor, Hans-peter Seidel
In free-viewpoint video, the viewer can interactively choose his viewpoint in 3-D space to observe the action of a dynamic realworld scene from arbitrary perspectives. The human body and its motion...
Analysis of reproducing real-world appearance on displays of varying dynamic range (2008)
Akiko Yoshida, Rafał Mantiuk, Karol Myszkowski, Hans-peter Seidel
We conduct a series of experiments to investigate the desired properties of a tone mapping operator (TMO) and to design such an operator based on subjective data. We propose a novel approach to the...
Ming Li, Hartmut Schirmacher, Marcus Magnor, Hans-peter Seidel
Abstract—In this paper, we present a novel system which combines depth-from-stereo and visual hull reconstruction for acquiring dynamic real-world scenes at interactive rates. First, we use the...
ABSTRACT Marker-free Kinematic Skeleton Estimation from Sequences of Volume Data (2008)
Christian Theobalt, Edilson De Aguiar, Marcus A. Magnor, Holger Theisel, Hans-peter Seidel
For realistic animation of an artificial character a body model that represents the character’s kinematic structure is required. Hierarchical skeleton models are widely used which represent bodies...
SPATIO-TEMPORAL REGISTRATION TECHNIQUES FOR RELIGHTABLE 3D VIDEO (2008)
Naveed Ahmed, Christian Theobalt, Marcus Magnor, Hans-peter Seidel
By jointly applying a model-based marker-less motion capture approach and multi-view texture generation 3D Videos of human actors can be reconstructed from multi-view video streams. If the input data...
VIDEO-DRIVEN ANIMATION OF HUMAN BODY SCANS (2008)
Edilson De Aguiar, Rhaleb Zayer, Christian Theobalt, Marcus Magnor, Hans-peter Seidel
We present a versatile, fast and simple framework to generate animations of scanned human characters from input multiview video sequences. Our method is purely mesh-based and requires only a minimum...
Ivo Ihrke, Gernot Ziegler, Art Tevs, Christian Theobalt, Marcus Magnor, Hans-peter Seidel
Figure 1: Real-time renderings of complex refractive objects – (left) glass with red wine casting a colorful caustic, 24.8 fps. (middle) Amberlike bunny with black embeddings showing anisotropic...
Interactive Global Illumination Using Selective Photon Tracing (2008)
S. Gibson (editors, Kirill Dmitriev, Stefan Brabec, Karol Myszkowski, Hans-peter Seidel
We present a method for interactive global illumination computation which is embedded in the framework of Quasi-Monte Carlo photon tracing and density estimation techniques. The method exploits...
2 Interactive Rendering of Translucent Objects (2008)
Hendrik P. A, Lensch Michael, Bekaert Jan Kautz, Marcus A. Magnor, Jochen Lang, Hans-peter Seidel, ...
This paper presents a rendering method for translucent objects, in which view point and illumination can be modified at interactive rates. In a preprocessing step the impulse response to incoming...
He 2-320 Infrared Image (2008)
Andrei Linńu, Marcus Magnor, Ting-hui Lee, Sascha El-abed, Hans-peter Seidel, ...
This work addresses the problem of reconstructing the 3D structure of planetary nebulae from 2D observations. Assuming axial symmetry, our method jointly reconstructs the distribution of dust and...
Tom Mertens, Jan Kautz, Hans-peter Seidel, Frank Van Reeth
Realistic rendering of materials such as milk, fruits, wax, marble, and so on, requires the simulation of subsurface scattering of light. This paper presents an algorithm for plausible reproduction...
Ray Maps for Global Illumination (2008)
Kavita Bala, Philip Dutré (editors, Vlastimil Havran, Robert Herzog, Hans-peter Seidel
This is an electronic version of an article published
Predicting Visible Differences in High Dynamic Range Images - Model and its Calibration (2008)
Rafal Mantiuk, Rafa̷l Mantiuk A, Scott Daly, Karol Myszkowski, Hans-Peter Seidel
New imaging and rendering systems commonly use physically accurate lighting information in the form of high-dynamic range (HDR) images and video. HDR images contain actual colorimetric or physical...
3D Scattered Data Approximation with Adaptive Compactly Supported Radial Basis Functions (2008)
Yutaka Ohtake, Alexander Belyaev, Hans-Peter Seidel
In this paper, we develop an adaptive RBF fitting procedure for a high quality approximation of a set of points scattered over a piecewise smooth surface. We use compactly supported RBFs whose...
Feature-preserving Denoising of Time-varying Range Data (2008)
Oliver Schall Alexander, Alexander Belyaev, Hans-peter Seidel
Introduction We present a technique for accurate denoising of time-varying range data. It is inspired by the idea of similarity-based non-local image filtering [Buades et al. 2005] and...
Fast Final Gathering via Reverse Photon Mapping (2008)
For Any Further, Eurographics J. Marks, M. Alexa, Vlastimil Havran, Robert Herzog, Hans-peter Seidel
We present a new algorithm for computing indirect illumination based on density estimation similarly to photon mapping. We accelerate the search for final gathering by reorganizing the computation in...
M³: Marker-free Model Reconstruction and Motion Tracking from 3D Voxel Data (2008)
Edilson De Aguiar, Christian Theobalt, Marcus Magnor, Holger Theisel, Hans-peter Seidel
In computer animation, human motion capture from video is a widely used technique to acquire motion parameters. The acquisition process typically requires an intrusion into the scene in the form of...
Meshless Modeling of Deformable Shapes and their Motion (2008)
Adams, Bart, Ovsjanikov, Maksim, Wand, Michael, Seidel, Hans-Peter, Guibas, Leonidas
Ahmed, Naveed, Theobalt, Christian, Dobrev, Petar, Seidel, Hans-Peter, Thrun, Sebastian
We present a new passive approach to capture time-varying scene geometry in large acquisition volumes from multi-view video. It can be applied to reconstruct complete moving models of human actors...
Dense Correspondence Finding for Parametrization-free Animation Reconstruction from Video (2008)
Ahmed, Naveed, Theobalt, Christian, Rössl, Christian, Thrun, Sebastian, Seidel, Hans-Peter
We present a dense 3D correspondence finding method that enables spatio-temporally coherent reconstruction of surface animations from multi-view video data. Given as input a sequence of...
Demosaicing by Smoothing along 1D Features (2008)
Ajdin, Boris, Hullin, Matthias B., Fuchs, Christian, Seidel, Hans-Peter, Lensch, Hendrik P. A.
Most digital cameras capture color pictures in the form of an image mosaic, recording only one color channel at each pixel position. Therefore, an interpolation algorithm needs to be applied to...
Real-Time, All-Frequency Shadows in Dynamic Scenes (2008)
Annen, Thomas, Dong, Zhao, Mertens, Tom, Bekaert, Philippe, Seidel, Hans-Peter, Kautz, Jan
Exponential Shadow Maps (2008)
Annen, Thomas, Mertens, Tom, Seidel, Hans-Peter, Flerackers, Eddy, Kautz, Jan
Time-resolved 3D Capture of Non-stationary Gas Flows (2008)
Atcheson, Bradley, Ihrke, Ivo, Heidrich, Wolfgang, Tevs, Art, Bradley, Derek, Magnor, Marcus, ...
Fluid simulation is one of the most active research areas in computer graphics. However, it remains difficult to obtain measurements of real fluid flows for validation of the simulated data. In this...
Dynamic Range Independent Image Quality Assessment (2008)
Aydin, Tunc Ozan, Mantiuk, Rafał, Myszkowski, Karol, Seidel, Hans-Peter
The diversity of display technologies and introduction of high dynamic range imagery introduces the necessity of comparing images of radically different dynamic ranges. Current quality assessment...
Extending Quality Metrics to Full Luminance Range Images (2008)
Aydin, Tunc Ozan, Mantiuk, Rafał, Seidel, Hans-Peter
Many quality metrics take as input gamma corrected images and assume that pixel code values are scaled perceptually uniform. Although this is a valid assumption for darker displays operating in the...
Baak, Andreas, Müller, Meinard, Seidel, Hans-Peter
In the last years, various algorithms have been proposed for automatic classification and retrieval of motion capture data. Here, one main difficulty is due to the fact that similar types of motions...
A Graph-Based Approach to Symmetry Detection (2008)
Berner, Alexander, Bokeloh, Martin, Wand, Michael, Schilling, Andreas, Seidel, Hans-Peter
Performance Capture from Sparse Multi-View Video (2008)
De Aguiar, Edilson, Theobalt, Christian, Stoll, Carsten, Ahmed, Naveed, Seidel, Hans-Peter, Thrun, Sebastian
This paper proposes a new marker-less approach to capturing human performances from multi-view video. Our algorithm can jointly reconstruct spatio-temporally coherent geometry, motion and textural...
Automatic Conversion of Mesh Animations into Skeleton-based Animations (2008)
De Aguiar, Edilson, Theobalt, Christian, Thrun, Sebastian, Seidel, Hans-Peter
Enhancement of Bright Video Features for HDR Displays (2008)
Didyk, Piotr, Mantiuk, Rafał, Hein, Matthias, Seidel, Hans-Peter
To utilize the full potential of new high dynamic range (HDR) displays, a system for the enhancement of bright luminous objects in video sequences is proposed. The system classifies clipped...
Combining Confocal Imaging and Descattering (2008)
Fuchs, Christian, Heinz, Michael, Seidel, Hans-Peter, Lensch, Hendrik P. A.
Towards Passive 6D Reflectance Field Displays (2008)
Fuchs, Martin, Raskar, Ramesh, Seidel, Hans-Peter, Lensch, Hendrik P. A.
Traditional flat screen displays present 2D images. 3D and 4D displays have been proposed making use of lenslet arrays to shape a fixed outgoing light field for horizontal or bidirectional parallax....
Image Compression with Anisotropic Diffusion (2008)
Gali´c, Irene, Weickert, Joachim, Welk, Martin, Bruhn, Andrés, Belyaev, Alexander, Seidel, Hans-Peter
Model-Based Motion Capture for Crash Test Video Analysis (2008)
Gall, Jürgen, Rosenhahn, Bodo, Gehrig, Stefan, Seidel, Hans-Peter
In this work, we propose a model-based approach for estimating the 3D position and orientation of a dummy's head for crash test video analysis. Instead of relying on photogrammetric markers which...
Drift-free Tracking of Rigid and Articulated Objects (2008)
Gall, Jürgen, Rosenhahn, Bodo, Seidel, Hans-Peter
Model-based 3D tracker estimate the position, rotation, and joint angles of a given model from video data of one or multiple cameras. They often rely on image features that are tracked over time but...
An Introduction to Interacting Simulated Annealing (2008)
Gall, Jürgen, Rosenhahn, Bodo, Seidel, Hans-Peter
Human motion capturing can be regarded as an optimization problem where one searches for the pose that minimizes a previously defined error function based on some image features. Most approaches for...
Granados Velásquez, Miguel Andrés, Seidel, Hans-Peter, Lensch, Hendrik P. A.
We address the problem of reconstructing the background of a scene from a set of photographs featuring several occluding objects. We assume that the photographs are obtained from the same viewpoint...
Combined registration methods for pose estimation (2008)
Han, Dong, Rosenhahn, Bodo, Gehrig, Stefan, Seidel, Hans-Peter
Render2MPEG: A Perception-based Framework Towards Integrating Rendering and Video Compression (2008)
Herzog, Robert, Kinuwaki, Shinichi, Myszkowski, Karol, Seidel, Hans-Peter
Currently 3D animation rendering and video compression are completely independent processes even if rendered frames are streamed on-the-fly within a client-server platform. In such scenario, which...
Direct Visualization of Real-World Light Transport (2008)
Hullin, Matthias B., Fuchs, Martin, Ihrke, Ivo, Ajdin, Boris, Seidel, Hans-Peter, Lensch, Hendrik P. A.
Light transport in complex scenes with possibly intricate optical properties is difficult to grasp intuitively. The study of light transport has so far mainly been conducted by indirect observations....
Fluorescent Immersion Range Scanning (2008)
Hullin, Matthias B., Fuchs, Martin, Ihrke, Ivo, Seidel, Hans-Peter, Lensch, Hendrik P. A.
The quality of a 3D range scan should not depend on the surface properties of the object. Most active range scanning techniques, however, assume a diffuse reflector to allow for a robust detection...
Langer, Torsten, Belyaev, Alexander, Seidel, Hans-Peter
Bernstein polynomials are a classical tool in Computer Aided Design to create smooth maps with a high degree of local control. They are used for the construction of B\'ezier surfaces, free-form...
Higher Order Barycentric Coordinates (2008)
Langer, Torsten, Seidel, Hans-Peter
In recent years, a wide range of generalized barycentric coordinates has been suggested. However, all of them lack control over derivatives. We show how the notion of barycentric coordinates can be...
Lintu, Andrei, Lensch, Hendrik P. A., Magnor, Marcus, Lee, Ting-Hui, El-Abed, Sascha, Seidel, Hans-Peter
Modeling a Generic Tone-mapping Operator (2008)
Mantiuk, Rafał, Seidel, Hans-Peter
Although several new tone-mapping operators are proposed each year, there is no reliable method to validate their performance or to tell how different they are from one another. In order to analyze...
Gesture Modeling and Animation Based on a Probabilistic Recreation of Speaker Style (2008)
Neff, Michael, Kipp, Michael, Albrecht, Irene, Seidel, Hans-Peter
Interactive Global Illumination Based on Coherent Surface Shadow Maps (2008)
Ritschel, Tobias, Grosch, Thorsten, Kautz, Jan, Seidel, Hans-Peter
Imperfect Shadow Maps for Efficient Computation of Indirect Illumination (2008)
Ritschel, Tobias, Grosch, Thorsten, Kim, Min H., Seidel, Hans-Peter, Dachsbacher, Carsten, Kautz, Jan
3D Unsharp Masking for Scene Coherent Enhancement (2008)
Ritschel, Tobias, Smith, Kaleigh, Ihrke, Matthias, Grosch, Thorsten, Myszkowski, Karol, Seidel, Hans-Peter
Modeling and tracking line-contrained mechanical systems (2008)
Rosenhahn, Bodo, Brox, Thomas, Cremers, Daniel, Seidel, Hans-Peter
Tracking Clothed People (2008)
Rosenhahn, Bodo, Kersting, Uwe, Powell, Katie, Brox, Thomas, Seidel, Hans-Peter
Staying well grounded in markerless motion capture (2008)
Rosenhahn, Bodo, Schmaltz, Christian, Brox, Thomas, Weickert, Joachim, Seidel, Hans-Peter
Controlled field generation for quad-remeshing (2008)
Schall, Oliver, Zayer, Rhaleb, Seidel, Hans-Peter
Quadrangular remeshing of triangulated surfaces has received an increasing attention in recent years. A particularly elegant approach is the extraction of quads from the streamlines of a harmonic...
Virtual Klingler Dissection: Putting Fibers into Context (2008)
Schultz, Thomas, Sauber, Natascha, Anwander, Alfred, Theisel, Holger, Seidel, Hans-Peter
Fiber tracking is a standard tool to estimate the course of major white matter tracts from diffusion tensor magnetic resonance imaging (DT-MRI) data. In this work, we aim at supporting the visual...
Estimating Crossing Fibers: A Tensor Decomposition Approach (2008)
Schultz, Thomas, Seidel, Hans-Peter
Diffusion weighted magnetic resonance imaging is a unique tool for non-invasive investigation of major nerve fiber tracts. Since the popular diffusion tensor (DT-MRI) model is limited to voxels with...
Using Eigenvalue Derivatives for Edge Detection in DT-MRI Data (2008)
Schultz, Thomas, Seidel, Hans-Peter
This paper introduces eigenvalue derivatives as a fundamental tool to discern the different types of edges present in matrix-valued images. It reviews basic results from perturbation theory, which...
Finite-Time Transport Structures of Flow Fields (2008)
Shi, Kuangyu, Theisel, Holger, Weinkauf, Tino, Hege, Hans-Christian, Seidel, Hans-Peter
Maximum Mipmaps for Fast, Accurate, and Scalable Dynamic Height Field Rendering (2008)
Tevs, Art, Ihrke, Ivo, Seidel, Hans-Peter
This paper presents a GPU-based, fast, and accurate dynamic height field rendering technique that scales well to large scale height fields. Current real-time rendering algorithms for dynamic height...
Reconstructing Human Shape, Motion and Appearance from Multi-view Video (2008)
Theobalt, Christian, De Aguiar, Edilson, Magnor, Marcus, Seidel, Hans-Peter
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Merging of Feature Tracks for Camera Motion Estimation from Video (2008)
Thormählen, Thorsten, Hasler, Nils, Wand, Michael, Seidel, Hans-Peter
Processing and Interactive Editing of Huge Point Clouds from 3D Scanners (2008)
Wand, Michael, Berner, Alexander, Bokeloh, Martin, Jenke, Philipp, Fleck, Arno, Hoffmann, Mark, ...
