Efficient trimmed nurbs tessellation (2009)
Ákos Balázs, Michael Guthe, Reinhard Klein
Interactive rendering of trimmed NURBS models is of great importance for CAD systems. For this the model needs to be transformed into a polygonal representation. This transformation can be either...
Moder, Florian, Oczipka, Martin, Siegert, Florian, Lehmann, Frank, Djajadihardaja, Yusuf S., Klein, Reinhard, ...
Michael Guthe, Ákos Balázs, Reinhard Klein
The most efficient general occlusion culling techniques are based on hardware accelerated occlusion queries. Although in many cases these techniques can considerably improve performance, they may...
Abstract Hardware-accelerated ambient occlusion computation (2008)
Mirko Sattler, Ralf Sarlette, Gabriel Zachmann, Reinhard Klein
In this paper, we present a novel, hardwareaccelerated approach to compute the visibility between surface points and directional light sources. Thus, our method provides a first-order approximation...
Stephan Michael Bischoff, Aus Pforzheim, Berichter Prof, ...
zur Erlangung des akademischen Grades eines
Abstract Hardware-accelerated ambient occlusion computation (2008)
Mirko Sattler, Ralf Sarlette, Gabriel Zachmann, Reinhard Klein
In this paper, we present a novel, hardwareaccelerated approach to compute the visibility between surface points and directional light sources. Thus, our method provides a first-order approximation...
Per Christensen and Daniel Cohen-Or (Editors) Efficient and Realistic Visualization of Cloth (2008)
Mirko Sattler, Ralf Sarlette, Reinhard Klein
Efficient and realistic rendering of cloth is of great interest especially in the context of e-commerce. Aside from the simulation of cloth draping, the rendering has to provide the "look...
Shape Recognition in 3D Point-Clouds (2008)
R. Wahl, R. Wessel, R. Klein, Ruwen Schnabel, Roland Wahl, Raoul Wessel, ...
Currently, tasks as basic as selecting all windows in a 3d laser scan of a house currently require a disproportional amount of user interaction. We present a flexible framework for the rapid...
Texture Atlas Generation for Inconsistent Meshes and Point Sets (2008)
Patrick Degener, Reinhard Klein
In order to compute texture atlases with low stretch and hardly visible texture seams existing texture mapping tools pose high demands on the quality of surface representations like consistent...
Michael Guthe, Ákos Balázs, Reinhard Klein
Trimmed NURBS are the standard surface representation used in CAD/CAM systems and accurate visualization of trimmed NURBS models at interactive frame rates is of great interest for industry. To...
Enhancing Fourier Volume Rendering using Contour Extraction (2008)
Zoltán Nagy, Marcin Novotni, Reinhard Klein
Abstract. Fourier Volume Rendering (FVR) has received considerable attention in volume visualization during the last decade due its O(N 2 logN) rendering time complexity, where O(N 3) is the volume...
Surface Light Field Rendering for Virtual Product Design (2008)
Jan Meseth, Gero Müller, Reinhard Klein
Abstract. Interior and material designers currently refuse to employ Virtual Prototyping software due to potential errors in computer generated images. In this paper we propose real-time rendering of...
Mirko Sattler, Ralf Sarlette, Reinhard Klein
Efficient and realistic rendering of cloth is of great interest especially in the context of e-commerce. Aside from the simulation of cloth draping, the rendering has to provide the "look...
Rapid Synchronous Acquisition of Geometry and Appearance of Cultural Heritage Artefacts (2008)
M. Mudge, N. Ryan, R. Scopigno (editors, Gero Müller, Gerhard H. Bendels, Reinhard Klein
In order to produce visually appealing digital models of cultural heritage artefacts, a meticulous reconstruction of the 3D geometry alone is often not sufficient, as colour and reflectance...
