Publications

Publications:

C. Zach, M. Niethammer, and J.-M. Frahm, Continuous Maximal Flows and Wulff Shapes: Application to MRFs. IEEE Conference on Computer Vision and Pattern Recognition (CVPR), p. 1911-1918, 2009. Preprint (PDF)
C. Zach, L. Shan, and M. Niethammer, Globally Optimal Finsler Active Contours, accepted for DAGM, 2009. Preprint (PDF)
A. Irschara, C. Zach, J.-M. Frahm, and H. Bischof. From SfM Point Clouds to Fast Location Recognition. IEEE Conference on Computer Vision and Pattern Recognition (CVPR), p. 2599-2606, 2009. Preprint (PDF)
B. Clipp, C. Zach, J.-M. Frahm, and M. Pollefeys, A New Minimal Solution to the Relative Pose of a Calibrated Stereo Camera with Small Field of View Overlap, accepted for ICCV, 2009.
M. Niethammer, C. Zach, J. Melonakos, and A. Tannenbaum. Near-Tubular Fiber Bundle Segmentation for Diffusion Weighted Imaging: Segmentation Through Frame Reorientation. NeuroImage 45(1 Suppl.), p. 123-132, 2009.

C. Zach, A. Irschara, and H. Bischof. What can missing correspondences tell us about 3D structure and motion? IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2008. Preprint (PDF)
M. Grabner, C. Zach, and H. Bischof. Efficient Tracking as Linear Program on Weak Binary Classifiers. Pattern Recognition (Proc. DAGM), vol. 5096 of Lecture Notes in Computer Science, 2008. Preprint (PDF)
C. Zach, D. Gallup, and J.-M. Frahm. Fast Gain-Adaptive KLT Tracking on the GPU. CVPR Workshop on Visual Computer Vision on GPU's (CVGPU), 2008. PDF
C. Zach. Fast and High Quality Fusion of Depth Maps. International Symposium on 3D Data Processing, Visualization and Transmission (3DPVT), 2008. PDF
C. Zach, D. Gallup, J.-M. Frahm and M. Niethammer, Fast Global Labeling for Real-Time Stereo Using Multiple Plane Sweeps. Vision, Modeling and Visualization Workshop (VMV), 2008. Preprint (PDF)
M. Klopschitz, C. Zach, A. Irschara, and D. Schmalstieg. Generalized Detection and Merging of Loop Closures for Video Sequences. International Symposium on 3D Data Processing, Visualization and Transmission (3DPVT), 2008. PDF
X. Li, C. Wu, C. Zach, S. Lazebnik and J.-M. Frahm, Modeling and Recognition of Landmark Image Collections Using Iconic Scene Graphs. ECCV, 2008. Preprint (PDF)
M. Niethammer, C. Zach, J. Melonakos and A. Tannenbaum, Tubular Fiber Bundle Segmentation for Diffusion Weighted Imaging, MICCAI Workshop on Computational Diffusion MRI, 2008.

C. Zach, T. Pock, and H. Bischof. A globally optimal algorithm for robust TV-L1 range image integration. In IEEE International Conference on Computer Vision (ICCV), 2007. PDF OpenOffice presentation
C. Zach, T. Pock, and H. Bischof. A duality based approach for realtime TV-L1 optical flow. Pattern Recognition (Proc. DAGM), vol. 4792 of Lecture Notes in Computer Science, 2007. Awarded the Main DAGM Prize. PDF
A. Irschara, C. Zach, and H. Bischof. Towards wiki-based dense city modeling. In Workshop on Virtual Representations and Modeling of Large-scale environments (VRML), 2007. PDF
M. Sormann, C. Zach, J. Bauer, K. Karner, and H. Bischof. Watertight multi-view reconstruction based on volumetric graph cuts. Image Analysis (Proc. SCIA), vol. 4522 of Lecture Notes in Computer Science, p. 393-402, 2007. PDF
B. Reitinger, C. Zach, and D. Schmalstieg. Augmented reality scouting for interactive 3D reconstruction. In Proc. IEEE Virtual Reality, 2007. PDF
T. Pock, C. Zach, and H. Bischof. Mumford-Shah meets stereo: Integration of weak depth hypotheses. In IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2007.PDF
T. Pock, M. Urschler, C. Zach, R. Beichel, and H. Bischof. A duality based algorithm for TV-L1-optical-flow image registration. In 10th International Conference on Medical Image Computing and Computer Assisted Intervention (MICCAI), 2007. PDF