Brightness of the Glare Illusion (2008)
Yoshida, Akiko, Ihrke, Matthias, Mantiuk, Rafał, Seidel, Hans-Peter
Perception-Based Contrast Enhancement Model for Complex Images in High Dynamic Range (2008)
Yoshida, Akiko, Krawczyk, Grzegorz, Myszkowski, Karol, Seidel, Hans-Peter
Fast, Robust, and Faithful Methods for Detecting Crest Lines on Meshes (2008)
Yoshizawa, Shin, Belyaev, Alexander, Yokota, Hideo, Seidel, Hans-Peter
The crest lines, salient subsets of the extrema of the principal curvatures over their corresponding curvature lines, are powerful shape descriptors which are widely used for shape matching,...
High-speed Marching Cubes using HistoPyramids (2008)
Ziegler, Gernot, Theobalt, Christian, Seidel, Hans-Peter
We present an implementation approach for Marching Cubes (MC) on graphics hardware for OpenGL 2.0 or comparable graphics APIs. It currently outperforms all other known graphics processing units...
07171 Summary -- Visual Computing -- Convergence of Computer Graphics and Computer Vision (2008)
Gross, Markus, Müller, Heinrich, Seidel, Hans-Peter, Shum, Harry
Due to the importance of visual information for humans, visual computing is at the very core of the technologies enabling the modern information society. New and emerging technologies such as...
Gross, Markus, Müller, Heinrich, Seidel, Hans-Peter, Shum, Harry
From 22.04. to 27.04.2007, the Dagstuhl Seminar 07171 ``Visual Computing - Convergence of Computer Graphics and Computer Vision'' was held in the International Conference and Research Center (IBFI),...
Swen Campagna, Hans-peter Seidel
Parametric surfaces are a powerful and popular modeling tool in computer graphics and computer aided design, while ray tracing is a versatile and very popular rendering technique. As a result, there...
Hartmut Schirmacher, Wolfgang Heidrich, Hans-peter Seidel, Im Stadtwald
Light fields and Lumigraphs are capable of rendering scenes of arbitrary geometrical or illumination complexity in real time. They are thus interesting ways of interacting with both recorded...
Building a Photo Studio for Measurement Purposes Abstract (2007)
Michael Goesele, Wolfgang Heidrich, Hans-peter Seidel
A digital photo studio was built to generate high quality real world input data for various imagebased rendering and vision algorithms. Special attention was paid to carefully control the lighting...
Hartmut Schirmacher, Wolfgang Heidrich, Hans-peter Seidel, Im Stadtwald
Light fields and Lumigraphs are capable of rendering scenes of arbitrary geometrical or illumination complexity in real time. They are thus interesting ways of interacting with both recorded...
Abstract Automated Texture Registration and Stitching for Real World Models (2007)
Wolfgang Heidrich, Hans-peter Seidel
In this paper a system is presented which automatically registers and stitches textures acquired from multiple photographic images onto the surface of a given corresponding 3D model. Within this...
Extraction of Feature Lines on Triangulated Surfaces Using Morphological Operators (2007)
Christian Rössl, Christian R Ossl, Leif Kobbelt, Hans-peter Seidel, Im Stadtwald
Triangle meshes are a popular representation of surfaces in computer graphics. Our aim is to detect feature on such surfaces. Feature regions distinguish themselves by high curvature. We are using...
Interactive Rendering of Translucent Objects (2007)
Hendrik P. A, Lensch Michael, Bekaert Jan Kautz, Marcus A. Magnor, Jochen Lang, Hans-peter Seidel
This paper presents a rendering method for translucent objects, in which view point and illumination can be modified at interactive rates. In a preprocessing step the impulse response to incoming...
Construction and Animation of Anatomically Based (2007)
D. Breen, M. Lin (editors, Human Hand Models, Irene Albrecht, Jörg Haber, Hans-peter Seidel
a) b) c) d) Construction and animation of the reference hand model: a) plaster cast of a human hand ready for 3D scanning; b) assembly of skin mesh and individual bone meshes; c) and d) skin tissue...
Vlastimil Havran, Cyrille Damez, Karol Myszkowski, Hans-peter Seidel
Producing high quality animations featuring rich object appearance and compelling lighting effects is very time consuming using traditional frame-by-frame rendering systems. In this paper we present...
Jörg Haber, Frank Zeilfelder, Hans-peter Seidel
We present an efficient method to automatically compute a smooth approximation of large functional scattered data sets given over arbitrarily shaped planar domains. Our approach is based on the...
H.-P.: Shadow volumes on programmable graphics hardware (2007)
Stefan Brabec, Hans-peter Seidel
One of the best choices for fast, high quality shadows is the shadow volume algorithm. However, for real time applications the extraction of silhouette edges can significantly burden the CPU,...
AGE PROCESSING AND COMPUTER VISION]: Digitization (2007)
Michael Goesele, Xavier Granier, Wolfgang Heidrich, Hans-peter Seidel, Mpi Informatik
Figure 1: Stages of light source measurement and rendering (from left to right): a) photo of flashlight – b) flashlight in measurement setup – c) 2D reconstruction of the measured data in a...
Building a Photo Studio for Measurement Purposes Abstract (2007)
Michael Goesele, Wolfgang Heidrich, Hans-peter Seidel
A digital photo studio was built to generate high quality real world input data for various imagebased rendering and vision algorithms. Special attention was paid to carefully control the lighting...
A Framework for the Acquisition, Processing and Interactive Display of High Quality 3D Models (2007)
Michael Goesele, Hans-peter Seidel
This tutorial highlights some recent results on the acquisition and interactive display of high quality 3D models. For further use in photorealistic rendering or object recognition, a high quality...
Abstract Interactive Global Illumination Using Selective Photon Tracing (2007)
P. Debevec, S. Gibson (editors, Kirill Dmitriev, Stefan Brabec, Karol Myszkowski, Hans-peter Seidel
We present a method for interactive global illumination computation which is embedded in the framework of Quasi-Monte Carlo photon tracing and density estimation techniques. The method exploits...
1 Combining Stereo and Visual Hull for On-line Reconstruction of Dynamic Scenes (2007)
Ming Li, Hartmut Schirmacher, Hans-peter Seidel
Abstract---In this paper, we present a novel system which combines depth from stereo and visual hull reconstruction for acquiring dynamic real-world scenes at interactive rates. First, we use the...
Hartmut Schirmacher, Christian Vogelgsang, Hans-peter Seidel, Gunther Greiner
We show a simple and efficient way for rendering arbitrary views from so-called free-form light fields, employing a convex free form camera surface and a set of arbitrarily oriented camera planes....
Abstract Interactive Multi-Resolution Modeling on Arbitrary Meshes (2007)
Leif Kobbelt, Swen Campagna, Jens Vorsatz, Hans-peter Seidel
During the last years the concept of multi-resolution modeling has gained special attention in many fields of computer graphics and geometric modeling. In this paper we generalize powerful...
Density Estimation on Delaunay Triangulations (2007)
Leif P. Kobbelt, Marc F. Stamminger, Hans-peter Seidel
Density Estimation is a very popular method to compute global illumination solutions in a complex virtual scene. After simulating the reflection paths of a large number of photons in the scene, the...
Computer Graphics Group, RWTH-Aachen (2007)
Leif P. Kobbelt, Mario Botsch, Ulrich Schwanecke, Hans-peter Seidel
Figure 1: We present a new technique to extract high quality triangle meshes from volume representations of geometric objects. The two main contributions are an enhanced distance field representation...
Three-dimensional Graphics and Realism-- radiosity; (2007)
Marc Stamminger, Hans-peter Seidel
Although significant success has been made in the improvement of radiosity algorithms, the methods to solve the general global illumination problem with arbitrarily reflecting surfaces still require...
Bounded Radiosity-- Illumination on General Surfaces and Clusters (2007)
Eurographics D. Fellner, L. Szirmay-kalos, Marc Stamminger, Hans-peter Seidel
Traditionally, Radiosity algorithms have been restricted to scenes made from planar patches. Most algorithms for computing form factors and the subdivision criterion for hierarchical methods...
Smart Links and Efficient Reconstruction for (2007)
Wavelet Radiosity, Michael Schroder, Marc Stamminger, Hans-peter Seidel
Wavelet radiosity is the unification of two important methods to solve the radiosity equation: hierarchical radiosity and Galerkin radiosity. Although wavelet radiosity can reap the benefits of both...
Automatic Modeling of Smooth Spline Surfaces (2007)
Gunther Greiner, Hans-peter Seidel, Immd Ix
Summary: Spline surfaces are very popular for the modeling of free form surfaces. This is because they are very flexible, conceptually simple and the shape can be easily controlled by manipulating...
Abstract One-sided Stability of MAT and Its Applications (2007)
Sung Woo Choi, Hans-peter Seidel
Although useful in many applications, the medial axis transform (MAT) has a few fit-falls, one of which is its extreme sensitivity to the boundary perturbation. In this paper, we first summarizes the...
Hartmut Schirmacher, Wolfgang Heidrich, Martin Rubick, Detlef Schiron, Hans-peter Seidel
This paper presents a method of reconstructing the parameters of a reflectance model from photographs of an object. We assume given object geometry and light source position, as well as a homogeneous...
Improved Bi-Laplacian Mesh Fairing (2007)
Robert Schneider, Leif Kobbelt, Hans-peter Seidel
Abstract. Algorithms to create fair meshes can be divided into two categories, depending on whether they are linear or nonlinear. Linear methods have the advantage of being fast, robust and easy to...
Abstract Illuminating Micro Geometry Based on Precomputed Visibility (2007)
Wolfgang Heidrich, Katja Daubert, Jan Kautz, Hans-peter Seidel
Many researchers have been arguing that geometry, bump maps, and BRDFs present a hierarchy of detail that should be exploited for efficient rendering purposes. In practice however, this is often not...
Andreas Kolb, Hans-peter Seidel
An algorithm for surface reconstruction from a polyhedron with arbitrary topology consisting of triangular faces is presented. The first variant of the algorithm constructs a curve network consisting...
Computer Graphics Group (2007)
Swen Campagna, Leif Kobbelt, Hans-peter Seidel
Due to their simplicity triangle meshes are used to represent surfaces in many applications. Since the number of triangles often goes beyond the capabilities of computer graphics hardware, a large...
Surface Reconstruction Based Upon (2007)
Minimum Norm Networks, Andreas Kolb, Helmut Pottmann, Hans-peter Seidel
In this paper we present a method for surface reconstruction using an extension of the Minimum Norm Network (MNN) designed for interpolating (functional) scattered data to the parametric case. Given...
Subdivision Surface Simplification (2007)
Won-Ki Jeong, Kolja Kähler, Hans-peter Seidel
A modified quadric error metric (QEM) for simplification of Loop subdivision surfaces is presented. The suggested error metric not only measures the geometric difference but also controls the...
(Guest Editors) Hardware-Accelerated Rendering of Photo Hulls (2007)
Ming Li, Marcus Magnor, Hans-peter Seidel
This paper presents an efficient hardware-accelerated method for novel view synthesis from a set of images or videos. Our method is based on the photo hull representation, which is the maximal...
Interactive Global Illumination Using Selective Photon Tracing (2007)
S. Gibson (editors, Kirill Dmitriev, Stefan Brabec, Karol Myszkowski, Hans-peter Seidel
We present a method for interactive global illumination computation which is embedded in the framework of Quasi-Monte Carlo photon tracing and density estimation techniques. The method exploits...
Linear Angle Based Parameterization (2007)
Zayer, Rhaleb, Lévy, Bruno, Seidel, Hans-Peter
In the field of mesh parameterization, the impact of angular and boundary distortion on parameterization quality have brought forward the need for robust and efficient free boundary angle preserving...
Linear Angle Based Parameterization (2007)
Zayer, Rhaleb, Lévy, Bruno, Seidel, Hans-Peter
In the field of mesh parameterization, the impact of angular and boundary distortion on parameterization quality have brought forward the need for robust and efficient free boundary angle preserving...
Eikonal rendering: efficient light transport in refractive objects (2007)
Ivo Ihrke, Gernot Ziegler, Art Tevs, Christian Theobalt, Marcus Magnor, Hans-peter Seidel
Figure 1: Real-time renderings of complex refractive objects – (left) glass with red wine casting a colorful caustic, 24.8 fps. (middle) Amberlike bunny with black embeddings showing anisotropic...
Marcus Magnor, Sascha El-abed, Ting-hui Lee, Hans-peter Seidel
Summary. We describe a de-projection method to recover the 3D distribution of the ionized gas and dust component in planetary nebulae. Based on observations in the optical and radio regime, we...
Reverse engineering garments (2007)
Nils Hasler, Bodo Rosenhahn, Hans-peter Seidel
Abstract. Segmenting garments from humanoid meshes or point clouds is a challenging problem with applications in the textile industry and in model based motion capturing. In this work we present a...
Adaptive Fourier-based surface reconstruction (2007)
Oliver Schall, Er Belyaev, Hans-peter Seidel
Abstract. In this paper, we combine Kazhdan’s FFT-based approach to surface reconstruction from oriented points with adaptive subdivision and partition of unity blending techniques. The advantages...
Bradley Atcheson, Ivo Ihrke, Derek Bradley, Wolfgang Heidrich, Marcus Magnor, Hans-peter Seidel
Figure 1: Measurements of the refractive index field caused by rising hot air from a gas burner. Far left: magnitude of refraction for each pixel in one view. Center left: vector field of 2D...
Thomas Schultz, Joachim Weickert, Hans-peter Seidel, Thomas Schultz, Joachim Weickert, Hans-peter Seidel
discussions at all stages of this project. Discussions with Torsten Langer, who is with the MPI Informatik, helped in developing parts of the “mathematical toolbox ” in Chapter 4. Our...
H.-P.: Mean value Bézier surfaces (2007)
Torsten Langer, Hans-peter Seidel
Abstract. Bézier surfaces are an important design tool in Computer Aided Design. They are parameterized surfaces where the parameterization can be represented as a homogeneous polynomial in...
Polarization and PhaseShifting for 3D Scanning of Translucent Objects (2007)
Tongbo Chen, Christian Fuchs, Hans-peter Seidel, Mpi Informatik
Translucent objects pose a difficult problem for traditional structured light 3D scanning techniques. Subsurface scattering corrupts the range estimation in two ways: by drastically reducing the...
Automatic generation of bas-reliefs from 3D shapes (2007)
Wenhao Song, Alexander Belyaev, Hans-peter Seidel
generated by our method and their profiles (middle images). A bas-relief of the Stanford Armadillo model on a bended cylinder (most-right image). In this paper, we introduce and study a new problem...
Christopher Dyken, Gernot Ziegler, Christian Theobalt, Hans-peter Seidel, Christopher Dyken, Gernot Ziegler, ...
We present an implementation approach to high-speed Marching Cubes, running entirely on the Graphics Processing Unit of Shader Model 3.0 and 4.0 graphics hardware. Our approach is based on the...
Carsten Stoll, Edilson De Aguiar, Carsten Stoll, Edilson De Aguiar, Christian Theobalt, ...
project (506766) within EU’s Sixth Framework Programme and by EC within FP6 under Grant 511568 with the acronym 3DTV. The Raptor model is provided courtesy of SenSable Technologies inc. by
H.-P.: Density Estimation for Dynamic Volumes (2007)
Christian Fuchs, Tongbo Chen, Michael Goesele, Holger Theisel, Hans-peter Seidel
We propose a new approach to capture the volumetric density of dynamic scattering media instantaneously with a single image. The volume is probed with a set of laser lines and the scattered intensity...
On the applicability of topological methods for complex flow data (2007)
Theisel, Holger, Weinkauf, Tino, Hege, Hans-Christian, Seidel, Hans-Peter
Feature flow fields in out-of-core settings (2007)
Weinkauf, Tino, Theisel, Holger, Hege, Hans-Christian, Seidel, Hans-Peter
Implicit Boundary Control of Vector Field Based Shape Deformations (2007)
Von Funck, Wolfram, Theisel, Holger, Seidel, Hans-Peter
We present a shape deformation approach which preserves volume, prevents self-intersections and allows for exact control of the deformation impact. The volume preservation and prevention of...
Global Illumination using Photon Ray Splatting (2007)
Herzog, Robert, Havran, Vlastimil, Kinuwaki, Shinichi, Myszkowski, Karol, Seidel, Hans-Peter
We present a novel framework for efficiently computing the indirect illumination in diffuse and moderately glossy scenes using density estimation techniques. A vast majority of existing global...
3D Reconstruction of Emission and Absorption in Planetary Nebulae (2007)
Lintu, Andrei, Lensch, Hendrik P. A., Magnor, Marcus, El-Abed, Sasha, Seidel, Hans-Peter
This paper addresses the problem of reconstructing the 3D structure of planetary nebulae from 2D observations. Assuming axial symmetry, our method jointly reconstructs the distribution of dust and...