Image-Based Registration of 3D-Range Data Using Feature Surface Elements (2008)
Y. Chrysanthou, K. Cain, N. Silberman, F. Niccolucci (editors, Gerhard Heinrich Bendels, Patrick Degener, ...
Digitizing real-life objects via range scanners, stereo vision or tactile sensors usually requires the composition of multiple range images. In this paper we exploit intensity images often recorded...
Simple and Efficient Mesh Editing with Consistent Local Frames (2008)
Nikolas Paries, Patrick Degener, Reinhard Klein, Nikolas Paries, Patrick Degener, Reinhard Klein
Mesh editing methods based on differential surface representations like Poisson editing, Laplacian or rotationinvariant coordinates have recently gained much interest as they are both efficient and...
Gerhard H. Bendels, Reinhard Klein, Mandana Samimi, Alfred Schmitz
In this paper we describe a medical application where we exploit surface properties (measured in form of 3D-Range scans of the human back) to derive a-priori unknown additional properties of the...
A Parallelly Decodeable Compression Scheme for Efficient Point-Cloud Rendering (2008)
M. Botsch, R. Pajarola (editors, Ruwen Schnabel, Sebastian Möser, Reinhard Klein
We present a point-cloud compression algorithm that allows fast parallel decompression on the GPU for interactive applications. We achieve bitrates of less than four bits per normal-equipped point....
Gero Müller, Ralf Sarlette, Reinhard Klein
appearance but the user is currently not capable of changing this appearance in an effective and intuitive way. Such editing operations would require a low-dimensional but expressive model for...
Abstract Mesh Reduction with Error Control (2008)
Reinhard Klein, Gunther Liebich, W. Straßer
In many cases the surfaces of geometric models consist of a large number of triangles. Several algorithms were developed to reduce the number of triangles required to approximate such objects....
Er Greß, Michael Guthe, Reinhard Klein
Based on the potential of current programmable GPUs, recently several approaches were developed that use the GPU to calculate deformations of surfaces like the folding of cloth or to convert higher...
Reinhard Klein, Andreas Schilling
Efficient rendering of multiresolution meshes with guaranteed
Michael Guthe, Ákos Balázs, Reinhard Klein
environment mapping; Mini model consisting of 629 trimmed surfaces; with shadow maps; closeup onto the front wheel. As there is no hardware support neither for rendering trimmed NURBS – the...
Eurographics Symposium on Rendering (2004) (2008)
H. W. Jensen, A. Keller (editors, Michael Guthe, Pavel Borodin, Ákos Balázs, Reinhard Klein
Real-time appearance preserving out-of-core rendering with shadows
Construction Of The Constrained Delaunay Triangulation Of A Polygonal Domain (2008)
A fast and easy to implement divide-and-conquer algorithm is presented for the construction of the Constrained Delaunay triangulation of a polygonal domain. The algorithm simplifies the complicated...
Simple and efficient compression of animation sequences (2008)
K. Anjyo, P. Faloutsos (editors, Mirko Sattler, Ralf Sarlette, Reinhard Klein
Figure 1: Sample frames of the compressed chicken sequence with 10 clusters, each colored differently. We present a new geometry compression method for animations, which is based on the clustered...
SEMI-AUTOMATIC LANDFORM MAPPING AT STEEP SLOPES (2008)
Martin Schneider, Reinhard Klein
The traditional mapping on digital aerial photos and elevation models has its limits at steep slopes where the surface is only very sparsely sampled even in high resolution data sets. As a...
Eurographics Symposium on Point-Based Graphics (2006) (2008)
M. Botsch, B. Chen (editors, Ruwen Schnabel, Reinhard Klein
In this paper we present a progressive compression method for point sampled models that is specifically apt at dealing with densely sampled surface geometry. The compression is lossless and therefore...
Reinhard Klein, Bärbel Ruttkowski, Sonja Schwab, Thomas Peterbauer, Brian Salmons, Walter H. Günzburg, ...
Gene directed-enzyme prodrug therapy (GDEPT) is an approach for sensitization of tumor cells to an enzymatically activated, otherwise nontoxic, prodrug. Cytochrome P450 2B1 (CYP2B1) metabolizes the...
