Zuverlässigkeit von Fichten-Brettschichtholz mit modifiziertem Aufbau (2009)
Blaß, Hans-Joachim, Frese, Matthias, Glos, Peter, Denzler, J., Linsenmann, P., Ranta-Maunus, A.
Combined GKLT feature tracking and reconstruction for next best view planning (2009)
Trummer, M., Munkelt, C., Denzler, J.
Guided Kanade-Lucas-Tomasi (GKLT) tracking is a suitable way to incorporate knowledge about camera parameters into the standard KLT tracking approach for feature tracking in rigid scenes. By this...
View planning for 3D reconstruction using time-of-flight camera data as a-priori information (2009)
Munkelt, C., Trummer, M., Kühmstedt, P., Denzler, J., Notni, G.
Solving the next best view (NBV) problem is an important task for automated 3D reconstruction. An NBV algorithm provides sensor positions, from which maximal information gain about the measurement...
A Comparative Evaluation of Template and Histogram Based 2-d Tracking Algorithms (2008)
F. Bajramovic, B. Deutsch, Ch. Gräßl, J. Denzler
WWW home page:http://www5.informatik.uni-erlangen.de Abstract In this paper, we compare and evaluate five contemporary, data-driven real-time 2D object tracking methods: the region tracker by Hager...
F. Bajramovic, Ch. Gräßl, J. Denzler
WWW home page:http://www5.informatik.uni-erlangen.de Abstract Histogram based real-time object tracking methods, like the Mean-Shift tracker of Comaniciu/Meer or the Trust-Region tracker of Liu/Chen,...
changes should be addressed to MIT Press Journals, Five Cambridge (2008)
D. Paulus, U. Ahlrichs, B. Heigl, J. Denzler, J. Hornegger, M. Zobel, ...
Individuals $30.00, Institutions $125.00. Canadians add additional 7 % GST. Prices subject to change without notice. Subscribers are licensed to use journal articles in a variety of ways, limited...
Efficient Adaptive Combination of Histograms for Real-Time Tracking (2008)
F. Bajramovic, B. Deutsch, Ch. Gräßl, J. Denzler
We quantitatively compare two template-based tracking algorithms, Hager's method and the hyperplane tracker, and three histogram-based methods, the mean-shift tracker, two trust-region trackers, and...
KLT tracking using intrinsic and extrinsic camera parameters in consideration of uncertainty (2008)
Trummer, M., Denzler, J., Munkelt, C.
Feature tracking is an important task in computer vision, especially for 3D reconstruction applications. Such procedures can be run in environments with a controlled sensor, e.g. a robot arm with...
Efficient Adaptive Combination of Histograms for Real-Time Tracking (2008)
F. Bajramovic, B. Deutsch, Ch. Gräßl, J. Denzler
We quantitatively compare two template-based tracking algorithms, Hager's method and the hyperplane tracker, and three histogram-based methods, the mean-shift tracker, two trust-region trackers, and...
Tracking of Probabilistically Coupled Features (2007)
M. Zobel, J. Denzler, H. Niemann
In this paper an approach on tracking objects consisting of multiple parts is presented. Instead of tracking each part independently, all features are tracked simultaneously. Therefore, the spatial...
Coupling Rays Probabilistic Modeling of Spatial Dependencies (2007)
Zobel Denzler, M. Zobel, J. Denzler, H. Niemann
In this paper we show, how modeling of spatial dependencies between single parts can be used to improve the robustness of the localization of multipart objects. Spatial dependencies are described by...
A Comparison of Median Filter Techniques For Noise Removal in Color Images (2007)
D. Paulus, J. Denzler, Andreas Koschan, Mongi Abidi
Abstract. Noise removal or noise suppression is an important task in image processing. In general, the results of the noise removal have a strong influence on the quality of the following image...
An information theoretic approach to optimal sensor data selection for state estimation (2007)
In this paper we introduce a formalism for optimal sensor parameter selection for iterative state estimation in static systems. In contrast to common approaches, where a certain metric---for example,...
Abstract Tracking of Probabilistically Coupled Features (2007)
Matthias Zobel, Joachim Denzler, Heinrich Niemann, M. Zobel, J. Denzler, H. Niemann
In this paper an approach on tracking objects consisting of multiple parts is presented. Instead of tracking each part independently, all features are tracked simultaneously. Therefore, the spatial...