C. Zach, M. Sormann, and K. Karner. Scanline optimization for stereo on graphics hardware. In International Symposium on 3D Data Processing, Visualization and Transmission (3DPVT), 2006. PDF
C. Zach, M. Sormann, and K. Karner. High-performance multi-view reconstruction. In International Symposium on 3D Data Processing, Visualization and Transmission (3DPVT), 2006. PDF
J. Bauer, C. Zach, K. Karner, and H. Bischof. Efficient sparse 3D reconstruction by space sweeping. In International Symposium on 3D Data Processing, Visualization and Transmission (3DPVT), 2006.
M. Sormann, C. Zach, and K. Karner. Graph cut based multiple view segmentation for 3D reconstruction. In International Symposium on 3D Data Processing, Visualization and Transmission (3DPVT), 2006.
M. Urschler, C. Zach, H. Ditt, H. Bischof (2006). Automatic Point Landmark Matching for Regularizing Nonlinear Intensity Registration: Application to Thoracic CT Images. In Proc. MICCAI, 2006. PDF

M. Sormann, C. Zach, J. Bauer, K. Karner, and H. Bischof. Automatic foreground propagation in image sequences for 3D reconstruction. Pattern Recognition (Proc. DAGM), vol. 3663 of Lecture Notes in Computer Science, pages 93-100, 2005.

C. Zach, M. Sormann, and M. Grabner. 3D-Geoinformationssysteme, Grundlagen und Anwendungen, chapter Internet-basierte Echtzeitvisualisierung von 3D Geodaten, pages 202-216. Wichmann, 2004.
C. Zach, S. Mantler, and K. Karner. Time-critical rendering of huge ecosystems using discrete and continuous levels of detail. Presence: Teleoperators and Virtual Environment, 2004. PDF
C. Zach, M. Grabner, and K. Karner. Improved compression of topology for view-dependent rendering. In Proceedings of Spring Conference on Computer Graphics 2004, pages 174-182, 2004. PDF
B. Reitinger and C. Zach and A. Bornik and R. Beichel. User-Centric Transfer Function Specification in Augmented Reality. Journal of WSCG, 12(103):335--342. 2004.
M. Sormann, A. Klaus, C. Zach, J. Bauer, and K. Karner. VR Modeler: From image sequences to 3D models. In Proceedings of Spring Conference on Computer Graphics 2004, pages 152-160, 2004.

C. Zach, A. Klaus, M. Hadwiger, and K. Karner. Accurate dense stereo reconstruction using graphics hardware. In Proc. Eurographics 2003, Short Presentations, 2003.
C. Zach, A. Klaus, B. Reitinger, and K. Karner. Optimized stereo reconstruction using 3D graphics hardware. In Workshop of Vision, Modelling, and Visualization (VMV 2003), pages 119-126, 2003.
C. Zach and K. Karner. Fast event-driven refinement of dynamic levels of detail. In Proceedings of Spring Conference on Computer Graphics 2003, pages 65-72, 2003.
C. Zach and K. Karner. Progressive compression of visibility data for view-dependent multiresolution meshes. Journal of WSCG, 11(3):546-553, 2003.
M. Grabner and C. Zach. Adaptive quantization with error bounds for compressed view-dependent multiresolution meshes. In Proc. Eurographics 2003, Short Presentations, pages 77-82, 2003.
M. Grabner and H. Bischof and C. Zach and A. Ferko. Multiple Eigenspaces for Hardware Accelerated Image Based Rendering. 27th Workshop of the Austrian Association for Pattern Recognition (AAPR). 2003
M. Sormann, C. Zach, and K. Karner. Texture mapping for view-dependent rendering. In Proceedings of Spring Conference on Computer Graphics 2003, pages 146-155, 2003.

C. Zach, S. Mantler, and K. Karner. Time-critical rendering of discrete and continuous levels of detail. In Proceedings of ACM Symposium on Virtual Reality Software and Technology 2002, pages 1-8, 2002. PDF
C. Zach. Integration of geomorphing into level of detail management for realtime rendering. In Proceedings of Spring Conference on Computer Graphics 2002, pages 115-122, 2002.
J. Bauer, A. Klaus, K. Karner, C. Zach, and K. Schindler. Metropogis: A feature based city modeling system. In Photogrammetric Computer Vision 2002 (PCV'02), 2002.
K. Karner, M. Gouda, C. Zach, A. Klaus, and J. Bauer. Virtuelle Stadtmodelle: Erstellung, Visualisierung und Nutzung. Journal of the Austrian Society for Artificial Intelligence (ÖGAI), pages 25-32, 2002.

Christopher Zach. High-Performance Modeling From Multiple Views Using Graphics Hardware. PhD thesis, 2007. PDF