Reinhard Klein, Bärbel Ruttkowski, Sonja Schwab, Thomas Peterbauer, Brian Salmons, Walter H. Günzburg, ...
Gene directed-enzyme prodrug therapy (GDEPT) is an approach for sensitization of tumor cells to an enzymatically activated, otherwise nontoxic, prodrug. Cytochrome P450 2B1 (CYP2B1) metabolizes the...
Progressive Gap Closing for Mesh Repairing Abstract (2007)
Pavel Borodin, Marcin Novotni, Reinhard Klein
Modern 3D acquisition and modeling tools generate high-quality, detailed geometric models. However, in order to cope with the associated complexity, several mesh decimation methods have been...
Jan Meseth, Gero Müller, Reinhard Klein
The Bidirectional Texture Function (BTF) is a suitable representation for the appearance of highly detailed surface structures under varying illumination and viewing conditions. Since real-time...
Reinhard Klein, Andreas Schilling Y
One simple and robust way to get a reconstruction of surfaces from a given contour stack dealing well with branching and other problems which are generally difficult to solve is based on the well...
Andreas G. Schilling, Reinhard Klein, Graphisch-interaktive Systeme
of multiresolution meshes
Efficient Multiresolution Models for progressive Terrain Rendering (2007)
Reinhard Klein, Andreas Schilling Ý
This paper deals with the problem of simplifying, transmitting and rendering large textured terrain models. The terrain is rendered from a hierarchy of quadratic tiles of geometry. Each of these...
(Workshop Chairs) Geometric 3D Comparison – an Application (2007)
D. W. Fellner, N. Fuhr, I. Witten, Marcin Novotni, Reinhard Klein
With the advent of powerful 3D visualization, modeling and scanning techniques, there is an increasing need for tools supporting the automatic search for objects in 3D archives. In this paper we...
Abstract Automated finite element modeling of a human mandible with dental implants (2007)
Stefan Fütterling, Reinhard Klein, Wolfgang Straßer, Heiner Weber, Graphisch Interaktive Systeme
This paper presents an automated procedure to generate a three-dimensional finite element model of an individual patient’s mandible with dental implants inserted. The reconstruction of the geometry...
Easy-to-use calibration of multiple-camera setups (2007)
Kahlesz, Ferenc, Lilge, Cornelius, Klein, Reinhard
Calibration of the pinhole camera model has a well-established theory, especially in the presence of a known calibration object. Unfortunately, in wide-base multi-camera setups, it is hard to create...
Diplomarbeit Robust Automatic Registration of Range Images with Reflectance (2007)
Marcel Körtgen, Gutachter Prof, Dr. Reinhard Klein, Prof Dr, Daniel Cremers, Betreuer Dipl. -inform, ...
Hiermit versichere ich, dass ich die Arbeit selbständig verfasst und keine anderen als die
Data-driven local coordinate systems for image-based rendering (2006)
Gero Müller, Ralf Sarlette, Reinhard Klein
Image-based representations of an object profit from known geometry. The more accurate this geometry is known, the better corresponding pixels in the different images can be aligned, which leads to...
R.: Correspondences between Salient Points on 3D Shapes (2006)
R. Wessel, M. Novotni, R. Klein, Raoul Wessel, Marcin Novotni, Reinhard Klein
Establishing correspondences between salient points on 3D shapes results in a function mapping similar parts of 3D objects. In this paper, we present a new method for establishing binary...
Identifying Planes in Point-Clouds for Efficient Hybrid Rendering (2005)
Roland Wahl, Michael Guthe, Reinhard Klein
We present a hybrid rendering technique for highfeature colored point clouds that achieves both, high performance and high quality. Planar subsets in the point cloud are identified to drastically...