Nonparametric Density Estimation with Adaptive Anisotropic Kernels for Human Motion Tracking (2007)
Brox, Thomas, Rosenhahn, Bodo, Cremers, Daniel, Seidel, Hans-Peter
Density Estimation for Dynamic Volumes (2007)
Fuchs, Christian, Chen, Tongbo, Goesele, Michael, Theisel, Holger, Seidel, Hans-Peter
Feature Preserving Depth Compression of Range Images (2007)
Kerber, Jens, Belyaev, Alexander, Seidel, Hans-Peter
In this paper we present a new and efficient method for the depth-compression of range images in a feature preserving way. Given a range image (a depth field), the problem studied in the paper...
Silhouette Based Generic Model Adaptation for Marker-Less Motion Capturing (2007)
Sunkel, Martin, Rosenhahn, Bodo, Seidel, Hans-Peter
This work presents a marker-less motion capture system that incorporates an approach to smoothly adapt a generic model mesh to the individual shape of a tracked person. This is done relying on...
Global Illumination using Photon Ray Splatting (2007)
Herzog, Robert, Havran, Vlastimil, Kinuwaki, Shinichi, Myszkowski, Karol, Seidel, Hans-Peter
We present a novel framework for efficiently computing the indirect illumination in diffuse and moderately glossy scenes using density estimation techniques. Many existing global illumination...
Lighting Details Preserving Photon Density Estimation (2007)
Herzog, Robert, Seidel, Hans-Peter
Standard density estimation approaches suffer from visible bias due to low-pass filtering of the lighting function. Therefore, most photon density estimation methods have been used primarily with...
Online Smoothing for Markerless Motion Capture (2007)
Rosenhahn, Bodo, Brox, Thomas, Cremers, Daniel, Seidel, Hans-Peter
A Simple Framework for Natural Animation of Digitized Models (2007)
De Aguiar, Edilson, Zayer, Rhaleb, Theobalt, Christian, Magnor, Marcus, Seidel, Hans-Peter
We present a versatile, fast and simple framework to generate animations of scanned human characters from input optical motion capture data. Our method is purely meshbased and requires only a minimum...
Marker-less 3D Feature Tracking for Mesh-based Motion Capture (2007)
De Aguiar, Edilson, Theobalt, Christian, Stoll, Carsten, Seidel, Hans-Peter
We present a novel algorithm that robustly tracks 3D trajectories of features on a moving human who has been recorded with multiple video cameras. Our method does so without special markers in the...
Eikonal Rendering: Efficient Light Transport in Refractive Objects (2007)
Ihrke, Ivo, Ziegler, Gernot, Tevs, Art, Theobalt, Christian, Magnor, Marcus, Seidel, Hans-Peter
We present a new method for real-time rendering of sophisticated lighting effects in and around refractive objects. It enables us to realistically display refractive objects with complex material...
Fitting a Morphable Model to 3D Scans of Faces (2007)
Blanz, Volker, Scherbaum, Kristina, Seidel, Hans-Peter
This paper presents a top-down approach to 3D data analysis by fitting a Morphable Model to scans of faces. In a unified framework, the algorithm optimizes shape, texture, pose and illumination...
Prediction of Individual Non-Linear Aging Trajectories of Faces (2007)
Scherbaum, Kristina, Sunkel, Martin, Seidel, Hans-Peter, Blanz, Volker
Represented in a Morphable Model, 3D faces follow curved trajectories in face space as they age. We present a novel algorithm that computes the individual aging trajectories for given faces, based on...
Brightness Adjustment for HDR and Tone Mapped Images (2007)
Krawczyk, Grzegorz, Mantiuk, Rafał, Zdrojewska, Dorota, Seidel, Hans-Peter
3D Reconstruction of Reflection Nebulae from a Single Image (2007)
Lintu, Andrei, Hoffmann, Lars, Magnor, Marcus, Lensch, Hendrik P. A., Seidel, Hans-Peter
This paper presents a method for reconstructing the 3D distribution of dust densities in reflection nebulae based on a single input image using an analysisby- synthesis approach. In a reflection...
Contrast Restoration by Adaptive Countershading (2007)
Krawczyk, Grzegorz, Myszkowski, Karol, Seidel, Hans-Peter
We address the problem of communicating contrasts in images degraded with respect to their original due to processing with computer graphics algorithms. Such degradation can happen during the tone...
Topological Visualization of Brain Diffusion MRI Data (2007)
Schultz, Thomas, Theisel, Holger, Seidel, Hans-Peter
Topological methods give concise and expressive visual representations of flow fields. The present work suggests a comparable method for the visualization of human brain diffusion MRI data. We...
Superresolution Reflectance Fields: Synthesizing images for intermediate light directions (2007)
Fuchs, Martin, Lensch, Hendrik P. A., Blanz, Volker, Seidel, Hans-Peter
Captured reflectance fields tend to provide a relatively coarse sampling of the incident light directions. As a result, sharp illumination features, such as highlights or shadow boundaries, are...
Adaptive sampling of reflectance fields (2007)
Fuchs, Martin, Blanz, Volker, Lensch, Hendrik P. A., Seidel, Hans-Peter
Image-based relighting achieves high quality in rendering, but it requires a large number of measurements of the reflectance field. This article discusses sampling techniques that improve on the...
Theobalt, Christian, Rössl, Christian, De Aguiar, Edilson, Seidel, Hans-Peter
We propose a method to automatically transform mesh animations into animation collages, i.e. moving assemblies of shape primitives from a database given by an artist. An animation collage is a...
Automatic 2D Shape Orientation by Example (2007)
Saleem, Waqar, Wang, Danyi, Belyaev, Alexander, Seidel, Hans-Peter
As large shape repositories become more common, the problem of automatically generating good views of shapes has recently gained prominence. However, very few of the proposed methods take into...
Realtime Ray Tracing on GPU with BVH-based Packet Traversal (2007)
Günther, Johannes, Popov, Stefan, Seidel, Hans-Peter, Slusallek, Philipp
Recent GPU ray tracers can already achieve performance competitive to that of their CPU counterparts. Nevertheless, these systems can not yet fully exploit the capabilities of modern GPUs and can...
A General Framework for Efficient 2D and 3D Facial Expression Analogy (2007)
Song, Mingli, Dong, Zhao, Theobalt, Christian, Wang, Huiqiong, Liu, Zicheng, Seidel, Hans-Peter
Facial expression analogy provides computer animation professionals with a tool to map expressions of an arbitrary source face onto an arbitrary target face. In the recent past, several algorithms...
Clustered Stochastic Optimization for Object Recognition and Pose Estimation (2007)
Gall, Jürgen, Rosenhahn, Bodo, Seidel, Hans-Peter
We present an approach for estimating the 3D position and in case of articulated objects also the joint configuration from segmented 2D images. The pose estimation without initial information is a...
Interactive Global Illumination Using Implicit Visibility (2007)
Dong, Zhao, Kautz, Jan, Theobalt, Christian, Seidel, Hans-Peter
Automatic Generation of Bas-reliefs from 3D Shapes (2007)
Song, Wenhao, Belyaev, Alexander, Seidel, Hans-Peter
In this paper, we introduce and study a new problem of converting a given 3D shape (or a 2.5D range data) into a bas-relief. The problem can be considered as a geometry counterpart of the HDR image...
Stackless KD-Tree Traversal for High Performance GPU Ray Tracing (2007)
Popov, Stefan, Günther, Johannes, Seidel, Hans-Peter, Slusallek, Philipp
Significant advances have been achieved for realtime ray tracing recently, but realtime performance for complex scenes still requires large computational resources not yet available from the CPUs in...
Mean Value Bézier Surfaces (2007)
Langer, Torsten, Seidel, Hans-Peter
B\'ezier surfaces are an important design tool in Computer Aided Design. They are parameterized surfaces where the parameterization can be represented as a homogeneous polynomial in barycentric...
Saleem, Waqar, Song, Wenhao, Belyaev, Alexander, Seidel, Hans-Peter
With growing popularity of online 3D shape databases, the problem of navigation and remote visualisation of large 3D shape models in such repositories is gaining prominence. While some recent work...
High-quality Reconstruction of Virtual Actors from Multi-view Video Streams (2007)
Theobalt, Christian, Ahmed, Naveed, Ziegler, Gernot, Seidel, Hans-Peter
Spatio-Temporal Registration Techniques for Relightable 3D Video (2007)
Ahmed, Naveed, Theobalt, Christian, Magnor, Marcus, Seidel, Hans-Peter
By jointly applying a model-based marker-less motion capture approach and multi-view texture generation 3D Videos of human actors can be reconstructed from multi-view video streams. If the input data...
Vision, Modeling, and Visualization 2007 : proceedings (2007)
Lensch, Hendrik P. A., Rosenhahn, Bodo, Seidel, Hans-Peter, Slusallek, Philipp, Weickert, Joachim
Linear Angle Based Parameterization (2007)
Zayer, Rhaleb, Lévy, Bruno, Seidel, Hans-Peter
In the field of mesh parameterization, the impact of angular and boundary distortion on parameterization quality have brought forward the need for robust and efficient free boundary angle preserving...
Convolution Shadow Maps (2007)
Annen, Thomas, Mertens, Tom, Bekaert, Philippe, Seidel, Hans-Peter, Kautz, Jan
We present \emph{Convolution Shadow Maps}, a novel shadow representation that affords efficient arbitrary linear filtering of shadows. Traditional shadow mapping is inherently non-linear w.r.t.\ the...
Shi, Kuangyu, Theisel, Holger, Seidel, Hans-Peter
This paper presents an approach to extracting the separation surfaces from periodic 2D time-dependent vector fields based on a recently introduced path line oriented topology. This topology is based...
Polarization and Phase-shifting for 3D Scanning of Translucent Objects (2007)
Chen, Tongbo, Lensch, Hendrik P. A., Fuchs, Christian, Seidel, Hans-Peter
Translucent objects pose a difficult problem for traditional structured light 3D scanning techniques. Subsurface scattering corrupts the range estimation in two ways: by drastically reducing the...
High Dynamic Range Image and Video Compression - Fidelity Matching Human Visual Performance (2007)
Mantiuk, Rafał, Krawczyk, Grzegorz, Myszkowski, Karol, Seidel, Hans-Peter
Vast majority of digital images and video material stored today can capture only a fraction of visual information visible to the human eye and does not offer sufficient quality to fully exploit...
Surface and Normal Ensembles for Surface Reconstruction (2007)
Yoon, Mincheol, Lee, Yunjin, Lee, Seungyong, Ivrissimtzis, Ioannis, Seidel, Hans-Peter
Feature-preserving Non-local Denoising of Static and Time-varying Range Data (2007)
Schall, Oliver, Belyaev, Alexander, Seidel, Hans-Peter
We present a new method for noise removal on static and time-varying range data. Our approach predicts the restored position of a perturbed vertex using similar vertices in its neighborhood. It...
On Stochastic Methods for Surface Reconstruction (2007)
Saleem, Waqar, Schall, Oliver, Patanè, Giuseppe, Belyaev, Alexander, Seidel, Hans-Peter
In this article, we present and discuss three statistical methods for Surface Reconstruction. A typical input to a Surface Reconstruction technique consists of a large set of points that has been...
Marker-less Deformable Mesh Tracking for Human Shape and Motion Capture (2007)
De Aguiar, Edilson, Theobalt, Christian, Stoll, Carsten, Seidel, Hans-Peter
We present a novel algorithm to jointly capture the motion and the dynamic shape of humans from multiple video streams without using optical markers. Instead of relying on kinematic skeletons, as...
Error-Guided Adaptive Fourier-based Surface Reconstruction (2007)
Schall, Oliver, Belyaev, Alexander, Seidel, Hans-Peter
In this paper, we propose to combine Kazhdan's FFT-based approach to surface reconstruction from oriented points with adaptive subdivision and partition of unity blending techniques. This removes the...
Video-driven animation of human body scans (2007)
De Aguiar, Edilson, Zayer, Rhaleb, Theobalt, Christian, Magnor, Marcus, Seidel, Hans-Peter
We present a versatile, fast and simple framework to generate animations of scanned human characters from input multiview video sequences. Our method is purely mesh-based and requires only a minimum...
An Analysis-by-Synthesis Approach to Tracking of Textiles (2007)
Hasler, Nils, Rosenhahn, Bodo, Asbach, Mark, Ohm, Jens-Rainer, Seidel, Hans-Peter
Despite strong interest in cloth simulation on the one hand and tracking of deformable objects on the other, little effort has been put into tracking cloth motion by modelling the fabric. Here, an...
Mean Value Coordinates for Arbitrary Spherical Polygons and Polyhedra in IR3 (2007)
Langer, Torsten, Belyaev, Alexander, Seidel, Hans-Peter
Since their introduction, mean value coordinates have enjoyed ever increasing popularity in computer graphics and computational mathematics because they exhibit a variety of good properties. Most...
Testing tone mapping operators with human-perceived reality (2007)
Yoshida, Akiko, Blanz, Volker, Myszkowski, Karol, Seidel, Hans-Peter
A number of successful tone mapping operators for contrast compression have been proposed due to the need to visualize high dynamic range (HDR) images on low dynamic range (LDR) devices. They were...
Rapid Animation of Laser-scanned Humans (2007)
De Aguiar, Edilson, Theobalt, Christian, Stoll, Carsten, Seidel, Hans-Peter
We present a simple and ef cient approach to turn laser-scanned human geometry into a realistically moving virtual avatar. Instead of relying on the classical skeleton-based animation pipeline, our...
Segmentation of DT-MRI Anisotropy Isosurfaces (2007)
Schultz, Thomas, Theisel, Holger, Seidel, Hans-Peter
While isosurfaces of anisotropy measures for data from diffusion tensor magnetic resonance imaging (DT-MRI) are known to depict major anatomical structures, the anisotropy metric reduces the rich...
Interacting and Annealing Particle Filters: Mathematics and a Recipe for Applications (2007)
Gall, Jürgen, Potthoff, Jürgen, Schnörr, Christoph, Rosenhahn, Bodo, Seidel, Hans-Peter
Interacting and annealing are two powerful strategies that are applied in different areas of stochastic modelling and data analysis. Interacting particle systems approximate a distribution of...
Exact and Interpolatory Quadratures for Curvature Tensor Estimation (2007)
Langer, Torsten, Belyaev, Alexander, Seidel, Hans-Peter
The computation of the curvature of smooth surfaces has a long history in differential geometry and is essential for many geometric modeling applications such as feature detection. We present a novel...
A Unified Feature Extraction Architecture (2007)
Weinkauf, Tino, Sahner, Jan, Theisel, Holger, Hege, Hans-Christian, Seidel, Hans-Peter
A system for articulated tracking incorporating a clothing model (2007)
Rosenhahn, Bodo, Kersting, Uwe, Powell, Katie, Klette, Reinhard, Klette, Gisela, Seidel, Hans-Peter
In this paper an approach for motion capture of dressed people is presented. A cloth draping method is incorporated in a silhouette based motion capture system. This leads to a simultaneous...
Real-time Quadtree Analysis using HistoPyramids (2007)
Ziegler, Gernot, Dimitrov, Rouslan, Theobalt, Christian, Seidel, Hans-Peter
Region quadtrees are convenient tools for hierarchical image analysis. Like the related Haar wavelets, they are simple to generate within a fixed calculation time. The clustering at each resolution...
High Dynamic Range Imaging Pipeline: Perception-Motivated Representation of Visual Content (2007)
Mantiuk, Rafał, Krawczyk, Grzegorz, Mantiuk, Radoslaw, Seidel, Hans-Peter
The advances in high dynamic range (HDR) imaging, especially in the display and camera technology, have a significant impact on the existing imaging systems. The assumptions of the traditional...
Seeing People in Different Light-Joint Shape, Motion, and Reflectance Capture (2007)
Theobalt, Christian, Ahmed, Naveed, Lensch, Hendrik P. A., Magnor, Marcus, Seidel, Hans-Peter
By means of passive optical motion capture real people can be authentically animated and photo-realistically textured. To import real-world characters into virtual environments, however, also surface...
Spatio-temporal Reflectance Sharing for Relightable 3D Video (2007)
Ahmed, Naveed, Theobalt, Christian, Seidel, Hans-Peter
In our previous work, we have shown that by means of a model based approach, relightable free viewpoint videos of human actors can be reconstructed from only a handful of multi view video streams...
Reverse Engineering Garments (2007)
Hasler, Nils, Rosenhahn, Bodo, Seidel, Hans-Peter
Segmenting garments from humanoid meshes or point clouds is a challenging problem with applications in the textile industry and in model based motion capturing. In this work we present a physically...
Kuangyu Shi, Holger Theisel, Hans-christian Hege, Hans-peter Seidel
We describe an approach to visually analyzing the dynamic behavior of 3D time-dependent flow fields by considering the behavior of the path lines. At selected positions in the 4D space-time domain,...
Multiresolution analysis based on quadratic Hermite interpolation (2006)
Dæhlen, Morten, Lyche, Tom, Mørken, Knut, Seidel, Hans-Peter
We study two simple multiresoultion analyses and their stability in the L1-norm: Faber decomposition and C1 quadratic Hermite interpolation, both with nonuniform knot sequences. The use of the L1...
