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Christoph Rhemann, Research Assistant Contact Information Research Projects Downloadable Publications

My name is Christoph Rhemann and I am a Ph.D student at Vienna University of Technology. I work together with my supervisors Margrit Gelautz, Carsten Rother (Microsoft Research) and Michael Bleyer at the Interactive Media Systems Group. My research interests are in the field of computer vision with a focus on image and video segmentation.

My Ph.D project is supported by Microsoft Research through its European PhD Scholarship Programme.

New alpha matting benchmark

Publications

• Asmaa Hosni, Michael Bleyer, Margrit Gelautz, Christoph Rhemann, Local Stereo Matching Using Geodesic Support Weights, ICIP 2009 PDF
• C. Rhemann, C. Rother, J. Wang, M. Gelautz, P. Kohli, P. Rott, A Perceptually Motivated Online Benchmark for Image Matting, CVPR 2009, Miami (2009) PDF; Supplementary Material: PDF; TR: PDF; Evaluation website: Evaluation website
• D. Singaraju, C. Rother and C. Rhemann, New Appearance Models for Image Matting, CVPR 2009, Miami (2009) PDF; Supplementary Material: PDF; TR: PDF
• M. Bleyer, M. Gelautz, C. Rother, C. Rhemann, A Stereo Approach that Handles the Matting Problem via ImageWarping, CVPR 2009, Miami (2009) Project Page
• C. Rhemann, M. Gelautz, B. Fölsner, An Evaluation of Interactive Image Matting Techniques Supported by Eye-Tracking, SPIE Electronic Imaging 2009 PDF

• C. Rhemann, C. Rother, M. Gelautz, Improving Color Modeling for Alpha Matting, BMVC 2008, Leeds, UK (2008) PDF
• C. Rhemann, C. Rother, A. Rav-Acha, T. Sharp, High Resolution Matting via Interactive Trimap Segmentation, CVPR 2008, Alaska (2008) PDF; Supplementary Material: PDF; Technical Report: PDF

• C. Rhemann, A Graph-based Approach to Optical Flow Estimation, Junior Scientist Conference 2006, Vienna, Austria, pp. 61-63, 2006 PDF
• Michael Bleyer, Margrit Gelautz, Christoph Rhemann, Segmentation-based Motion with Occlusions Using Graph-Cut Optimization, DAGM 2006, Lecture Notes in Computer Science (LNCS) 4174, pp. 465–474, 2006 PDF

• Michael Bleyer, Margrit Gelautz, Christoph Rhemann, Colour Segmentation-based Computation of Dense Optical Flow with Application to Video Object Segmentation, OEGAI-Journal, 24(1), pp 11-15, 2005 PDF
• Michael Bleyer, Margrit Gelautz, Christoph Rhemann, Region-based Optical Flow Estimation with Treatment of Occlusions, Joint Hungarian-Austrian Conference on Image Processing and Pattern Recognition, pp. 235-242, 2005 PDF

Education

• MSc in Economics and Computer Science, Vienna University of Technology, Austria. January 2006.
• MSc in Computer Science, Vienna University of Technology, Austria. July 2005. (with honors)
• BSc in Computer Science, Vienna University of Technology, Austria. September 2003.

Professional Experience

• Internship at Microsoft Research Cambridge, UK. July 2007 ~ October 2007
• Worked with Carsten Rother and Toby Sharp in the Machine Learning and Perception Group.
• Research Assistant at Interactive Media Systems Group, Vienna University of Technology, Austria. October 2006 ~ present

Honors

• Microsoft Research European PhD Scholarship, 2006 ~ present.
• Nominated for Outstanding Master Thesis Award, Vienna University of Technology, 2005.

Contact Information

Research Projects

Christoph Rhemann is directly involved in the following research projects. For a complete list of all research projects in the areas of virtual reality, media processing and web-based information systems, see the Research Projects page.

• Temporal-Consistent Stereo Matting for High-Quality Novel View Synthesis and Visual Effects (2009)
• Alpha Matting from Single and Multiple Images (2006)

Downloadable Publications

Christoph Rhemann authored or co-authored the following downloadable scientific publications. For a complete list of all downloadable publications, see the Scientific Publications page.

• Local Stereo Matching Using Geodesic Support Weights (2009)
• A Perceptually Motivated Online Benchmark for Image Matting (2009)
• A Perceptually Motivated Online Benchmark for Image Matting - TR (2009)
• A Stereo Approach that Handles the Matting Problem via Image Warping (2009)
• High Resolution Matting via Interactive Trimap Segmentation (2008)
• C. Rhemann, C. Rother, A. Rav-Acha, T. Sharp, High Resolution Matting via Interactive Trimap Segmentation, CVPR 2008, Alaska (2008)
• Segmentation-based Motion with Occlusions Using Graph-Cut Optimization (2006)
• C. Rhemann, A Graph-based Approach to Optical Flow Estimation, JSC 2006, Vienna (2006)
• Master Thesis - Region-Based Optical Flow Estimation with Treatment of Occlusions (2005)
• Region-based Optical Flow Estimation with Treatment of Occlusions (2005)
• Colour Segmentation-based Computation of Dense Optical Flow with Application to Video Object Segmentation (2005)

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Interactive Media Systems Group
Institute for Software Technology and Interactive Systems
Vienna University of Technology

Favoritenstrasse 9-11/188/2
A-1040 Vienna, Austria

http://www.ims.tuwien.ac.at/