Coupling Rays – Probabilistic Modeling of Spatial Dependencies (2007)
Matthias Zobel, Joachim Denzler, Heinrich Niemann, M. Zobel, J. Denzler, H. Niemann
Abstract In this paper we show, how modeling of spatial dependencies between single parts can be used to improve the robustness of the localization of multi– part objects. Spatial dependencies are...
Las Palmas, Gran Canaria Spain, D. Paulus, D. Paulus, U. Ahlrichs, U. Ahlrichs, ...
(20 pages (limit: 20 pages)) Abstract: We present a modular architecture for image understanding and active computer vision which consists of three major components: Sensor and actor interfaces...
D. Paulus, Chr Drexler, M. Reinhold, M. Zobel, J. Denzler
(9 pages (limit: 12 pages)) Abstract: We present a modular architecture for image understanding and active computer vision which consists of the following major components: Sensor and actor...
Active Appearance-Based Object Recognition Using Viewpoint Selection (2007)
M. Reinhold L, F. Deinzer L, J. Denzler, D. Paulus L, J. Pssl
In this paper we address the classification of 3 D objects that look similar from several sights and can only be distinguished from some certain viewpoints. For this purpose we combine a statistical...
Tracking of Probabilistically Coupled Features (2007)
Matthias Zobel, Joachim Denzler, Heinrich Niemann, M. Zobel, J. Denzler, H. Niemann
In this paper an approach on tracking objects consisting of multiple parts is presented. Instead of tracking each part independently, all features are tracked simultaneously. Therefore, the spatial...
A New Energy Term Combining Kalman--Filter and Active Contour Models for Object Tracking (2007)
Abstract. In the past years active contour models have been applied in the field of object tracking. For object tracking a prediction step is necessary, especially when tracking in natural scenes...
Coupling Rays-- Probabilistic Modeling of Spatial Dependencies (2007)
Matthias Zobel, Joachim Denzler, Heinrich Niemann, M. Zobel, J. Denzler, H. Niemann
Abstract In this paper we show, how modeling of spatial dependencies between single parts can be used to improve the robustness of the localization of multi--part objects. Spatial dependencies are...
Analysis of Voice-Onset Using Active Rays and Hidden Markov Models (2007)
O. Jesorsky, O. Jesorsky, J. Denzler, J. Denzler, E. N Oth, E. N Oth, ...
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J. Denzler, J. Denzler, H. Niemann, H. Niemann
The following paper will appear in the Proceedings on the 2 nd
changes should be addressed to MIT Press Journals, Five Cambridge (2007)
D. Paulus, U. Ahlrichs, B. Heigl, J. Denzler, J. Hornegger, M. Zobel, ...
Individuals $30.00, Institutions $125.00. Canadians add additional 7 % GST. Prices subject to change without notice. Subscribers are licensed to use journal articles in a variety of ways, limited...
Benchmarking 3D reconstruction from next best view planning (2007)
Munkelt, C., Trummer, M., Denzler, J., Weinhardt, S.
The problem of planning the Next Best View (NBV) still poses many questions. However, the achieved methods and algorithms are hard to compare, since researchers use their own test objects for...
Incorporation of a-priori information in planning the next best view (2006)
Munkelt, C., Denzler, J., Kühmstedt, P.
The widespread use of optical 3D measurement in inspection and prototyping continues to demand improved strategies for planning the next best view (NBV). During the scanning process, better...
Biegefestigkeit von Brettschichtholz aus Buche. (2005)
Blaß, Hans Joachim, Frese, Matthias, Glos, Peter, Linsenmann, P., Denzler, J.
Im Hinblick auf den derzeitigen Umbau der deutschen Wälder und des damit verbundenen Zuwachses an Laubholz ist die Holzwirtschaft daran interessiert, Voraussetzungen für eine vermehrte Verwendung...
Biegefestigkeit von Brettschichtholz aus Buche (2005)
Blaß, Hans, Frese, Matthias, Glos, P., Linsenmann, P., Denzler, J.
Im Hinblick auf den derzeitigen Umbau der deutschen Wälder und des damit verbundenen Zuwachses an Laubholz ist die Holzwirtschaft daran interessiert, Voraussetzungen für eine vermehrte Verwendung...
Biegefestigkeit von Brettschichtholz aus Buche. (2005)
Blaß, Hans Joachim, Frese, Matthias, Glos, Peter, Linsenmann, P., Denzler, J.
A comparative evaluation of template and histogram based 2d tracking algorithms (2005)
B. Deutsch, Ch. Gräßl, F. Bajramovic, J. Denzler
WWW home page:http://www4.informatik.uni-jena.de Abstract In this paper, we compare and evaluate five contemporary, data-driven, real-time 2D object tracking methods: the region tracker by Hager et...