Correspondence generation and matching of 3D shape subparts (2005)
Marcin Novotni, Patrick Degener, Reinhard Klein
The task of setting up correspondences between 3D shapes is a prerequisite for numerous computer graphics applications, which has been performed manually up to now. We present an automatic method for...
Evaluation of Kernel Based Methods for Relevance Feedback (2005)
Marcin Novotni, Gil-joo Park, Raoul Wessel, Reinhard Klein
Relevance feedback in information retrieval is an iterative search technique to bridge the semantic gap between the high level user intention and low level data representation. The main motivation...
Fast and Accurate Hausdorff Distance Calculation between Meshes (2005)
Michael Guthe, Pavel Borodin, Reinhard Klein
Complex models generated e.g. with a laser range scanner often consist of several thousand or million triangles. For efficient rendering this high number of primitives has to be reduced. An important...
Exploitation of human shadow perception for fast shadow rendering (2005)
Mirko Sattler, Ralf Sarlette, Thomas Mücken, Reinhard Klein
Figure 1: Visual perception of shadows. Decreasing level-of-detail for the shadow caster object from left to right. Hard shadows cast by a point light source (top row) and soft shadows cast by an...
Fast distance field interpolation for reconstruction of surfaces from contoursure (2004)
Klein, Reinhard, Schilling, Andreas G.
One simple and robust way to get a reconstruction of surfaces from a given contour stack dealing well with branching and other problems which are generally difficult to solve is based on the well...
Consistent Normal Orientation for Polygonal Meshes (2004)
Pavel Borodin, Gabriel Zachmann, Reinhard Klein
In this paper, we propose a new method that can consistently orient all normals of any mesh (if at all possible), while ensuring that most polygons are seen with their front-faces from most...
Consistent Normal Orientation for Polygonal Meshes (2004)
Pavel Borodin, Gabriel Zachmann, Reinhard Klein
In this paper, we propose a new method that can consistently orient all normals of any mesh (if at all possible) , while ensuring that most polygons are seen with their front-faces from most...
Consistent Normal Orientation for Polygonal Meshes (2004)
Pavel Borodin, Gabriel Zachmann, Reinhard Klein
In this paper, we propose a new method that can consistently orient all normals of any mesh (if at all possible), while ensuring that most polygons are seen with their front-faces from most...
Efficient representation and extraction of 2manifold isosurfaces using kd-trees (2004)
In this paper, we propose the utilization of a kd-tree based hierarchy as an implicit object representation. Compared to an octree, the kd-tree based hierarchy is superior in terms of adaptation to...
R.: Real-time out-of-core trimmed nurbs rendering and editing (2004)
Michael Guthe, Ákos Balázs, Reinhard Klein
For rendering purposes trimmed NURBS surfaces have to be converted into a polygonal representation. In order to fulfill the high quality visualization demands posed by various design and quality...
Scalable compression and rendering of textured terrain data (2004)
Roland Wahl, Manuel Massing, Patrick Degener, Michael Guthe, Reinhard Klein
Several sophisticated methods are available for efficient rendering of out-of-core terrain data sets. For huge data sets the use of preprocessed tiles has proven to be more efficient than continuous...
Shape retrieval using 3d zernike descriptors (2004)
Marcin Novotni, Reinhard Klein
We advocate the usage of 3D Zernike invariants as descriptors for 3D shape retrieval. The basis polynomials of this representation facilitate computation of invariants under rotation, translation and...
Visual-fidelity dataglove calibration (2004)
Ferenc Kahlesz, Gabriel Zachmann, Reinhard Klein
This paper presents a novel calibration method for datagloves with many degrees of freedom 1. The goal of our method is to establish a mapping from the sensor values of the glove to the joint angles...
High-quality silhouette illustration for texturebased volume rendering (2004)
We present an accurate, interactive silhouette extraction mechanism for texture-based volume rendering. Compared to previous approaches, our system guarantees silhouettes of a user controlled width...