Optical Filtering for Near Field Photometry with High Order Basis (2006)
Granier, Xavier, Goesele, Michael, Heidrich, Wolfgang, Seidel, Hans-Peter
Accurately capturing the near field emission of complex luminaires is still very difficult. In this paper, we describe a new acquisition pipeline of such luminaires that performs an orthogonal...
Optical Filtering for Near Field Photometry with High Order Basis (2006)
Granier, Xavier, Goesele, Michael, Heidrich, Wolfgang, Seidel, Hans-Peter
Accurately capturing the near field emission of complex luminaires is still very difficult. In this paper, we describe a new acquisition pipeline of such luminaires that performs an orthogonal...
Optical Filtering for Near Field Photometry with High Order Basis (2006)
Granier, Xavier, Goesele, Michael, Heidrich, Wolfgang, Seidel, Hans-Peter
Accurately capturing the near field emission of complex luminaires is still very difficult. In this paper, we describe a new acquisition pipeline of such luminaires that performs an orthogonal...
Optical Filtering for Near Field Photometry with High Order Basis (2006)
Granier, Xavier, Goesele, Michael, Heidrich, Wolfgang, Seidel, Hans-Peter
Accurately capturing the near field emission of complex luminaires is still very difficult. In this paper, we describe a new acquisition pipeline of such luminaires that performs an orthogonal...
Ray Tracing Animated Scenes using Motion Decomposition (2006)
Johannes Günther, Heiko Friedrich, Ingo Wald, Hans-peter Seidel
encodes separated clusters generated by our motion decomposition algorithm. All animations combine flexible non-affine body motion from skinning, and other deformations. They can be ray traced with 5...
Computational model of lightness perception in high dynamic range imaging (2006)
Grzegorz Krawczyk, Karol Myszkowski, Hans-peter Seidel
An anchoring theory of lightness perception by Gilchrist et al. [1999] explains many characteristics of human visual system such as lightness constancy and its spectacular failures which are...
Ray Tracing Animated Scenes using Motion Decomposition (2006)
Johannes Günther, Heiko Friedrich, Ingo Wald, Hans-peter Seidel
Figure 1: Example images from animations ray traced in realtime. From left to right: HAND, BEN, CHICKEN, COW, and DOLPHIN. The color encodes separated clusters generated by our motion decomposition...
Michael Neff, Michael Neff, Irene Albrecht, Hans-peter Seidel
First and foremost, the authors would like to thank Jay Leno and Marcel Reich-Ranicky for providing such excellent samples of gesturing as part of their normal routine. The authors are also grateful...
Lossy Compression of High Dynamic Range Images and Video (2006)
Rafal Mantiuk, Karol Myszkowski, Hans-peter Seidel
Most common image and video formats have been designed to work with existing output devices, like LCD or CRT monitors. As display technology makes progress, these formats no longer represent the data...
A Perceptual Framework for Contrast Processing of High Dynamic Range Images (2006)
Rafal Mantiuk, Karol Myszkowski, Hans-Peter Seidel, High Dynamic, Range Images
Image processing often involves an image transformation into a domain that is better correlated with visual perception, such as the wavelet domain, image pyramids, multi-scale contrast...
Spherical Barycentric Coordinates (2006)
Konrad Polthier, Alexander Belyaev, Alla Sheffer (editors, Torsten Langer, Er Belyaev, Hans-peter Seidel, ...
We develop spherical barycentric coordinates. Analogous to classical, planar barycentric coordinates that describe the positions of points in a plane with respect to the vertices of a given planar...
Mesostructure from Specularity (2006)
Tongbo Chen, Michael Goesele, Hans-Peter Seidel, Mpi Informatik
We describe a simple and robust method for surface mesostructure acquisition. Our method builds on the observation that specular reflection is a reliable visual cue for surface mesostructure...
Volumetric Density Capture From a Single Image (2006)
T. Möller, R. Machiraju, T. Ertl, M. Chen (editors, Christian Fuchs, Tongbo Chen, ...
We propose a new approach to capture the volumetric density of scattering media instantaneously with a single image. The volume is probed with a set of laser lines and the scattered intensity is...
H.-P.: Creating face models from vague mental images (2006)
Irene Albrecht, Volker Blanz, Jörg Haber, Hans-peter Seidel
Abstract. We present a novel approach to create plausible 3D face models from vague recollections or incomplete descriptions, such as those given by eyewitnesses in police investigations. Our...
Backward Compatible High Dynamic Range MPEG Video Compression (2006)
Rafał Mantiuk, Er Efremov, Karol Myszkowski, Hans-peter Seidel, Mpi Informatik
Figure 1: Our backward-compatible HDR DVD movie processing pipeline. The high dynamic range content, provided by advanced cameras and CG rendering, is encoded in addition to the low dynamic range...
Torsten Langer, Alexander Belyaev, Hans-peter Seidel, Torsten Langer, Alexander Belyaev, Hans-peter Seidel
We are grateful to Tao Ju for providing us with his manuscript prior to publication. The research of the authors has been supported in part by the EU-Project
Smoothing by example: Mesh denoising by averaging with similarity based weights (2006)
Shin Yoshizawa, Alexander Belyaev, Hans-peter Seidel
In this paper, we propose a new and powerful shape denoising technique for processing surfaces approximated by triangle meshes and soups. Our approach is inspired by recent non-local image denoising...
A comparison of shape matching methods for contour based pose estimation (2006)
Bodo Rosenhahn, Thomas Brox, Daniel Cremers, Hans-peter Seidel
Abstract. In this paper, we analyze two conceptionally different approaches for shape matching: the well-known iterated closest point (ICP) algorithm and variational shape registration via level...
Thomas Brox, Bodo Rosenhahn, Daniel Cremers, Hans-peter Seidel
Abstract. Tracking the 3-D pose of an object needs correspondences between 2-D features in the image and their 3-D counterparts in the object model. A large variety of such features has been...
Vector field based shape deformations (2006)
Wolfram Von Funck, Holger Theisel, Hans-Peter Seidel
We present an approach to define shape deformations by constructing and interactively modifying C¹ continuous time-dependent divergence-free vector fields. The deformation is obtained by a path line...
Gernot Ziegler, Art Tevs, Gernot Ziegler, Art Tevs, Christian Theobalt, ...
Image Pyramids are frequently used in porting non-local algorithms to graphics hardware. A Histogram pyramid (short: HistoPyramid), a special version of image pyramid, sums up the number of active...
Interactive ray tracing of skinned animations (2006)
Johannes Günther, Heiko Friedrich, Hans-peter Seidel, J. Günther, H. Friedrich, ...
Fig. 1 The “UT 2003 ” and “Cally ” example scenes demonstrating interactively skinned meshes. These dynamic scenes are ray traced between 4 (including shadows, right two images) and 15 frames...
Cloth X-ray: Mocap of people wearing textiles. DAGM (2006)
B. Rosenhahn, U. G. Kersting, Katie Powell, Hans-peter Seidel
Abstract. The contribution presents an approach for motion capturing (MoCap) of dressed people. A cloth draping method is embedded in a silhouette based MoCap system and an error functional is...
Gernot Ziegler, Art Tevs, Christian Theobalt, Hans-peter Seidel, Gernot Ziegler, Art Tevs, ...
(technical content final)
Edilson Aguiar, Rhaleb Zayer, Christian Theobalt, Marcus Magnor, Hans-peter Seidel, Edilson De Aguiar, ...
We present a novel versatile, fast and simple framework to generate highquality animations of scanned human characters from input motion data. Our method is purely mesh-based and, in contrast to...
Towards stable and salient multi-view representation of 3D shapes (2006)
Hitoshi Yamauchi, Waqar Saleem, Shin Yoshizawa, Zachi Karni, Alexander Belyaev, Hans-peter Seidel
An approach to automatically select stable and salient representative views of a given 3D object is proposed. Initially, a set of viewpoints are uniformly sampled along the surface of a bounding...
Ensembles for Surface Reconstruction (2006)
Lee, Yunjin, Yoon, Mincheol, Lee, Seungyong, Ivrissimtzis, Ioannis, Seidel, Hans-Peter, Gotsman, Craig, ...
Exact and Approximate Quadratures for Curvature Tensor Estimation (2006)
Langer, Torsten, Belyaev, Alexander, Seidel, Hans-Peter, Desbrun, Mathieu, Pottmann, Helmut
Robust Pose Estimation with 3D Textured Models (2006)
Gall, Jürgen, Rosenhahn, Bodo, Seidel, Hans-Peter, Chang, Long-Wen, Lie, Wen-Nung
Estimating the pose of a rigid body means to determine the rigid body motion in the 3D space from 2D images. For this purpose, it is reasonable to make use of existing knowledge of the object. Our...
Towards Stable and Salient Multi-View Representation of 3D Shapes (2006)
Yamauchi, Hitoshi, Saleem, Waqar, Yoshizawa, Shin, Karni, Zachi, Belyaev, Alexander, Seidel, Hans-Peter, ...
An approach to automatically select stable and salient representative views of a given 3D object is proposed. Initially, a set of viewpoints are uniformly sampled from the surface of a bounding...
Curvilinear Spherical Parameterization (2006)
Zayer, Rhaleb, Rössl, Christian, Seidel, Hans-Peter
We present an efficient approach for solving the spherical parameterization problem. The essence of the approach is to look for a solution in the curvilinear coordinate system, without requiring the...
A Perceptual Framework for Contrast Processing of High Dynamic Range Images (2006)
Mantiuk, Rafał, Myszkowski, Karol, Seidel, Hans-Peter
Image processing often involves an image transformation into a domain that is better correlated with visual perception, such as the wavelet domain, image pyramids, multi-scale contrast...
Stoll, Carsten, Seidel, Hans-Peter, Alexa, Marc
We discuss a shape representation based on a set of disconnected (planar) polygons. The polygons are computed by creating a BSP that contains approximately linear surface patches in each cell. This...
Feature-preserving Denoising of Time-varying Range Data (2006)
Schall, Oliver, Belyaev, Alexander, Seidel, Hans-Peter, Pfister, Hanspeter
We present a technique for accurate denoising of time-varying range data. It is inspired by the idea of similarity-based non-local image filtering and spatio-temporal bilateral filtering for video...
A composite approach to meshing scattered data (2006)
Ohtake, Yutaka, Belyaev, Alexander, Seidel, Hans-Peter
In this paper, we propose a new method for approximating an unorganized set of points scattered over a piecewise smooth surface by a triangle mesh. The method is based on the Garland-Heckbert local...
Ensembles for Normal and Surface Reconstructions (2006)
Lee, Yunjin, Yoon, Mincheol, Lee, Seungyong, Ivrissimtzis, Ioannis, Seidel, Hans-Peter, Kim, Myung-Soo, ...
The majority of the existing techniques for surface reconstruction and the closely related problem of normal estimation are deterministic. Their main advantages are the speed and, given a reasonably...
Creating Face Models from Vague Mental Images (2006)
Blanz, Volker, Albrecht, Irene, Haber, Jörg, Seidel, Hans-Peter, Szirmay-Kalos, László, Gröller, Eduard
Overfitting Control for Surface Reconstruction (2006)
Lee, Yunjin, Lee, Seungyong, Ivrissimtzis, Ioannis, Seidel, Hans-Peter, Fellner, Dieter W., Spencer, Stephen N., ...
This paper proposes a general framework for overfitting control in surface reconstruction from noisy point data. The problem we deal with is how to create a model that will capture as much detail as...
Distributed Rendering for Multiview Parallax Displays (2006)
Annen, Thomas, Matusik, Wojciech, Zwicker, Matthias, Pfister, Hanspeter, Seidel, Hans-Peter, Woods, Andrew J., ...
3D display technology holds great promise for the future of television, virtual reality, entertainment, and visualization. Multiview parallax displays deliver stereoscopic views without glasses to...
Path Line Oriented Topology for Periodic 2D Time-Dependent Vector Fields (2006)
Shi, Kuangyu, Theisel, Holger, Weinkauf, Tino, Hauser, Helwig, Hege, Hans-Christian, Seidel, Hans-Peter, ...
This paper presents an approach to extracting a path line oriented topological segmentation for periodic 2D time-dependent vector fields. Topological methods aiming in capturing the asymptotic...
Learning for Multi-view 3D Tracking in the Context of Particle Filters (2006)
Gall, Jürgen, Rosenhahn, Bodo, Brox, Thomas, Seidel, Hans-Peter, Bebis, George, Boyle, Richard, ...
In this paper we present an approach to use prior knowledge in the particle filter framework for 3D tracking, i.e. estimating the state parameters such as joint angles of a 3D object. The probability...
Sparse surface reconstruction with adaptive partition of unity and radial basis functions (2006)
Ohtake, Yutaka, Belyaev, Alexander, Seidel, Hans-Peter
A new implicit surface fitting method for surface reconstruction from scattered point data is proposed. The method combines an adaptive partition of unity approximation with least-squares RBF fitting...
Analysis of Reproducing Real-World Appearance on Displays of Varying Dynamic Range (2006)
Yoshida, Akiko, Mantiuk, Rafał, Myszkowski, Karol, Seidel, Hans-Peter
We conduct a series of experiments to investigate the desired properties of a tone mapping operator (TMO) and to design such an operator based on subjective data. We propose a novel approach to the...
Template Deformation for Point Cloud Fitting (2006)
Stoll, Carsten, Karni, Zachi, Rössl, Christian, Yamauchi, Hitoshi, Seidel, Hans-Peter, Botsch, Mario, ...
Physically Based Tracking of Cloth (2006)
Hasler, Nils, Asbach, Mark, Rosenhahn, Bodo, Ohm, Jens-Rainer, Seidel, Hans-Peter, Kobbelt, Leif, ...
In this work a method for tracking fabrics in videos is proposed which, unlike most other cloth tracking algorithms, employs an analysis-by-synthesis approach. That is tracking consists of optimising...
Cloth X-Ray: MoCap of People Wearing Textiles (2006)
Rosenhahn, Bodo, Kersting, Uwe, Powell, Katie, Seidel, Hans-Peter, Franke, Katrin, Müller, Klaus R., ...
The contribution presents an approach for motion capturing (MoCap) of dressed people. A cloth draping method is embedded in a silhouette based MoCap system and an error functional is formalized to...
Shape Matching Based on Fully Automatic Face Detection on Triangular Meshes (2006)
Von Funck, Wolfram, Theisel, Holger, Seidel, Hans-Peter, Nishita, Tomoyuki, Peng, Qunsheng, Seidel, Hans-Peter
This paper tackles a particular shape matching problem: given a data base of shapes (described as triangular meshes), we search for all shapes which describe a human. We do so by applying a 3D face...
Multifield-Graphs: An Approach to Visualizing Correlations in Multifield Scalar Data (2006)
Sauber, Natascha, Theisel, Holger, Seidel, Hans-Peter, Gröller, Eduard, Pang, Alex, Silva, Claudio T., ...
We present an approach to visualizing correlations in 3D multifield scalar data. The core of our approach is the computation of correlation fields, which are scalar fields containing the local...
Beyond Tone Mapping: Enhanced Depiction of Tone Mapped HDR Images (2006)
Smith, Kaleigh, Krawczyk, Grzegorz, Myszkowski, Karol, Seidel, Hans-Peter, Szirmay-Kalos, László, Gröller, Eduard
High Dynamic Range (HDR) images capture the full range of luminance present in real world scenes, and unlike Low Dynamic Range (LDR) images, can simultaneously contain detailed information in the...
Modeling Relaxed Hand Shape for Character Animation (2006)
Neff, Michael, Seidel, Hans-Peter, Perales, Francisco José, Fisher, Robert B.
We present a technique for modeling the deformations that occur to hand pose under the influence of gravity when the hand is kept in a relaxed state. A dynamic model of the hand is built using...
Learning-Based Facial Rearticulation Using Streams of 3D Scans (2006)
Bargmann, Robert, Blanz, Volker, Seidel, Hans-Peter, Chen, Bing-Yu
In this paper, we present a new approach that generates synthetic mouth articulations from an audio file and that transfers them to different face meshes. It is based on learning articulations from a...
Computational Model of Lightness Perception in High Dynamic Range Imaging (2006)
Krawczyk, Grzegorz, Myszkowski, Karol, Seidel, Hans-Peter, Rogowitz, Bernice E., Pappas, Thrasyvoulos N., Daly, Scott J.
An anchoring theory of lightness perception by Gilchrist et al. [1999] explains many characteristics of human visual system such as lightness constancy and its spectacular failures which are...
Incremental Raycasting of Piecewise Quadratic Surfaces on the GPU (2006)
Stoll, Carsten, Gumhold, Stefan, Seidel, Hans-Peter, Wald, Ingo, Parke, Steven G.
To overcome the limitations of triangle and point based surfaces several authors have recently investigated surface representations that are based on higher order primitives. Among these are MPU,...
Volumetric Density Capture From a Single Image (2006)
Fuchs, Christian, Chen, Tongbo, Goesele, Michael, Theisel, Holger, Seidel, Hans-Peter, Möller, Torsten, ...