Stereotactic Radiosurgery, T. Rohlfing, J. Denzler, D. B. Russakoff, Ch. Gräßl, C. R. Maurer
Accurate and fast registration of intra-operative 2D projection images to 3D pre-operative images is an important component of many image-guided surgical procedures. If the 2D image acquisition is...
O. Kähler, J. Denzler, J. Triesch
Sensor data fusion from multiple cameras is an important problem for machine vision systems operating in complex, natural environments. In this contribution we tackle the problem of how information...
Stereotactic Radiosurgery, T. Rohlfing, J. Denzler, D. B. Russakoff, Ch. Gräßl, C. R. Maurer
Accurate and fast registration of intra-operative 2D projection images to 3D pre-operative images is an important component of many image-guided surgical procedures. If the 2D image acquisition is...
Information theoretic focal length selection for real-time active 3-D object tracking (2003)
J. Denzler, M. Zobel, H. Niemann
Active object tracking, for example, in surveillance tasks, becomes more and more important these days. Besides the tracking algorithms themselves methodologies have to be developed for reasonable...
Information theoretic focal length selection for real-time active 3-D object tracking (2003)
J. Denzler, M. Zobel, H. Niemann
Active object tracking, for example, in surveillance tasks, becomes more and more important these days. Besides the tracking algorithms themselves methodologies have to be developed for reasonable...
Probabilistic integration of cues from multiple cameras (2002)
J. Denzler, M. Zobel, J. Triesch, Lehrstuhl Für Mustererkennung
Abstract Cue integration from multiple cameras is an important aspect for machine vision systems operating in complex, natural environments. One successful approach for self–organized cue...
Probabilistic integration of cues from multiple cameras (2002)
J. Denzler, M. Zobel, J. Triesch
Abstract Cue integration from multiple cameras is an important aspect for machine vision systems operating in complex, natural environments. One successful approach for self--organized cue...
J. Denzler, C. M. Brown, H. Niemann
Abstract In this paper we introduce a formalism for optimal camera parameter selection for iterative state estimation. We consider a framework based on Shannon 's information theory and select...
Classifier Independent Viewpoint Selection for 3-D Object Recognition (2000)
F. Deinzer, J. Denzler, H. Niemann
Abstract 3–D object recognition has been tackled by passive approaches in the past. This means that based on one image a decision for a certain class and pose must be made or the image must be...
Robust facial feature localization by coupled features (2000)
Matthias Zobel, Arnd Gebhard, Dietrich Paulus, Joachim Denzler, Heinrich Niemann, M. Zobel, ...
In this paper, we consider the problem of robust localization of faces and some of their facial features. The task arises e.g. in the medical field of visual analysis of facial paresis. We detect...
Viewpoint Selection - A Classifier Independent Learning Approach (2000)
Frank Deinzer, Joachim Denzler, Heinrich Niemann, F. Deinzer, J. Denzler, H. Niemann
This paper deals with an aspect of active object recognition for improving the classification and localization results by choosing optimal next views at an object. The knowledge of “good ” next...
Robust facial feature localization by coupled features (2000)
Matthias Zobel, Arnd Gebhard, Dietrich Paulus, Joachim Denzler, Heinrich Niemann, M. Zobel, ...
In this paper, we consider the problem of robust localization of faces and some of their facial features. The task arises e.g. in the medical field of visual analysis of facial paresis. We detect...
Viewpoint Selection - A Classifier Independent Learning Approach (2000)
Frank Deinzer, Joachim Denzler, Heinrich Niemann, F. Deinzer, J. Denzler, H. Niemann
This paper deals with an aspect of active object recognition for improving the classification and localization results by choosing optimal next views at an object. The knowledge of "good...
Viewpoint Selection - A Classifier Independent Learning Approach (2000)
J. Denzler, J. Denzler, H. Niemann
This paper deals with an aspect of active object recognition for improving the classification and localization results by choosing optimal next views at an object. The knowledge of "good"...
In this paper we introduce a formalism for optimal sensor parameter selection for iterative state estimation in static systems. In contrast to common approaches, where a certain metric --- for...
Robust Facial Feature Localization by Coupled Features (2000)
M. Zobel, A. Gebhard, D. Paulus, J. Denzler, H. Niemann
In this paper, we consider the problem of robust localization of faces and some of their facial features. The task arises e.g. in the medical field of visual analysis of facial paresis. We detect...