Consistent Normal Orientation for Polygonal Meshes (2004)
Pavel Borodin, Gabriel Zachmann, Reinhard Klein
In this paper, we propose a new method that can consistently orient all normals of any mesh (if at all possible) , while ensuring that most polygons are seen with their front-faces from most...
Scalable compression and rendering of textured terrain data (2004)
Roland Wahl, Manuel Massing, Patrick Degener, Michael Guthe, Reinhard Klein
Several sophisticated methods are available for efficient rendering of out-of-core terrain data sets. For huge data sets the use of preprocessed tiles has proven to be more efficient than continuous...
Neural Meshes: Statistical Learning based on Normals (2003)
Jeong, Won-Ki, Ivrissimtzis, Ioannis, Seidel, Hans-Peter, Rokne, Jon, Klein, Reinhard, Wang, Wenping
Efficient Rendering of Local Subsurface Scattering (2003)
Mertens, Tom, Kautz, Jan, Bekaert, Philippe, Seidel, Hans-Peter, Van Reeth, Frank, Rokne, Jon, ...
Enhancing Silhouette-based Human Motion Capture with 3D Motion Fields (2003)
Theobalt, Christian, Carranza, Joel, Magnor, Marcus, Seidel, Hans-Peter, Rokne, Jon, Klein, Reinhard, ...
High-quality non-intrusive human motion capture is necessary for acquistion of model-based free-viewpoint video of human actors. Silhouette-based approaches have demonstrated that they are able to...
Enhancing Silhouette-based Human Motion Capture with 3D Motion Fields (2003)
Theobalt, Christian, Carranza, Joel, Magnor, Marcus, Seidel, Hans-Peter, Rokne, Jon, Klein, Reinhard, ...
High-quality non-intrusive human motion capture is necessary for acquistion of model-based free-viewpoint video of human actors. Silhouette-based approaches have demonstrated that they are able to...
Combining Topological Simplification and Topology Preserving Compression for 2D Vector Fields (2003)
Theisel, Holger, Rössl, Christian, Seidel, Hans-Peter, Rokne, Jon, Klein, Reinhard, Wang, Wenping
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...
Interactive Visualization of Complex Real-World Light Sources (2003)
Granier, Xavier, Goesele, Michael, Heidrich, Wolfgang, Seidel, Hans-Peter, Rokne, Jon, Klein, Reinhard, ...
Interactive visualization of complex, real-world light sources has so far not been feasible. In this paper, we present an hardware accelerated direct lighting algorithm based on a recent high quality...
Image and 3D-object editing with precisely specified editing regions (2003)
Gerhard Bendels, Reinhard Klein, ASndreas Schilling
In this paper we present a new approach to the editing of polygons, images and triangulated surface meshes featuring the exact specification of the area that is being edited, the area that remains...
Out-of-core simplification with guaranteed error tolerance (2003)
Pavel Borodin, Michael Guthe, Reinhard Klein
In this paper we present a high quality end-to-end out-of-core mesh simplification algorithm that is capable to guarantee a given geometric error compared to the original model. The method consists...
Depth-Peeling for Texture-Based Volume Rendering (2003)
We present the concept of volumetric depth-peeling. The proposed method is conceived to render interior and exterior iso-surfaces for a fixed iso-value and to blend them without the need to render...
RealReflect - Real-time Visualization of Complex Reflectance Behaviour in Virtual Protoyping (2003)
Reinhard Klein, Jan Meseth, Gero Müller, Ralf Sarlette, Michael Guthe, Ákos Balázs
Conventional Virtual Reality (VR) is already being used in the design process for styling reviews on a daily basis, but until now only object shape can be assessed in a meaningful way, and neither...
Image and 3D-Object Editing with Precisely Specified Editing Regions (2003)
Gerhard Bendels, Reinhard Klein, Andreas Schilling
In this paper we present a new approach to the editing of polygons, images and triangulated surface meshes featuring the exact specification of the area that is being edited, the area that remains...