Lossy compression of high dynamic range images and video (2006)
Mantiuk, Rafał, Myszkowski, Karol, Seidel, Hans-Peter, Rogowitz, Bernice E., Pappas, Thrasyvoulos N., Daly, Scott J.
Most common image and video formats have been designed to work with existing output devices, like LCD or CRT monitors. As display technology makes progress, these formats no longer represent the data...
Ray Tracing Animated Scenes using Motion Decomposition (2006)
Günther, Johannes, Friedrich, Heiko, Wald, Ingo, Seidel, Hans-Peter, Slusallek, Philipp, Szirmay-Kalos, László, ...
Though ray tracing has recently become interactive, its high precomputation time for building spatial indices usually limits its applications to walkthroughs of static scenes. This is a major...
Exploring the Use of Ray Tracing for Future Games (2006)
Friedrich, Heiko, Günther, Johannes, Dietrich, Andreas, Scherbaum, Michael, Seidel, Hans-Peter, Slusallek, Philipp
Rasterization hardware and computer games have always been tightly connected: The hardware implementation of rasterization has made complex interactive 3D games possible while requirements for future...
A Comparison of Shape Matching Methods for Contour Based Pose Estimation (2006)
Rosenhahn, Bodo, Brox, Thomas, Cremers, Daniel, Seidel, Hans-Peter, Reulke, Ralf, Eckhardt, Ulrich, ...
In this paper, we analyze two conceptionally different approaches for shape matching: the well-known iterated closest point (ICP) algorithm and variational shape registration via level sets. For the...
Spherical Barycentric Coordinates (2006)
Langer, Torsten, Belyaev, Alexander, Seidel, Hans-Peter, Fellner, Dieter W., Spencer, Stephen N., Sheffer, Alla, ...
We develop spherical barycentric coordinates. Analogous to classical, planar barycentric coordinates that describe the positions of points in a plane with respect to the vertices of a given planar...
On-the-fly Point Clouds through Histogram Pyramids (2006)
Ziegler, Gernot, Theobalt, Christian, Seidel, Hans-Peter, Kobbelt, Leif, Kuhlen, Torsten, Aach, Til, ...
Image Pyramids, as created during a reduction process of 2D image maps, are frequently used in porting non-local algorithms to graphics hardware. A Histogram pyramid (short: HistoPyramid), a special...
Automatic Learning of Articulated Skeletons from 3D Marker Trajectories (2006)
De Aguiar, Edilson, Theobalt, Christian, Seidel, Hans-Peter, Bebis, George, Boyle, Richard, Parvin, Bahram, ...
We present a novel fully-automatic approach for estimating an articulated skeleton of a moving subject and its motion from body marker trajectories that have been measured with an optical motion...
Brox, Thomas, Rosenhahn, Bodo, Cremers, Daniel, Seidel, Hans-Peter, Leonarids, Ales, Bishof, Horst, ...
Tracking the 3-D pose of an object needs correspondences between 2-D features in the image and their 3-D counterparts in the object model. A large variety of such features has been suggested in the...
Ensembles for Normal and Surface Reconstructions (2006)
Yoon, Mincheol, Lee, Yunjin, Lee, Seungyong, Ivrissimtzis, Ioannis, Seidel, Hans-Peter, Kim, Myung-Soo, ...
The majority of the existing techniques for surface reconstruction and the closely related problem of normal estimation are deterministic. Their main advantages are the speed and, given a reasonably...
Backward Compatible High Dynamic Range MPEG Video Compression (2006)
Mantiuk, Rafał, Efremov, Alexander, Myszkowski, Karol, Seidel, Hans-Peter, Dorsey, Julie
To embrace the imminent transition from traditional low-contrast video (LDR) content to superior high dynamic range (HDR) content, we propose a novel backward compatible HDR video compression...
Geodesics Guided Constrained Texture Deformation (2006)
Stoll, Carsten, Karni, Zachi, Seidel, Hans-Peter
We present a method that deforms an image plane to visually meet the shape and pose of a manifold sur-face. The user provides constraints that couple a small number of surface points with their...
Mesostructure from Specularity (2006)
Chen, Tongbo, Goesele, Michael, Seidel, Hans-Peter
We describe a simple and robust method for surface mesostructure acquisition. Our method builds on the observation that specular reflection is a reliable visual cue for surface mesostructure...
Wald, Ingo, Dietrich, Andreas, Benthin, Carsten, Efremov, Alexander, Dahmen, Tim, Günther, Johannes, ...
Computer aided design (CAD) and virtual reality (VR) are becoming increasingly important tools for industrial design applications. Unfortunately, there is a huge and growing gap between what data CAD...
Experiences with Streaming Construction of SAH KD-Trees (2006)
Popov, Stefan, Günther, Johannes, Seidel, Hans-Peter, Slusallek, Philipp, Wald, Ingo, Parker, Steven G.
A major reason for the recent advancements in ray tracing performance is the use of optimized acceleration structures, namely kd-trees based on the surface area heuristic (SAH). Though algorithms...
Topological Structures in Two-Parameter-Dependent 2D Vector Fields (2006)
Weinkauf, Tino, Theisel, Holger, Hege, Hans-Christian, Seidel, Hans-Peter, Szirmay-Kalos, László, Gröller, Eduard
In this paper we extract and visualize the topological skeleton of two-parameter-dependent vector fields. This kind of vector data depends on two parameter dimensions, for instance physical time and...
Vector Field Based Shape Deformations (2006)
Von Funck, Wolfram, Theisel, Holger, Seidel, Hans-Peter, Dorsey, Julie
We present an approach to define shape deformations by constructing and interactively modifying C1 continuous time-dependent divergence-free vector fields. The deformation is obtained by a path line...
On the Fast Construction of Spatial Hierarchies for Ray Tracing (2006)
Havran, Vlastimil, Herzog, Robert, Seidel, Hans-Peter, Wald, Ingo, Parker, Steven G.
In this paper we address the problem of fast construction of spatial hierarchies for ray tracing with applications in animated environments including non-rigid animations. We discuss properties of...
Statistical Learning for Shape Applications (2006)
Saleem, Waqar, Wang, Danyi, Belyaev, Alexander, Seidel, Hans-Peter
Statistical methods are well suited to the large amounts of data typically involved in digital shape applications. In this paper, we look at two statistical learning methods related to digital shape...
Interactive ray tracing of skinned animations (2006)
Günther, Johannes, Friedrich, Heiko, Seidel, Hans-Peter, Slusallek, Philipp
Recent high-performance ray tracing implementations have already achieved interactive performance on a single PC even for highly complex scenes. However, so far these approaches have been limited to...
Adaptive Fourier-Based Surface Reconstruction (2006)
Schall, Oliver, Belyaev, Alexander, Seidel, Hans-Peter, Kim, Myung-Soo, Shimada, Kenji
In this paper, we combine Kazhdan's FFT-based approach to surface reconstruction from oriented points with adaptive subdivision and partition of unity blending techniques. The advantages of our...
Smoothing by Example: Mesh Denoising by Averaging with Similarity-based Weights (2006)
Yoshizawa, Shin, Belyaev, Alexander, Seidel, Hans-Peter, Spagnuolo, M., Belyaev, A., Suzuki, H.
In this paper, we propose a new and powerful mesh/soup denoising technique. Our approach is inspired by recent non-local image denoising schemes and naturally extends bilateral mesh smoothing...
Creating Face Models from Vague Mental Images (2006)
Blanz, Volker, Albrecht, Irene, Haber, Jörg, Seidel, Hans-Peter
We present a novel approach to create plausible 3D face models from vague recollections or incomplete descriptions. This task plays an important role in police work, where composite facial images of...
Analysis of Reproducing Real-World Appearance on Displays of Varying Dynamic Range (2006)
Yoshida, Akiko, Mantiuk, Rafał, Myszkowski, Karol, Seidel, Hans-Peter
We conduct a series of experiments to investigate the desired properties of a tone mapping operator (TMO) and to design such an operator based on subjective data. We propose a novel approach to the...
Lightness Perception Inspired Tone Mapping (2005)
Krawczyk, Grzegorz, Mantiuk, Rafal, Myszkowski, Karol, Seidel, Hans-Peter, Bülthoff, Heinrich, Rushmeier, Holly
A Silhouette Based Human Motion Tracking System (2005)
Rosenhahn, Bodo, Kersting, Uwe, Andrew, Smith, Brox, Thomas, Klette, Reinhard, Seidel, Hans-Peter
You are granted permission for the non-commercial reproduction, distribution, display, and performance of this technical report in any format, BUT this permission is only for a period of 45...
Visual Comput (2005) 21: 659–668 DOI 10.1007/s00371-005-0319-x ORIGINAL ARTICLE (2005)
Hitoshi Yamauchi, Stefan Gumhold, Rhaleb Zayer, Hans-peter Seidel, H. Yamauchi, S. Gumhold
The goal of surface mesh segmentation is to construct a covering of a given mesh, which is composed of surface patches, i.e., charts. There has been a considerable body of research devoted to this...
Christian Fuchs, Michael Goesele, Tongbo Chen, Hans-peter Seidel, Christian Fuchs, Michael Goesele, ...
We introduce an empirical model for multiple scattering in heterogeneous translucent objects for which classical approximations such as the dipole approximation to the diffusion equation are no...
A Perceptual Framework for Contrast Processing of High Dynamic Range Images (2005)
Rafal Mantiuk, Karol Myszkowski, Hans-Peter Seidel, High Dynamic, Range Images
In this work we propose a framework for image processing in a visual response space, in which contrast values directly correlate with their visibility in an image. Our framework involves a...
Photometric Calibration of High Dynamic Range Cameras (2005)
Grzegorz Krawczyk Michael, Michael Goesele, Hans-peter Seidel, Mpi Informatik
Introduction We focus here on the specific challenges posed by the photometric calibration of cameras with a dynamic range of more than six orders of magnitude such as complex camera response curves...
Fast and robust detection of crest lines on meshes (2005)
Shin Yoshizawa, Alexander Belyaev, Hans-peter Seidel
We propose a fast and robust method for detecting crest lines on surfaces approximated by dense triangle meshes. The crest lines, salient surface features defined via first- and second-order...
A moving mesh approach to stretch-minimizing mesh parameterization (2005)
Shin Yoshizawa, Alexander Belyaev, Hans-peter Seidel
We propose to use a moving mesh approach, a popular grid adaption technique in computational mechanics, for fast generating low-stretch mesh parameterizations. Given a triangle mesh approximating a...
Reconstructing human shape and motion from multi-view video (2005)
Edilson De Aguiar, Christian Theobalt, Marcus Magnor, Hans-peter Seidel, Mpi Informatik
video In model-based free-viewpoint video, a detailed representation of the time-varying geometry of a real-word scene is used to generate renditions of it from novel viewpoints. In this paper, we...
Automatic generation of personalized human avatars from multi-view video (2005)
Naveed Ahmed, Edilson De Aguiar, Christian Theobalt, Marcus Magnor, Hans-peter Seidel
In multi-user virtual environments real-world people interact via digital avatars. In order to make the step from the real world onto the virtual stage convincing the digital equivalent of the user...
GeoCast: Unifying Depth Video with Camera Meta-Data (2005)
Gernot Ziegler, Lukas Heidenreich, Marcus Magnor, Hans-peter Seidel
We present a storage format for placing multiple, dynamic 2.5D point sample streams (e.g. RGBZ video) or color video projections into the context of a common world space. The approach utilizes the...
Faster Isosurface Ray Tracing using Implicit KD-Trees (2005)
Ingo Wald, Heiko Friedrich, Gerd Marmitt, Hans-peter Seidel
Abstract — The visualization of high-quality isosurfaces at interactive rates is an important tool in many simulation and visualization applications. Today, isosurfaces are most often visualized by...
Visual Comput (2005) DOI 10.1007/s00371-005-0283-5 ORIGINAL ARTICLE (2005)
Hitoshi Yamauchi, Jörg Haber, Hans-peter Seidel, Hitoshi Yamauchi, Jörg Haber, ...
Textures revisited Texture mapping is one of the oldest techniques in computer graphics [9] – yet, it is one of the most powerful techniques used today. In its original form, texture mapping
An integrating approach to meshing scattered point data (2005)
Yutaka Ohtake, Alexander Belyaev, Hans-Peter Seidel
In this paper, we propose a new method for approximating an unorganized set of points scattered over a piecewise smooth surface by a triangle mesh. The method is based on the Garland-Heckbert local...
Grzegorz Krawczyk, Michael Goesele, Hans-peter Seidel, Grzegorz Krawczyk, Michael Goesele, Hans-peter Seidel
The current trends in computer graphics focus on acquiring, processing and reproducing real world scenes, often with a quite high dynamic range (HDR). Many algorithms require such HDR image or video...
Topological methods for 2d time-dependent vector fields based on stream lines and path lines (2005)
Holger Theisel, Tino Weinkauf, Hans-christian Hege, Hans-peter Seidel
Abstract — This paper describes approaches to topologically segmenting 2D time-dependent vector fields. For this class of vector fields, two important classes of lines exist: stream lines and path...
Perceptual evaluation of tone mapping operators with real-world scenes (2005)
Akiko Yoshida, Volker Blanz, Karol Myszkowski, Hans-peter Seidel
A number of successful tone mapping operators for contrast compression have been proposed due to the need to visualize high dynamic range (HDR) images on low dynamic range devices. They were inspired...
D Videos, Christian Theobalt, Naveed Ahmed, Edilson Aguiar, Gernot Ziegler, Hendrik Lensch, ...
Passive optical motion capture is able to provide authentically animated, photo-realistically and view-dependently textured models of real people. To import real-world characters into virtual...
Discrete tensorial quasiharmonic maps (2005)
Rhaleb Zayer, Christian Rössl, Hans-peter Seidel
We introduce new linear operators for surface parameterization. Given an initial mapping from the parametric plane onto a surface mesh, we establish a secondary map from the plane onto itself that...
Reflectance from images: A model-based approach for human faces (2005)
Martin Fuchs, Volker Blanz, Hendrik Lensch, Hans-peter Seidel
Abstract—In this paper, we present an image-based framework that acquires the reflectance properties of a human face. A range scan of the face is not required. Based on a morphable face model, the...
Lightness Perception Inspired Tone Mapping (2005)
Krawczyk, Grzegorz, Mantiuk, Rafal, Myszkowski, Karol, Seidel, Hans-Peter, Bülthoff, Heinrich, Rushmeier, Holly
Polygonal decompositions of quadrilateral subdivision meshes (2005)
Ivrissimtzis, Ioannis, Zayer, Rhaleb, Seidel, Hans-Peter
We study a polygonal decomposition of the 1-ring neighborhood of a quadrilateral mesh. This decomposition corresponds to the eigenvectors of a matrix with circulant blocks, thus, it is suitable for...
Nailing and Pinning: Adding Constraints to Inverse Kinematics (2005)
Greeff, Mardé, Haber, Jörg, Seidel, Hans-Peter, Skala, Vaclav
Inverse kinematics is commonly applied to compute the resulting movement of an avatar for a prescribed target pose. The motion path computed by inverse kinematics, however, often differs from the...
GeoCast: Unifying Depth Video with Camera Meta-Data (2005)
Ziegler, Gernot, Magnor, Marcus, Seidel, Hans-Peter, Weigel, Christian, Schübel, Peter, Harezlak, Daniel Franciszek
We present a storage format for placing multiple, dynamic 2.5D point sample streams (e.g. RGBZ video) or color video projections into the context of a common world space. The approach utilizes the...
Discrete Tensorial Quasi-Harmonic Maps (2005)
Zayer, Rhaleb, Rössl, Christian, Seidel, Hans-Peter, Spagnuolo, Michaela, Pasko, Alexander, Belyaev, Alexander
We introduce new linear operators for surface parameterization. Given an initial mapping from the parametric plane onto a surface mesh, we establish a secondary map of the plane onto itself that...
Setting the Boundary Free: A Composite Approach to Surface Parameterization (2005)
Zayer, Rhaleb, Rössl, Christian, Seidel, Hans-Peter, Desbrun, Mathieu, Pottmann, Helmut
In the last decade, surface mesh parameterization has emerged as a standard technique in computer graphics. The ever increasing need for processing large and highly detailed data sets fosters the...
Harmonic Guidance for Surface Deformation (2005)
Zayer, Rhaleb, Rössl, Christian, Karni, Zachi, Seidel, Hans-Peter, Alexa, Marc, Marks, Joe
We present an interactive method for applying deformations to a surface mesh while preserving its global shape and local properties. Two surface editing scenarios are discussed, which conceptually...
Fast and Robust Detection of Crest Lines on Meshes (2005)
Yoshizawa, Shin, Belyaev, Alexander, Seidel, Hans-Peter, Kobbelt, Leif, Shapiro, Vadim
We propose a fast and robust method for detecting crest lines on surfaces approximated by dense triangle meshes. The crest lines, salient surface features defined via first- and second-order...