Robust facial feature localization by coupled features (2000)
Matthias Zobel, Arnd Gebhard, Dietrich Paulus, Joachim Denzler, Heinrich Niemann, M. Zobel, ...
In this paper, we consider the problem of robust localization of faces and some of their facial features. The task arises e.g. in the medical field of visual analysis of facial paresis. We detect...
Knowledge Based Image and Speech Analysis for Service Robots (1999)
U. Ahlrichs, J. Fischer, J. Denzler, Chr Drexler, H. Niemann, E. Noth, ...
Active visual based scene exploration as well as speech understanding and dialogue are important skills of a service robot which is employed in natural environments and has to interact with humans....
J. Denzler, B. Heigl, H. Niemann
Abstract Tracking the 2D contour of a moving object has widely been used in the past years. So called active contour models have been proven to be a promising approach to real--time tracking of...
On the application of lightfield reconstruction for statistical object recognition (1998)
B. Heigl, J. Denzler, H. Niemann
In this paper we apply light field reconstruction and rendering of object views to the problem of automatic generation of training material for a statistical object recognition system. The advantages...
On the application of lightfield reconstruction for statistical object recognition (1998)
B. Heigl, J. Denzler, H. Niemann
In this paper we apply light eld reconstruction and rendering of object views to the problem of automatic generation of training material for a statistical object recognition system. The advantages...
Real--time pedestrian tracking in natural scenes (1997)
Joachim Denzler, Heinrich Niemann, J. Denzler, H. Niemann
The following paper was published in the Proceedings on the 7 th International Conference
Active Rays: Polar-transformed Active Contours for Real-Time Contour Tracking (1997)
In this paper we describe a new approach to contour extraction and tracking, which is based on the principles of active contour models and overcomes its shortcomings. We formally introduce active...
Active rays: A new approach to contour tracking (1996)
J. Denzler, J. Denzler, H. Niemann, H. Niemann
The following paper will appear in the Proceedings on the 3 rd German--Slovenian Workshop on
Evaluating the performance of active contours models for real-time object tracking (1995)
In the past six years many algorithms and models for active contours (snakes) have been presented. Some of the work has been applied to static image analysis, some other to image sequence processing....
Pitch determination considering laryngealization effects in spoken dialogs (1994)
Niemann, H, Denzler, J, Kahles, B, Kompe, A, Kießling, A, Nöth, E, ...
A frequent phenomen in spoken dialogs of the information seeking type are short elliptic utterances whose mood (declarative or interrogative) can only be distinguished by intonation. The main...
Pitch determination considering laryngealization effects in spoken dialogs (1994)
Niemann, H, Denzler, J, Kahles, B, Kompe, A, Kießling, A, Nöth, E, ...
A frequent phenomen in spoken dialogs of the information seeking type are short elliptic utterances whose mood (declarative or interrogative) can only be distinguished by intonation. The main...
Pitch determination considering laryngealization effects in spoken dialogs (1994)
H. Niemann, J. Denzler, B. Kahles, R. Kompe, A. Kiessling, E. Noth, ...
Abstract--- A frequent phenomenon in spoken dialogs of the information seeking type are short elliptic utterances whose mood (declarative or interrogative) can only be distinguished by intonation....
Learning, tracking and recognition of 3D objects (1994)
D. Paulus Iros, J. Denzler, J. Denzler, J. Denzler, R. Be, R. Be, ...
The following was printed in the proceedings
Pitch Determination Considering Laryngealization Effects In Spoken Dialogs (1994)
Niemann Denzler, E. N Oth, E. N Oth, H. Niemann, H. Niemann, ...
A frequent phenomenon in spoken dialogs of the information seeking type are short elliptic utterances whose mood (declarative or interrogative) can only be distinguished by intonation. The main...
Going back to the source: Inverse filtering of the speech signal with ANNs (1993)
J. Denzler, J. Denzler, J. Denzler, R. Kompe, R. Kompe, ...
In this paper we present a new method transforming speech signals to voice source signals (VSS) using artificial neural networks (ANN). We will point out that the ANN mapping of speech signals into...
Going back to the source: Inverse filtering of the speech signal with ANNs (1993)
J. Denzler, R. Kompe, A. Kieling, H. Niemann, E. N Oth
In this paper we present a new method transforming speech signals to voice source signals (VSS) using artificial neural networks (ANN). We will point out that the ANN mapping of speech signals into...