Efficient view-dependent out-of-core visualization (2003)
Michael Guthe, Pavel Borodin, Reinhard Klein
Hierarchical levels of details (HLODs) have proven to be an efficient way to visualize complex environments and models even in an out-of-core system. Large objects are partitioned into a spatial...
R.: Btf rendering for virtual environments (2003)
Jan Meseth, Gero Müller, Mirko Sattler, Reinhard Klein
Virtual Environments mostly try to convey as realistic as possible impressions. Among other senses, the eye provides the users with the most important inputs. Achieving visual realism typically...
Efficient NURBS rendering using view-dependent lod and normal maps (2003)
Rendering large trimmed NURBS models with high quality at interactive frame rates is of great interest for industry, since nearly all their models are designed on the basis of this surface type. Most...
3D shape matching with 3D shape contexts (2003)
Marcel Körtgen, Marcin Novotni, Reinhard Klein
Content based 3D shape retrieval for broad domains like the World Wide Web has recently gained considerable attention in Computer Graphics community. One of the main challenges in this context is the...
Intersection free simplification (2003)
Stefan Gumhold, Pavel Borodin, Reinhard Klein
Triangle mesh decimation and multi-resolution techniques are widely used in visualization applications for huge scenes. A large collection of different simplification algorithms exists in order to...
Efficient NURBS rendering using view-dependent lod and normal maps (2003)
Rendering large trimmed NURBS models with high quality at interactive frame rates is of great interest for industry, since nearly all their models are designed on the basis of this surface type. Most...
Cloth Animation and Rendering -- Eurographics 2002 Tutorial Notes (2002)
Hauth,Michael, Etzmuss,Olaf, Eberhardt,Bernd, Klein,Reinhard, Sarlette,Ralf, Sattler,Mirko, ...
Cloth Animation and Rendering -- Eurographics 2002 Tutorial Notes (2002)
Hauth, Michael, Etzmuss, Olaf, Eberhardt, Bernd, Klein, Reinhard, Sarlette, Ralf, Sattler, Mirko, ...
Multiresolution rendering by sewing trimmed NURBS surfaces (2002)
Ferenc Kahlesz, Ákos Balázs, Reinhard Klein
Most of the industrial parts are designed as trimmed NURBS. For their efficient rendering multiresolution models are needed. To create such models without artifacts at the trimming curves, one needs...
Computing geodesic distances on triangular meshes (2002)
Marcin Novotni, Reinhard Klein
We present an approximation method to compute geodesic distances on triangulated domains in the three dimensional space. Our particular approach is based on the Fast Marching Method for solving the...
Object-Centered navigation in virtual construction applications (2001)
Colette Elcacho, Thomas Dingel, Reinhard Klein
In this paper we present a novel concept for navigation in virtual environments. While a variety of navigation metaphors have been proposed for immersive VR, desktop scenarios are typically based on...
Efficient Multiresolution Models for progressive Terrain Rendering (2001)
Efficient Multiresolution Models, Reinhard Klein, Andreas Schilling
This paper deals with the problem of simplifying, transmitting and rendering large textured terrain models. The terrain is rendered from a hierarchy of quadratic tiles of geometry. Each of these...
Object-Centered navigation in virtual construction applications (2001)
Colette Elcacho, Thomas Dingel, Reinhard Klein
In this paper we present a novel concept for navigation in virtual environments. While a variety of navigation metaphors have been proposed for immersive VR, desktop scenarios are typically based on...
Texture dependent refinement of multiresolution meshes (1999)
Schilling, Andreas G., Klein, Reinhard
Veröffentlichung des Wilhelm-Schickard-Institut für Informatik Universität Tübingen
Fast distance field interpolation for reconstruction of surfaces from contours (1999)
Andreas G. Schilling, Reinhard Klein, Graphisch-interaktive Systeme
from Contours One simple and robust way to get a reconstruction of surfaces from a given contour stack dealing well with branching and other problems which are generally difficult to solve is based...