A moving mesh approach to stretch-minimizing mesh parameterization (2005)
Yoshizawa, Shin, Belyaev, Alexander, Seidel, Hans-Peter
We propose to use a moving mesh approach, a popular grid adaption technique in computational mechanics, for fast generating low-stretch mesh parameterizations. Given a triangle mesh approximating a...
Perceptual Evaluation of Tone Mapping Operators with Real-World Sceness (2005)
Yoshida, Akiko, Blanz, Volker, Myszkowski, Karol, Seidel, Hans-Peter, Rogowitz, Bernice E., Pappas, Thrasyvoulos N., ...
A number of successful tone mapping operators for contrast compression have been proposed due to the need to visualize high dynamic range (HDR) images on low dynamic range devices. They were inspired...
Yamauchi, Hitoshi, Lensch, Hendrik P. A., Haber, Jörg, Seidel, Hans-Peter
We describe texture generation methods for complex objects. Recent 3D scanning devices and high-resolution cameras can capture complex geometry of an object and provide high-resolution images....
Feature Sensitive Mesh Segmentation with Mean Shift (2005)
Yamauchi, Hitoshi, Lee, Seungyong, Lee, Yunjin, Ohtake, Yutaka, Belyaev, Alexander, Seidel, Hans-Peter, ...
Feature sensitive mesh segmentation is important for many computer graphics and geometric modeling applications. In this paper, we develop a mesh segmentation method which is capable of producing...
Mesh Segmentation Driven by Gaussian Curvature (2005)
Yamauchi, Hitoshi, Gumhold, Stefan, Zayer, Rhaleb, Seidel, Hans-Peter
Mesh parameterization is a fundamental problem in computer graphics as it allows for texture mapping and facilitates a lot of mesh processing tasks. Although there exists a variety of good...
Extracting higher order critical points and topological simplification of 3D vector fields (2005)
Weinkauf, Tino, Theisel, Holger, Shi, Kuangyu, Hege, Hans-Christian, Seidel, Hans-Peter, Silva, Cláudio T., ...
3D Image Analysis and Synthesis at MPI Informatik (2005)
Theobalt, Christian, Magnor, Marcus, Seidel, Hans-Peter, Fellner, Dieter
Topological Methods for 2D Time-Dependent Vector Fields Based on Stream Lines and Path Lines (2005)
Theisel, Holger, Weinkauf, Tino, Hege, Hans-Christian, Seidel, Hans-Peter
Theisel, Holger, Sahner, Jan, Weinkauf, Tino, Hege, Hans-Christian, Seidel, Hans-Peter, Silva, Cláudio T., ...
3D Acquisition of Mirroring Objects (2005)
Tarini, Marco, Lensch, Hendrik P. A., Goesele, Michael, Seidel, Hans-Peter
Objects with mirroring optical characteristics are left out of the scope of most 3D scanning methods. We present here a new automatic acquisition approach, shape-from-distortion, that focuses on that...
Visualization with Stylized Line Primitives (2005)
Stoll, Carsten, Gumhold, Stefan, Seidel, Hans-Peter, Silva, Cláudio T., Gröller, Eduard, Rushmeier, Holly
Line primitives are a very powerful visual attribute used for scientific visualization and in particular for 3D vector-field visualization. We extend the basic line primitives with additional visual...
Schlosser, Gregor, Hesser, Jürgen, Zeilfelder, Frank, Rössl, Christian, Männer, Reinhard, Nürnberger, Günther, ...
Robust Filtering of Noisy Scattered Point Data (2005)
Schall, Oliver, Belyaev, Alexander, Seidel, Hans-Peter, Pauly, Mark, Zwicker, Matthias
In this paper, we develop a method for robust filtering of a noisy set of points sampled from a smooth surface. The main idea of the method consists of using a kernel density estimation technique for...
Quasi-Interpolation by Quadratic Piecewise Polynomials in Three Variables (2005)
Nürnberger, Günther, Rössl, Christian, Zeilfelder, Frank, Seidel, Hans-Peter
A quasi-interpolation method for quadratic piecewise polynomials in three variables is described which can be used for the efficient reconstruction and visualization of gridded volume data. We...
A perceptual framework for contrast processing of high dynamic range images (2005)
Mantiuk, Rafal, Myszkowski, Karol, Seidel, Hans-Peter, Malik, Jitendra, Koenderink, Jan J.
In this work we propose a framework for image processing in a visual response space, in which contrast values directly correlate with their visibility in an image. Our framework involves a...
Predicting Visible Differences in High Dynamic Range Images - Model and its Calibration (2005)
Mantiuk, Rafal, Daly, Scott, Myszkowski, Karol, Seidel, Hans-Peter, Rogowitz, Bernice E., Pappas, Thrasyvoulos N., ...
New imaging and rendering systems commonly use physically accurate lighting information in the form of high-dynamic range (HDR) images and video. HDR images contain actual colorimetric or physical...
Laplacian Framework for Interactive Mesh Editing (2005)
Lipman, Yaron, Sorkine, Olga, Alexa, Marc, Cohen-Or, Daniel, Levin, David, Rössl, Christian, ...
Recent works in geometric modeling show the advantage of local differential coordinates in various surface processing applications. In this paper we review recent methods that advocate surface...
Mesh Scissoring with Minima Rule and Part Salience (2005)
Lee, Yunjin, Lee, Seungyong, Shamir, Ariel, Cohen-Or, Daniel, Seidel, Hans-Peter, Kobbelt, Leif
Asymptotic Analysis of Discrete Normals and Curvatures of Polylines (2005)
Langer, Torsten, Belyaev, Alexander, Seidel, Hans-Peter, Jüttler, Bert
Accurate estimations of geometric properties of a smooth curve from its discrete approximation are important for many computer graphics and computer vision applications. To assess and improve the...
Exact and Approximate Quadratures for Curvature Tensor Estimation (2005)
Langer, Torsten, Belyaev, Alexander, Seidel, Hans-Peter, Greiner, Günther, Hornegger, Joachim, Niemann, Heinrich, ...
Accurate estimations of geometric properties of a surface from its discrete approximation are important for many computer graphics and geometric modeling applications. In this paper, we derive exact...
Asymptotic Analysis of Discrete Normals and Curvatures of Polylines (2005)
Langer, Torsten, Belyaev, Alexander, Seidel, Hans-Peter
Accurate estimations of geometric properties of a smooth curve from its discrete approximation are important for many computer graphics and computer vision applications. To assess and improve the...
Lightness Perception in Tone Reproduction for High Dynamic Range Images (2005)
Krawczyk, Grzegorz, Myszkowski, Karol, Seidel, Hans-Peter, Alexa, Marc, Marks, Joe
Lightness Perception in Tone Reproduction for High Dynamic Range Images (2005)
Krawczyk, Grzegorz, Myszkowski, Karol, Seidel, Hans-Peter, Alexa, Marc, Marks, Joe
Lightness Perception in Tone Reproduction for High Dynamic Range Images (2005)
Krawczyk, Grzegorz, Myszkowski, Karol, Seidel, Hans-Peter, Alexa, Marc, Marks, Joe
Surface Reconstruction with Neural Meshes (2005)
Ivrissimtzis, Ioannis, Jeong, Won-Ki, Lee, Seungyong, Lee, Yunjin, Seidel, Hans-Peter
Geometry prediction for high degree polygons (2005)
Isenburg, Martin, Ivrissimtzis, Ioannis, Gumhold, Stefan, Seidel, Hans-Peter, Jüttler, Bert
Geometry prediction for high degree polygons (2005)
Isenburg, Martin, Ivrissimtzis, Ioannis, Gumhold, Stefan, Seidel, Hans-Peter
The parallelogram rule is a simple, yet effective scheme to predict the position of a vertex from a neighboring triangle. It was introduced by Touma and Gotsman [1998] to compress the vertex...
Interactive System for Dynamic Scene Lighting using Captured Video Environment Maps (2005)
Havran, Vlastimil, Smyk, Miloslaw, Krawczyk, Grzegorz, Myszkowski, Karol, Seidel, Hans-Peter, Deussen, Oliver, ...
We present an interactive system for fully dynamic scene lighting using captured high dynamic range (HDR) video environment maps. The key component of our system is an algorithm for efficient...
On Cross-Validation and Resampling of BRDF Data Measurements (2005)
Havran, Vlastimil, Neummann, Attila, Zotti, Georg, Purgathofer, Werner, Seidel, Hans-Peter, Jüttler, Bert
We discuss the validation of BTF data measurements by means used for BRDF measurements. First, we show how to apply the Helmholtz reciprocity and isotropy for a single data set. Second, we discuss a...
On Cross-Validation and Resampling of BRDF Data Measurements (2005)
Havran, Vlastimil, Neummann, Attila, Zotti, Georg, Purgathofer, Werner, Seidel, Hans-Peter
We discuss the validation of BTF data measurements by means used for BRDF measurements. First, we show how to apply the Helmholtz reciprocity and isotropy for a single data set. Second, we discuss a...
Fast Final Gathering via Reverse Photon Mapping (2005)
Havran, Vlastimil, Herzog, Robert, Seidel, Hans-Peter, Alexa, Marc, Marks, Joe
We present a new algorithm for computing indirect illumination based on density estimation similarly to photon mapping. We accelerate the search for final gathering by reorganizing the computation in...
Ray Maps for Global Illumination (2005)
Havran, Vlastimil, Bittner, Jiri, Herzog, Robert, Seidel, Hans-Peter, Deussen, Oliver, Keller, Alexander, ...
We describe a novel data structure for representing light transport called ray map. The ray map extends the concept of photon maps: it stores not only photon impacts but the whole photon paths. We...
Physically based Simulation of Twilight Phenomena (2005)
Haber, Jörg, Magnor, Marcus, Seidel, Hans-Peter
We present a physically based approach to compute the colors of the sky during the twilight period before sunrise and after sunset. The simulation is based on the theory of light scattering by small...
Multi-scale and Adaptive CS-RBFs for Shape Reconstruction from Cloud of Points (2005)
Ohtake, Yutaka, Belyaev, Alexander, Seidel, Hans-Peter, Dodgson, Neil A., Floater, Michael S., Sabin, Malcolm A.
Efficient Acquisition and Realistic Rendering of Car Paint (2005)
Günther, Johannes, Chen, Tongbo, Goesele, Michael, Wald, Ingo, Seidel, Hans-Peter, Greiner, Günther, ...
The outside appearance of cars is mostly defined through only two distinct materials -- glass and car paint. While glass can rather easily be simulated by the simple physical laws of reflection and...
Towards PDE-Based Image Compression (2005)
Galic, Irena, Weickert, Joachim, Welk, Martin, Bruhn, Andres, Belyaev, Alexander, Seidel, Hans-Peter, ...
Robust and Numerically Stable Bezier Clipping Method for Ray Tracing NURBS Surfaces (2005)
Efremov, Alexander, Havran, Vlastimil, Seidel, Hans-Peter, Jüttler, Bert
Robust and numerically stable Bézier clipping method for ray tracing NURBS surfaces (2005)
Efremov, Alexander, Havran, Vlastimil, Seidel, Hans-Peter
Raytracing has become a popular method for generating realistic images and movies. The progress in hardware development shows that the real time raytracing on a single PC might be possible in the...
Reconstructing Human Shape and Motion from Multi-View Video (2005)
De Aguiar, Edilson, Theobalt, Christian, Magnor, Marcus, Seidel, Hans-Peter
In model-based free-viewpoint video, a detailed representation of the time-varying geometry of a real-word scene is used to generate renditions of it from novel viewpoints. In this paper, we present...
Practical Shadow Mapping (2005)
Brabec, Stefan, Annen, Thomas, Seidel, Hans-Peter, Barzel, Ronan
In this paper, we present several methods that can greatly improve image quality when using the shadow mapping algorithm. Shadow artifacts introduced by shadow mapping are mainly due to low...
Mixed feelings: Expression of non-basic emotions in a muscle-based talking head (2005)
Albrecht, Irene, Schröder, Marc, Haber, Jörg, Seidel, Hans-Peter
Automatic Generation of Personalized Human Avatars from Multi-View Video (2005)
Ahmed, Naveed, De Aguiar, Edilson, Theobalt, Christian, Magnor, Marcus, Seidel, Hans-Peter
Perceptual Effects in Real-Time Tone Mapping (2005)
Krawczyk, Grzegorz, Myszkowski, Karol, Seidel, Hans-Peter
Tremendous progress in the development and accessibility of high dynamic range (HDR) technology that has happened just recently results in fast proliferation of HDR synthetic image sequences and...
Fuchs, Martin, Blanz, Volker, Seidel, Hans-Peter, Deussen, Oliver, Keller, Alexander, Bala, Kavita, ...
We present a simple method for relighting real objects viewed from a fixed camera position. Instead of setting up a calibrated measurement device, such as a light stage, we manually sweep a spotlight...
Reflectance from Images: A Model-Based Approach for Human Faces (2005)
Fuchs, Martin, Blanz, Volker, Lensch, Hendrik P. A., Seidel, Hans-Peter
In this paper, we present an image-based framework that acquires the reflectance properties of a human face. A range scan of the face is not required. Based on a morphable face model, the system...
An Empirical Model for Heterogeneous Translucent Objects (2005)
Fuchs, Christian, Goesele, Michael, Chen, Tongbo, Seidel, Hans-Peter, Buhler, Juan
Holger Theisel, Mpi Saarbrücken, Tino Weinkauf, Hans-christian Hege, Hans-peter Seidel, Mpi Saarbrücken
Figure 1: Flow behind a circular cylinder. Shown are vortex core lines in a certain frame of reference. Their evolution over time is tracked by our algorithm and depicted using transparent surfaces....
Feature flow fields in out-of-core settings (2005)
Tino Weinkauf, Holger Theisel, Hans-christian Hege, Hans-peter Seidel
Summary: Feature Flow Fields (FFF) are an approach to tracking features in a time-dependent vector field v. The main idea is to introduce an appropriate vector field f in space-time, such that a...
Neural meshes : surface reconstruction with a learning algorithm (2004)
Ivrissimtzis,Ioannis, Jeong,Won-Ki, Lee,Seungyong, Lee,Yunjin, Seidel,Hans-Peter
A Statistical Method for Robust 3D Surface Reconstruction from Sparse Data (2004)
Blanz, Volker, Mehl, A., Vetter, Thomas, Seidel, Hans-peter
General information about a class of objects, such as human faces or teeth, can help to solve the otherwise ill-posed problem of reconstructing a complete surface from sparse 3D feature points or 2D...
Modeling hair using a wisp hair model (2004)
Haber,Jörg, Schmitt,Carina, Koster,Martin, Seidel,Hans-Peter
Model-Based Free-Viewpoint Video Acquisition, Rendering and Encoding (2004)
Theobalt,Christian, Ziegler,Gernot, Magnor,Marcus, Seidel,Hans-Peter
Multi-Video Compression in Texture Space using 4D SPIHT (2004)
Ziegler,Gernot, Lensch,Hendrik, Magnor,Marcus, Seidel,Hans-Peter
Pitching a Baseball - Tracking High-Speed Motion with Multi-Exposure Images (2004)
Theobalt,Christian, Albrecht,Irene, Haber,Joerg, Magnor,Marcus, Seidel,Hans-Peter
Marker-free Kinematic Skeleton Estimation from Sequences of Volume Data (2004)
Theobalt,Christian, De Aguiar,Edilson, Magnor,Marcus, Theisel,Holger, Seidel,Hans-Peter
Combining 3D Flow Fields with Silhouette-based Human Motion Capture for Immersive Video (2004)
Theobalt,Christian, Carranza,Joel, Magnor,Marcus, Seidel,Hans-Peter
3D Video - Being Part of the Movie (2004)
Theobalt,Christian, Carranza,Joel, Magnor,Marcus, Seidel,Hans-Peter
M3: Marker-free Model Reconstruction and Motion Tracking from 3D Voxel Data (2004)
De Aguiar,Edilson, Theobalt,Christian, Magnor,Marcus, Theisel,Holger, Seidel,Hans-Peter
Multi-Video Compression in Texture Space (2004)
Ziegler,Gernot, Lensch,Hendrik P. A., Ahmed,Naveed, Magnor,Marcus, Seidel,Hans-Peter
We present a model-based approach to encode multiple synchronized video streams depicting a dynamic scene from different viewpoints. With approximate 3D scene geometry available, we compensate for...
Reconstruction of Volume Data with Quadratic Super Splines (2004)
Rössl,Christian, Zeilfelder,Frank, Nürnberger,Günther, Seidel,Hans-Peter
We propose a new approach to reconstruct nondiscrete models from gridded volume samples. As a model, we use quadratic trivariate super splines on a uniform tetrahedral partition. We discuss the...
Spherical Harmonic Gradients for Mid-Range Illumination (2004)
Annen,Thomas, Kautz,Jan, Durand,Frédo, Seidel,Hans-Peter
Spherical harmonics are often used for compact description of incident radiance in low-frequency but distant lighting environments. For interaction with nearby emitters, computing the incident...