Fast distance field interpolation for reconstruction of surfaces from contours (1999)
Reinhard Klein, Andreas Schilling Y
One simple and robust way to get a reconstruction of surfaces from a given contour stack dealing well with branching and other problems which are generally difficult to solve is based on the well...
Illumination dependent refinement of multiresolution meshes (1998)
Reinhard Klein, Andreas Schilling, Wolfgang Straßer
State of the art multiresolution modeling allows to selectively refine a coarse mesh of an object on the visually important parts. In this way it is possible to render the geometry of a given object...
Fast generation of multiresolution surfaces from contours, in (1998)
Andreas Schilling, Reinhard Klein
Abstract. Surface reconstruction from contours is an important problem especially in medical applications. Other uses include reconstruction from topographic data, or isosurface generation in...
Incremental View-dependent Multiresolution Triangulation of Terrain (1998)
Reinhard Klein, Tobias Hüttner
A view-dependent multiresolution triangulation algorithm is presented for a real-time flythrough. The triangulation of the terrain is generated incrementally onthe -fly during the rendering time. We...
Compression of Discrete Multiresolution Models (1998)
Stefan Gumhold, Reinhard Klein, Graphische Interaktive Systeme
Contents 1 Introduction to Multiresolution Modeling 1 2 Overview of Multiresolution Models 2 2.1 Multiresolution Based on Delaunay Triangulation . . . . . . . . . . . . . . . . . . . . . . 3 2.2...
Compression of Discrete Multiresolution Models (1998)
Stefan Gumhold, Reinhard Klein, Graphische Interaktive Systeme
Contents 1 Introduction to Multiresolution Modeling 1 2 Overview of Multiresolution Models 2 2.1 Multiresolution Based on Delaunay Triangulation . . . . . . . . . . . . . . . . . . . . . . 3 2.2...
Data Compression of Multiresolution Surfaces (1998)
Reinhard Klein, Stefan Gumhold
. In this paper we introduce a new compressed representation for multiresolution models (MRM) of triangulated surfaces of 3D-objects. Associated with the representation we present compression and...
Data Compression of Multiresolution Surfaces (1998)
Reinhard Klein, Stefan Gumhold
In this paper we introduce a new compressed representation for multiresolution models (MRM) of triangulated surfaces of 3D-objects. Associated with the representation we present compression and...
Using a Modular Construction Kit for the Realization of (1998)
An Interactive Computer, Reinhard Klein, Frank Hanisch
In [8] we described the concept and realization of a interactive computer graphics course combining lectures, example applets, programming exercises, documentation etc. within a common sophisticated...
Rendering of Multiresolution Models With Texture (1998)
Andreas Schilling And, Reinhard Klein
State of the art multiresolution modeling allows to selectively refine a coarse mesh of an object on the visually important parts. In this way it is possible to render the geometry of a given object...
Reinhard Klein, Frank Hanisch, Graphisch Interaktive Systeme
www.gris.uni-tuebingen.de Abstract Topics within computer graphics still cannot be adequately presented and explored with traditional teaching methodologies and tools. An integrative approach to...
Data compression of multiresolution surfaces (1998)
Reinhard Klein, Stefan Gumhold
Abstract. In this paper we introduce a new compressed representation for multiresolution models (MRM) of triangulated surfaces of 3D-objects. Associated with the representation we present compression...
Illumination dependent refinement of multiresolution meshes (1998)
Reinhard Klein, Andreas Schilling, Wolfgang Straßer
State of the art multiresolution modeling allows to selectively refine a coarse mesh of an object on the visually important parts. In this way it is possible to render the geometry of a given object...
Fast generation of multiresolution surfaces from contours, in (1998)
Andreas Schilling, Reinhard Klein
Abstract. Surface reconstruction from contours is an important problem especially in medical applications. Other uses include reconstruction from topographic data, or isosurface generation in...
Multiresolution representations for surface meshes (1997)
We describe a method for constructing multi resolution models (MRM) of complex triangle meshes and show how these representations can be used to create view dependent adaptive approximations of...