Validation of Color Managed 3D Appearance Acquisition (2004)
Goesele,Michael, Lensch,Hendrik P. A., Seidel,Hans-Peter
Image-based appearance acquisition algorithms are able to generate realistic 3D models of real objects but have previously not taken care of calibrated color space. We integrate a color managed...
DISCO - Acquisition of Translucent Objects (2004)
Goesele,Michael, Lensch,Hendrik P. A., Lang,Jochen, Fuchs,Christian, Seidel,Hans-Peter
Translucent objects are characterized by diffuse light scattering beneath the object's surface. Light enters and leaves an object at possibly distinct surface locations. This paper presents the first...
A fast and simple stretch-minimizing mesh parameterization (2004)
Yoshizawa,Shin, Belyaev,Alexander, Seidel,Hans-Peter
We propose a fast and simple method for generating a low-stretch mesh parameterization. Given a triangle mesh, we start from the Floater shape preserving parameterization and then improve the...
Variations of angle based flattening (2004)
Zayer,Rhaleb, Rössl,Christian, Seidel,Hans-Peter
Angle Based Flattening is a robust parameterization technique allowing a free boundary. The numerical optimization associated with the approach yields a challenging problem. We discuss several...
Stream Line and Path Line Oriented Topology for 2D Time-dependent Vector Fields (2004)
Theisel,Holger, Weinkauf,Tino, Hege,Hans-Christian, Seidel,Hans-Peter
Exploiting Temporal Coherence in Final Gathering for Dynamic Scenes (2004)
Tawara,Takehiro, Myszkowski,Karol, Seidel,Hans-Peter
Efficient global illumination computation in dynamically changing environments is an important practical problem. In high-quality animation rendering costly "final gathering" technique is commonly...
Topology Preserving Thinning of Vector Fields on Triangular Meshes (2004)
Theisel,Holger, Rössl,Christian, Seidel,Hans-Peter
We consider the topology of piecewise linear vector fields whose domain is a piecewise linear 2-manifold, i.e. a triangular mesh. Such vector fields can describe simulated 2-dimensional flows, or...
Grid-Independent Detection of Closed Stream Lines in 2D Vector Fields (2004)
Theisel,Holger, Weinkauf,Tino, Hege,Hans-Christian, Seidel,Hans-Peter
Topological Construction and Visualization of Higher Order 3D Vector Fields (2004)
Weinkauf,Tino, Theisel,Holger, Hege,Hans-Christian, Seidel,Hans-Peter
Exploiting Temporal Coherence in Global Illumination (an invited paper) (2004)
Tawara,Takehiro, Myszkowski,Karol, Dmitriev,Kirill, Havran,Vlastimil, Damez,Cyrille, Seidel,Hans-Peter
Producing high quality animations featuring rich object appearance and compelling lighting effects is very time consuming using traditional frame-by-frame rendering systems. In this paper we present...
Real-Time Rendering of Human Hair using Programmable Graphics Hardware (2004)
Koster,Martin, Haber,Jörg, Seidel,Hans-Peter
We present a hair model together with rendering algorithms suitable for real-time rendering. In our approach, we take into account the major lighting factors contributing to a realistic appearance of...
Boundary Switch Connectors for Topological Visualization of Complex 3D Vector Fields (2004)
Weinkauf,Tino, Theisel,Holger, Hege,Hans-Christian, Seidel,Hans-Peter
Spatio-Temporal Photon Density Estimation Using Bilateral Filtering (2004)
Weber,Markus, Milch,Marco, Myszkowski,Karol, Dmitriev,Kirill, Rokita,Przemyslaw, Seidel,Hans-Peter
Photon tracing and density estimation are well established techniques in global illumination computation and rendering of high-quality animation sequences. Using traditional density estimation...
Model-based Free-Viewpoint Video: Acquisition, Rendering, and Encoding (2004)
Theobalt,Christian, Ziegler,Gernot, Magnor,Marcus, Seidel,Hans-Peter
Normal Based Estimation of the Curvature Tensor for Triangular Meshes (2004)
Theisel,Holger, Rössl,Christian, Zayer,Rhaleb, Seidel,Hans-Peter
We introduce a new technique for estimating the curvature tensor of a triangular mesh. The input of the algorithm is only a single triangle equipped with its (exact or estimated) vertex normals. This...
Efficient Rendering of Strong Secondary Lighting in Photon Mapping Algorithm (2004)
Tawara,Takehiro, Myszkowski,Karol, Seidel,Hans-Peter
In this paper we propose an efficient algorithm for handling strong secondary light sources within the photon mapping framework. We introduce an additional photon map as an implicit representation of...
Laplacian Surface Editing (2004)
Sorkine,Olga, Lipman,Yaron, Cohen-Or,Daniel, Alexa,Marc, Rössl,Christian, Seidel,Hans-Peter
Surface editing operations commonly require geometric details of the surface to be preserved as much as possible. We argue that geometric detail is an intrinsic property of a surface and that,...
Spline Approximation of General Volumetric Data (2004)
Rössl,Christian, Zeilfelder,Frank, Nürnberger,Günther, Seidel,Hans-Peter
We present an efficient algorithm for approximating huge general volumetric data sets, i.e.~the data is given over arbitrarily shaped volumes and consists of up to millions of samples. The method is...
Visible Difference Predictor for High Dynamic Range Images (2004)
Mantiuk,Rafal, Myszkowski,Karol, Seidel,Hans-Peter
Since new imaging and rendering systems commonly use physically accurate lighting information in the form of High-Dynamic Range data, there is a need for an automatic visual quality assessment of the...
3D scattered data approximation with adaptive compactly supported radial basis functions (2004)
Ohtake,Yutaka, Belyaev,Alexander, Seidel,Hans-Peter
In this paper, we develop an adaptive RBF fitting procedure for a high quality approximation of a set of points scattered over a piecewise smooth surface. We use compactly supported RBFs whose...
Ridge-valley lines on meshes via implicit surface fitting (2004)
Ohtake,Yutaka, Belyaev,Alexander, Seidel,Hans-Peter
We propose a simple and effective method for detecting view- and scale-independent ridge-valley lines defined via first- and second-order curvature derivatives on shapes approximated by dense...
Perception-motivated High Dynamic Range Video Encoding (2004)
Mantiuk,Rafal, Krawczyk,Grzegorz, Myszkowski,Karol, Seidel,Hans-Peter
Due to rapid technological progress in high dynamic range (HDR) video capture and display, the efficient storage and transmission of such data is crucial for the completeness of any HDR imaging...
Differential Coordinates for Interactive Mesh Editing (2004)
Lipman,Yaron, Sorkine,Olga, Cohen-Or,Daniel, Levin,David, Rössl,Christian, Seidel,Hans-Peter
One of the main challenges in editing a mesh is to retain the visual appearance of the surface after applying various modifications. In this paper we advocate the use of linear differential...
Intelligent Mesh Scissoring Using 3D Snakes (2004)
Lee,Yunjin, Lee,Seungyong, Shamir,Ariel, Cohen-Or,Daniel, Seidel,Hans-Peter
Local compliance estimation via positive semi-definite constrained least squares (2004)
Krislock,Nathan, Lang,Jochen, Varah,Jim, Pai,Dinesh K., Seidel,Hans-Peter
Dimension of C1-splines on Type-6 Tetrahedral Partitions (2004)
Hangelbroek,Thomas, Nürnberger,Günther, Rössl,Christian, Seidel,Hans-Peter, Zeilfelder,Frank
We consider a linear space of piecewise polynomials in three variables which are globally smooth, i.e. trivariate C1-splines of arbitrary polynomial degree. The splines are defined on type-6...
MIMIC --- A Language for Specifying Facial Animations (2004)
Fuchs,Thomas, Haber,Jörg, Seidel,Hans-Peter
This paper introduces a versatile language for specifying facial animations. The language MIMIC can be used together with any facial animation system that employs animation parameters varying over...
A CAVE System for Interactive Modeling of Global Illumination in Car Interior (2004)
Dmitriev,Kirill, Annen,Thomas, Krawczyk,Grzegorz, Myszkowski,Karol, Seidel,Hans-Peter
Global illumination dramatically improves realistic appearance of rendered scenes, but usually it is neglected in VR systems due to its high costs. In this work we present an efficient global...
Progressive Path Tracing with Lightweight Local Error Estimation (2004)
Dmitriev,Kirill, Seidel,Hans-Peter
Adaptive sampling techniques typically applied in path tracing are not progressive. The reason is that they need all the samples used to compute pixel color for error estimation. Thus progressive...
Exchanging Faces in Images (2004)
Blanz,Volker, Scherbaum,Kristina, Vetter,Thomas, Seidel,Hans-Peter
M3: Marker-free Model Reconstruction and Motion Tracking from 3D Voxel Data (2004)
De Aguiar,Edilson, Theobalt,Christian, Magnor,Marcus, Theisel,Holger, Seidel,Hans-Peter
Pitching a Baseball - Tracking High-Speed Motion with Multi-Exposure Images (2004)
Theobalt,Christian, Albrecht,Irene, Haber,Joerg, Magnor,Marcus, Seidel,Hans-Peter
Combining 3D Flow Fields with Silhouette-based Human Motion Capture for Immersive Video (2004)
Theobalt,Christian, Carranza,Joel, Magnor,Marcus, Seidel,Hans-Peter
3D Video - Being Part of the Movie (2004)
Theobalt,Christian, Carranza,Joel, Magnor,Marcus, Seidel,Hans-Peter
Marker-free Kinematic Skeleton Estimation from Sequences of Volume Data (2004)
Theobalt,Christian, De Aguiar,Edilson, Magnor,Marcus, Theisel,Holger, Seidel,Hans-Peter
Multi-Video Compression in Texture Space (2004)
Ziegler,Gernot, Lensch,Hendrik P. A., Ahmed,Naveed, Magnor,Marcus, Seidel,Hans-Peter
We present a model-based approach to encode multiple synchronized video streams depicting a dynamic scene from different viewpoints. With approximate 3D scene geometry available, we compensate for...
Multi-Video Compression in Texture Space using 4D SPIHT (2004)
Ziegler,Gernot, Lensch,Hendrik, Magnor,Marcus, Seidel,Hans-Peter
Model-Based Free-Viewpoint Video Acquisition, Rendering and Encoding (2004)
Theobalt, Christian, Ziegler, Gernot, Magnor, Marcus, Seidel, Hans-Peter
Multi-Video Compression in Texture Space using 4D SPIHT (2004)
Ziegler, Gernot, Lensch, Hendrik, Magnor, Marcus, Seidel, Hans-Peter
Pitching a Baseball - Tracking High-Speed Motion with Multi-Exposure Images (2004)
Theobalt, Christian, Albrecht, Irene, Haber, Joerg, Magnor, Marcus, Seidel, Hans-Peter, Marks, Joe
Marker-free Kinematic Skeleton Estimation from Sequences of Volume Data (2004)
Theobalt, Christian, De Aguiar, Edilson, Magnor, Marcus, Theisel, Holger, Seidel, Hans-Peter, Lau, Rynson, ...
Combining 3D Flow Fields with Silhouette-based Human Motion Capture for Immersive Video (2004)
Theobalt, Christian, Carranza, Joel, Magnor, Marcus, Seidel, Hans-Peter
3D Video - Being Part of the Movie (2004)
Theobalt, Christian, Carranza, Joel, Magnor, Marcus, Seidel, Hans-Peter
A Hybrid Hardware-Accelerated Algorithm for High Quality Rendering of Visual Hulls (2004)
Li, Ming, Magnor, Marcus, Seidel, Hans-Peter, Heidrich, Wolfgang, Balakrishnan, Ravin
M3: Marker-free Model Reconstruction and Motion Tracking from 3D Voxel Data (2004)
De Aguiar, Edilson, Theobalt, Christian, Magnor, Marcus, Theisel, Holger, Seidel, Hans-Peter
Multi-Video Compression in Texture Space (2004)
Ziegler, Gernot, Lensch, Hendrik P. A., Ahmed, Naveed, Magnor, Marcus, Seidel, Hans-Peter
We present a model-based approach to encode multiple synchronized video streams depicting a dynamic scene from different viewpoints. With approximate 3D scene geometry available, we compensate for...
Reconstruction of Volume Data with Quadratic Super Splines (2004)
Rössl, Christian, Zeilfelder, Frank, Nürnberger, Günther, Seidel, Hans-Peter
We propose a new approach to reconstruct nondiscrete models from gridded volume samples. As a model, we use quadratic trivariate super splines on a uniform tetrahedral partition. We discuss the...
Spherical Harmonic Gradients for Mid-Range Illumination (2004)
Annen, Thomas, Kautz, Jan, Durand, Frédo, Seidel, Hans-Peter, Keller, Alexander, Jensen, Henrik Wann
Spherical harmonics are often used for compact description of incident radiance in low-frequency but distant lighting environments. For interaction with nearby emitters, computing the incident...
Validation of Color Managed 3D Appearance Acquisition (2004)
Goesele, Michael, Lensch, Hendrik P. A., Seidel, Hans-Peter
Image-based appearance acquisition algorithms are able to generate realistic 3D models of real objects but have previously not taken care of calibrated color space. We integrate a color managed...
Efficient Iterative Solvers for Angle Based Flattening (2004)
Zayer, Rhaleb, Rössl, Christian, Seidel, Hans-Peter, Girod, Bernd, Magnor, Marcus, Seidel, Hans-Peter
DISCO - Acquisition of Translucent Objects (2004)
Goesele, Michael, Lensch, Hendrik P. A., Lang, Jochen, Fuchs, Christian, Seidel, Hans-Peter, Marks, Joe
Translucent objects are characterized by diffuse light scattering beneath the object's surface. Light enters and leaves an object at possibly distinct surface locations. This paper presents the first...
A fast and simple stretch-minimizing mesh parameterization (2004)
Yoshizawa, Shin, Belyaev, Alexander, Seidel, Hans-Peter, Giannini, Franca, Pasko, Alexander
We propose a fast and simple method for generating a low-stretch mesh parameterization. Given a triangle mesh, we start from the Floater shape preserving parameterization and then improve the...
Variations of angle based flattening (2004)
Zayer, Rhaleb, Rössl, Christian, Seidel, Hans-Peter, Dodgson, Neil A., Floater, Michael S., Sabin, Malcom A.
Angle Based Flattening is a robust parameterization technique allowing a free boundary. The numerical optimization associated with the approach yields a challenging problem. We discuss several...
Stream Line and Path Line Oriented Topology for 2D Time-dependent Vector Fields (2004)
Theisel, Holger, Weinkauf, Tino, Hege, Hans-Christian, Seidel, Hans-Peter, Rushmeier, Holly, Turk, Greg, ...
Exploiting Temporal Coherence in Final Gathering for Dynamic Scenes (2004)
Tawara, Takehiro, Myszkowski, Karol, Seidel, Hans-Peter, Cohen-Or, Daniel, Jain, Lakhmi, Magnenat-Thalmann, Nadia
Efficient global illumination computation in dynamically changing environments is an important practical problem. In high-quality animation rendering costly "final gathering" technique is commonly...
Topology Preserving Thinning of Vector Fields on Triangular Meshes (2004)
Theisel, Holger, Rössl, Christian, Seidel, Hans-Peter, Dodgson, Neil A., Floater, Michael S., Sabin, Malcom A.
We consider the topology of piecewise linear vector fields whose domain is a piecewise linear 2-manifold, i.e. a triangular mesh. Such vector fields can describe simulated 2-dimensional flows, or...
Hardware-Accelerated Rendering of Photo Hulls (2004)
Li, Ming, Magnor, Marcus, Seidel, Hans-Peter, Cani, Marie-Paule, Slater, Mel
Grid-Independent Detection of Closed Stream Lines in 2D Vector Fields (2004)
Theisel, Holger, Weinkauf, Tino, Hege, Hans-Christian, Seidel, Hans-Peter, Girod, Bernd, Magnor, Marcus, ...
Topological Construction and Visualization of Higher Order 3D Vector Fields (2004)
Weinkauf, Tino, Theisel, Holger, Hege, Hans-Christian, Seidel, Hans-Peter, Cani, Marie-Paule, Slater, Mel
Exploiting Temporal Coherence in Global Illumination (an invited paper) (2004)
Tawara, Takehiro, Myszkowski, Karol, Dmitriev, Kirill, Havran, Vlastimil, Damez, Cyrille, Seidel, Hans-Peter, ...
Producing high quality animations featuring rich object appearance and compelling lighting effects is very time consuming using traditional frame-by-frame rendering systems. In this paper we present...
Real-Time Rendering of Human Hair using Programmable Graphics Hardware (2004)
Koster, Martin, Haber, Jörg, Seidel, Hans-Peter, Cohen-Or, Daniel, Jain, Lakhmi, Magnenat-Thalmann, Nadia
We present a hair model together with rendering algorithms suitable for real-time rendering. In our approach, we take into account the major lighting factors contributing to a realistic appearance of...