Building Multiresolution Models for Fast Interactive Visualization (1997)
Reinhard Klein, Jörg Krämer, Jorg Kramer
In this paper we describe a new method for constructing a multi-resolution representation for complex triangle meshes and we describe a new algorithme to refine and to coarsen a simplified mesh at...
Incremental viewdependent multiresolution triangulation of terrain (1997)
A view-dependent multiresolution triangulation algorithm is presented for a real-time flythrough. The triangulation of the terrain is generated incrementally onthe-fly during the rendering time. We...
An object-oriented approach to curves and surfaces (1996)
Reinhard Klein, Andreas Kolb, G Unther Greiner
Applications in computer graphics and geometric modeling generally require the integration of a variety of curve and surface types into a single system. Object-oriented design offers the opportunity...
Mesh Reduction with Error Control (1996)
Reinhard Klein, Gunther Liebich, W. Straßer
In many cases the surfaces of geometric models consist of a large number of triangles. Several algorithms were developed to reduce the number of triangles required to approximate such objects....
Generation of Multiresolution Models from CAD - Data for Real Time Rendering (1996)
. A mesh refinement and a mesh simplification algorithm are presented. Both algorithms guarantee a user-defined error tolerance and deliver a multiresolution model. After the computation of the...
Reinhard Klein, Tobias Hüttner
We present a new simple approach for managing camera dependent approximations of discrete topographic surfaces. First we describe the relation between the camera position, viewing parameters and...
Generation of multiresolution models from CAD data for real time rendering (1996)
Abstract. A mesh refinement and a mesh simplification algorithm are presented. Both algorithms guarantee a user-defined error tolerance and deliver a multiresolution model. After the computation of...
An object-oriented approach to curves and surfaces (1996)
Reinhard Klein, Andreas Kolb, Günther Greiner
Applications in computer graphics and geometric modeling generally require the integration of a variety of curve and surface types into a single system. Object-oriented design offers the opportunity...
Mesh Generation from Boundary Models with Parametric Face Representation (1995)
Reinhard Klein, Wolfgang Straßer, Bundesrepublik Deutschland
The triangulation of boundary representation geometries (BRep geometries) is neccessary for display generation, stereo-lithography applications and also finite element mesh (FE mesh) generation. The...
Linear Approximation of Trimmed Surfaces (1994)
Introduction Parametric surfaces in various representations, such as B'ezier-and B-spline-tensorproduct patches, triangular patches etc., play an important role in CAGD-applications. Connecting...
Object-oriented framework for curves and surfaces (1992)
Reinhard Klein, Andreas Kolb, Gunther Greiner
Abstract. In computer graphics and geometric modeling one generally faces the problem to integrate a variety of curve and surface types into a single program. Object-oriented design offers the...
Oxidative Nitrosylierung von Nitrosyl-metall-Komplexen / (1978)
Thesis (doctoral)--Technische Universität München, 1978.
Hand, Nicholas J., Klein, Reinhard, Laskewitz, Anke, Pohlschröder, Mechthild
The majority of secretory proteins are translocated into and across hydrophobic membranes via the universally conserved Sec pore. Accessory proteins, including the SecDF-YajC Escherichia coli...
Hand, Nicholas J., Klein, Reinhard, Laskewitz, Anke, Pohlschröder, Mechthild
The majority of secretory proteins are translocated into and across hydrophobic membranes via the universally conserved Sec pore. Accessory proteins, including the SecDF-YajC Escherichia coli...
Klein, Reinhard, Ruttkowski, Bärbel, Schwab, Sonja, Peterbauer, Thomas, Salmons, Brian, Günzburg, Walter H., ...
Gene directed-enzyme prodrug therapy (GDEPT) is an approach for sensitization of tumor cells to an enzymatically activated, otherwise nontoxic, prodrug. Cytochrome P450 2B1 (CYP2B1) metabolizes the...