Polygonal decomposition of the 1-ring neighborhood of the Catmull-Clark scheme (2004)
Ivrissimtzis, Ioannis, Zayer, Rhaleb, Seidel, Hans-Peter, Giannini, Franca, Pasko, Alexander
Boundary Switch Connectors for Topological Visualization of Complex 3D Vector Fields (2004)
Weinkauf, Tino, Theisel, Holger, Hege, Hans-Christian, Seidel, Hans-Peter, Deussen, Oliver, Hansen, Charles, ...
Spatio-Temporal Photon Density Estimation Using Bilateral Filtering (2004)
Weber, Markus, Milch, Marco, Myszkowski, Karol, Dmitriev, Kirill, Rokita, Przemyslaw, Seidel, Hans-Peter, ...
Photon tracing and density estimation are well established techniques in global illumination computation and rendering of high-quality animation sequences. Using traditional density estimation...
Model-based Free-Viewpoint Video: Acquisition, Rendering, and Encoding (2004)
Theobalt, Christian, Ziegler, Gernot, Magnor, Marcus, Seidel, Hans-Peter
Normal Based Estimation of the Curvature Tensor for Triangular Meshes (2004)
Theisel, Holger, Rössl, Christian, Zayer, Rhaleb, Seidel, Hans-Peter, Cohen-Or, Daniel, Ko, Hyeong-Seok, ...
We introduce a new technique for estimating the curvature tensor of a triangular mesh. The input of the algorithm is only a single triangle equipped with its (exact or estimated) vertex normals. This...
Efficient Rendering of Strong Secondary Lighting in Photon Mapping Algorithm (2004)
Tawara, Takehiro, Myszkowski, Karol, Seidel, Hans-Peter, Lever, Paul G.
In this paper we propose an efficient algorithm for handling strong secondary light sources within the photon mapping framework. We introduce an additional photon map as an implicit representation of...
Laplacian Surface Editing (2004)
Sorkine, Olga, Lipman, Yaron, Cohen-Or, Daniel, Alexa, Marc, Rössl, Christian, Seidel, Hans-Peter, ...
Surface editing operations commonly require geometric details of the surface to be preserved as much as possible. We argue that geometric detail is an intrinsic property of a surface and that,...
Measurement-Based Interactive Simulation of Viscoelastic Solids (2004)
Schoner, Jeffrey L., Lang, Jochen, Seidel, Hans-Peter, Cani, Marie-Paule, Slater, Mel
Spline Approximation of General Volumetric Data (2004)
Rössl, Christian, Zeilfelder, Frank, Nürnberger, Günther, Seidel, Hans-Peter, Elber, Gershon, Patrikalakis, Nick, ...
We present an efficient algorithm for approximating huge general volumetric data sets, i.e.~the data is given over arbitrarily shaped volumes and consists of up to millions of samples. The method is...
Visible Difference Predictor for High Dynamic Range Images (2004)
Mantiuk, Rafal, Myszkowski, Karol, Seidel, Hans-Peter, Thissen, Wil, Wieringa, Peter, Pantic, Maja, ...
Since new imaging and rendering systems commonly use physically accurate lighting information in the form of High-Dynamic Range data, there is a need for an automatic visual quality assessment of the...
3D scattered data approximation with adaptive compactly supported radial basis functions (2004)
Ohtake, Yutaka, Belyaev, Alexander, Seidel, Hans-Peter, Giannini, Franca, Pasko, Alexander
In this paper, we develop an adaptive RBF fitting procedure for a high quality approximation of a set of points scattered over a piecewise smooth surface. We use compactly supported RBFs whose...
Ridge-valley lines on meshes via implicit surface fitting (2004)
Ohtake, Yutaka, Belyaev, Alexander, Seidel, Hans-Peter
We propose a simple and effective method for detecting view- and scale-independent ridge-valley lines defined via first- and second-order curvature derivatives on shapes approximated by dense...
Fast and Accurate Ray-Voxel Intersection Techniques for Iso-Surface Ray Tracing (2004)
Marmitt, Gerd, Kleer, Andreas, Friedrich, Heiko, Wald, Ingo, Slusallek, Philipp, Girod, Bernd, ...
Visualizing iso-surfaces of volumetric data sets is becoming increasingly important for many practical applications. One crucial task in iso-surface ray tracing is to find the correct intersection of...
Perception-motivated High Dynamic Range Video Encoding (2004)
Mantiuk, Rafal, Krawczyk, Grzegorz, Myszkowski, Karol, Seidel, Hans-Peter, Marks, Joe
Due to rapid technological progress in high dynamic range (HDR) video capture and display, the efficient storage and transmission of such data is crucial for the completeness of any HDR imaging...
Differential Coordinates for Interactive Mesh Editing (2004)
Lipman, Yaron, Sorkine, Olga, Cohen-Or, Daniel, Levin, David, Rössl, Christian, Seidel, Hans-Peter, ...
One of the main challenges in editing a mesh is to retain the visual appearance of the surface after applying various modifications. In this paper we advocate the use of linear differential...
Intelligent Mesh Scissoring Using 3D Snakes (2004)
Lee, Yunjin, Lee, Seungyong, Shamir, Ariel, Cohen-Or, Daniel, Seidel, Hans-Peter, Cohen-Or, Daniel, ...
Local compliance estimation via positive semi-definite constrained least squares (2004)
Krislock, Nathan, Lang, Jochen, Varah, Jim, Pai, Dinesh K., Seidel, Hans-Peter
Effective Use of Procedural Shaders in Animated Scenes (2004)
Kondratieva, Polina, Havran, Vlastimil, Seidel, Hans-Peter, Bubak, Marian, Van Albada, Geert Dick, Sloot, Peter M. A., ...
Ivrissimtzis, Ioannis, Lee, Yunjin, Lee, Seungyong, Jeong, Won-Ki, Seidel, Hans-Peter, Aloimonos, Yiannis, ...
Dimension of C1-splines on Type-6 Tetrahedral Partitions (2004)
Hangelbroek, Thomas, Nürnberger, Günther, Rössl, Christian, Seidel, Hans-Peter, Zeilfelder, Frank
We consider a linear space of piecewise polynomials in three variables which are globally smooth, i.e. trivariate C1-splines of arbitrary polynomial degree. The splines are defined on type-6...
Hierarchical Shape-Adaptive Quantization for Geometry Compression (2004)
Gumhold, Stefan, Girod, Bernd, Magnor, Marcus, Seidel, Hans-Peter
The compression of polygonal mesh geometry is still an active field of research as in 3d no theoretical bounds are known. This work proposes a geometry coding method based on predictive coding....
MIMIC --- A Language for Specifying Facial Animations (2004)
Fuchs, Thomas, Haber, Jörg, Seidel, Hans-Peter
This paper introduces a versatile language for specifying facial animations. The language MIMIC can be used together with any facial animation system that employs animation parameters varying over...
A CAVE System for Interactive Modeling of Global Illumination in Car Interior (2004)
Dmitriev, Kirill, Annen, Thomas, Krawczyk, Grzegorz, Myszkowski, Karol, Seidel, Hans-Peter, Lau, Rynson, ...
Global illumination dramatically improves realistic appearance of rendered scenes, but usually it is neglected in VR systems due to its high costs. In this work we present an efficient global...
Connectivity transformation for mesh metamorphosis (2004)
Ahn, Minsu, Lee, Seungyong, Seidel, Hans-Peter, Scopigno, Roberto, Zorin, Denis, Fellner, Dieter, ...
Progressive Path Tracing with Lightweight Local Error Estimation (2004)
Dmitriev, Kirill, Seidel, Hans-Peter, Girod, Bernd, Magnor, Marcus, Seidel, Hans-Peter
Adaptive sampling techniques typically applied in path tracing are not progressive. The reason is that they need all the samples used to compute pixel color for error estimation. Thus progressive...
A Statistical Method for Robust 3D Surface Reconstruction from Sparse Data (2004)
Blanz, Volker, Mehl, Albert, Vetter, Thomas, Seidel, Hans-Peter, Aloimonos, Yiannis, Taubin, Gabriel
Exchanging Faces in Images (2004)
Blanz, Volker, Scherbaum, Kristina, Vetter, Thomas, Seidel, Hans-Peter, Cani, Marie-Paule, Slater, Mel
Neural meshes : surface reconstruction with a learning algorithm (2004)
Ivrissimtzis, Ioannis, Jeong, Won-Ki, Lee, Seungyong, Lee, Yunjin, Seidel, Hans-Peter
Modeling hair using a wisp hair model (2004)
Haber, Jörg, Schmitt, Carina, Koster, Martin, Seidel, Hans-Peter
M3: Marker-free Model Reconstruction and Motion Tracking from 3D Voxel Data (2004)
De Aguiar, Edilson, Theobalt, Christian, Magnor, Marcus, Theisel, Holger, Seidel, Hans-Peter
Hardware-Accelerated Rendering of Photo Hulls (2004)
Li, Ming, Magnor, Marcus, Seidel, Hans-Peter, Cani, Marie-Paule, Slater, Mel
A Hybrid Hardware-Accelerated Algorithm for High Quality Rendering of Visual Hulls (2004)
Li, Ming, Magnor, Marcus, Seidel, Hans-Peter, Heidrich, Wolfgang, Balakrishnan, Ravin
Pitching a Baseball - Tracking High-Speed Motion with Multi-Exposure Images (2004)
Theobalt, Christian, Albrecht, Irene, Haber, Joerg, Magnor, Marcus, Seidel, Hans-Peter, Marks, Joe
Combining 3D Flow Fields with Silhouette-based Human Motion Capture for Immersive Video (2004)
Theobalt, Christian, Carranza, Joel, Magnor, Marcus, Seidel, Hans-Peter
3D Video - Being Part of the Movie (2004)
Theobalt, Christian, Carranza, Joel, Magnor, Marcus, Seidel, Hans-Peter
Marker-free Kinematic Skeleton Estimation from Sequences of Volume Data (2004)
Theobalt, Christian, De Aguiar, Edilson, Magnor, Marcus, Theisel, Holger, Seidel, Hans-Peter, Lau, Rynson, ...
Multi-Video Compression in Texture Space (2004)
Ziegler, Gernot, Lensch, Hendrik P. A., Ahmed, Naveed, Magnor, Marcus, Seidel, Hans-Peter
We present a model-based approach to encode multiple synchronized video streams depicting a dynamic scene from different viewpoints. With approximate 3D scene geometry available, we compensate for...
Multi-Video Compression in Texture Space using 4D SPIHT (2004)
Ziegler, Gernot, Lensch, Hendrik, Magnor, Marcus, Seidel, Hans-Peter
Perception-motivated high dynamic range video encoding (2004)
Rafał Mantiuk, Grzegorz Krawczyk, Karol Myszkowski, Hans-peter Seidel, Mpi Informatik
Figure 1: Gray-scale frames selected from a captured high dynamic range video sequence and perceptually lossless encoded using our technique. Refer to the inset windows and notice the possibility of...
MIMIC - A Language for Specifying Facial Animations (2004)
Thomas Fuchs, Jörg Haber, Hans-peter Seidel
This paper introduces a versatile language for specifying facial animations. The language Mimic can be used together with any facial animation system that employs animation parameters varying over...
A hybrid hardware-accelerated algorithm for high quality rendering of visual hulls (2004)
Ming Li, Marcus Magnor, Hans-peter Seidel
In this paper, a novel hybrid algorithm is presented for the fast construction and high-quality rendering of visual hulls. We combine the strengths of two complementary hardware-accelerated...
Real-Time Rendering of Human Hair using Programmable Graphics Hardware (2004)
Martin Koster, Jörg Haber, Hans-peter Seidel
We present a hair model together with rendering algorithms suitable for real-time rendering. In our approach, we take into account the major lighting factors contributing to a realistic appearance of...
Hardware-Accelerated Rendering of Photo Hulls (2004)
Ming Li, Marcus Magnor, Hans-peter Seidel
This paper presents an efficient hardware-accelerated method for novel view synthesis from a set of images or videos. Our method is based on the photo hull representation, which is the maximal...
Laplacian Surface Editing (2004)
Olga Sorkine, Daniel Cohen-or, Yaron Lipman, Christian Rössl, Hans-peter Seidel, ...
Surface editing operations commonly require geometric details of the surface to be preserved as much as possible. We argue that geometric detail is an intrinsic property of a surface and that,...
Multi-Video Compression In Texture Space (2004)
Gernot Ziegler Hendrik, Naveed Ahmed, Marcus Magnor, Hans-peter Seidel
We present a model-based approach to encode multiple synchronized video streams depicting a dynamic scene from different viewpoints. With approximate 3D scene geometry available, we compensate for...
Multi-Video Compression in Texture Space using 4D SPIHT (2004)
Gernot Ziegler Hendrik, Marcus Magnor, Hans-peter Seidel
We present a model-based approach to encode multiple synchronized video streams which show a dynamic scene from different viewpoints. By utilizing 3D scene geometry, we compensate for motion and...
Visible Difference Predicator for High Dynamic Range Images (2004)
Rafal Mantiuk, Karol Myszkowski, Hans-peter Seidel
Since new imaging and rendering systems commonly use physically accurate lighting information in the form of High-Dynamic Range data, there is a need for an automatic visual quality assessment of the...
A fast and simple stretch-minimizing mesh parameterization (2004)
Shin Yoshizawa, Alexander Belyaev, Hans-peter Seidel
We propose a fast and simple method for generating a low-stretch mesh parameterization. Given a triangle mesh, we start from the Floater shape preserving parameterization and then improve the...
Effective Use of Procedural Shaders in Animated Scenes (2004)
Polina Kondratieva, Vlastimil Havran, Hans-Peter Seidel
Complex procedural shaders are commonly used to enrich the appearance of high-quality computer animations. In traditional rendering architectures the shading computation is performed independently...
Model-based free-viewpoint video acquisition, rendering and encoding (2004)
Christian Theobalt, Gernot Ziegler, Marcus Magnor, Hans-peter Seidel
Abstract — In recent years, the convergence of computer vision and computer graphics has put forth free-viewpoint video as a new field of research. The goal is to advance traditional 2D video into...
Spherical Harmonic Gradients (2004)
Thomas Annen, Supervision Prof, Dr. Hans-peter Seidel, Prof Dr, Frédo Durand, Dr. Jan Kautz
Perception-motivated high dynamic range video encoding (2004)
Rafał Mantiuk, Grzegorz Krawczyk, Karol Myszkowski, Hans-peter Seidel, Mpi Informatik
Figure 1: Gray-scale frames selected from a captured high dynamic range video sequence and perceptually lossless encoded using our technique. Refer to the inset windows and notice the possibility of...
Kirill Dmitriev, Vlastimil Havran, Hans-peter Seidel, Kirill Dmitriev, Vlastimil Havran, Hans-peter Seidel
This paper presents a generic technique for acceleration of ray tracing of polygonal scenes. We propose scheduling rays in a way that forms pyramidal shafts. We show that under certain conditions...
H.-P.: Spatiotemporal photon density estimation using bilateral filtering (2004)
Markus Weber, Marco Milch, Karol Myszkowski, Kirill Dmitriev, Przemyslaw Rokita, Hans-peter Seidel
Photon tracing and density estimation are well established techniques in global illumination computation and rendering of high-quality animation sequences. Using traditional density estimation...
A statistical method for robust 3D surface reconstruction from sparse data (2004)
Volker Blanz, Albert Mehl, Thomas Vetter, Hans-peter Seidel
General information about a class of objects, such as human faces or teeth, can help to solve the otherwise ill-posed problem of reconstructing a complete surface from sparse 3D feature points or 2D...
A cave system for interactive modeling of global illumination in car interior (2004)
Kirill Dmitriev, Thomas Annen, Grzegorz Krawczyk, Karol Myszkowski, Hans-peter Seidel
Global illumination dramatically improves realistic appearance of rendered scenes, but usually it is neglected in VR systems due to its high costs. In this work we present an efficient global...
I. P. Ivrissimtzis, S. Lee, Y. Lee, Ioannis Ivrissimtzis, ...
In this paper we propose a Learning algorithm for surface reconstruction. Our algorithm simulates an incrementally expanding neural network which learns a point cloud through a competitive learning...
Efficient Ray Tracing of Trimmed NURBS Surfaces (2004)
Saarbrücken Germany, Alexander Efremov, Supervisors Dr. Vlastimil Havran, Prof Dr, Hans-peter Seidel
Statement under Oath Hereby I declare on oath that I have drafted the following thesis independently, that I have used the stated sources and means only, and that I have not presented this work at a...
Multi-video compression in texture space (2004)
Gernot Ziegler, Marcus Magnor, Hans-peter Seidel
Abstract — We present a model-based approach to encode multiple synchronized video streams which show a dynamic scene from different viewpoints. By utilizing 3D scene geometry, we compensate for...
Mesh compression with random accessibility (2004)
Sungyul Choe, Junho Kim, Hans-peter Seidel
Previous mesh compression techniques provide nice properties such as high compression ratio, progressive decoding, and out-of-core processing. However, none of them supports the random accessibility...