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Dr.-Ing. Thorsten Thormählen

Max-Planck-Institut für Informatik
Department D4 - Computer Graphics
Building E1.4, Room 217
Campus E1 4
66123 Saarbrücken, Germany

Email:
Phone: +49 681 9325 417
Fax: +49 681 9325 499

Research Interests

Computer vision, computer graphics
Estimation of camera motion and reconstruction of the 3D scene from image sequences
Development of the free voodoo camera tracker software. Please see http://www.digilab.uni-hannover.de for details.
Development of the VideoTrace 3D modelling software
Development of a software tool for Interactive Reflection Editing

Interesting topics for bachelor or master theses (Studien- oder Diplomarbeiten) are available. A strong background in estimation theory and C++ is required. The MPII is also always looking for outstanding students as PhD candidates (Doktoranden). If you are interested, please contact me by e-mail or phone.

Teaching

Lecture (SS 2010): Computer Vision and its Applications in Graphics
Seminar (SS 2009): Computer Vision and Visual Special Effects
Tutorial (DAGM 2009) : Visual 3D Scene Analysis and Synthesis
Tutorial (3DTV-CON 2009) : Interactive and Automatic 3D Reconstruction from Image Sequences
Seminar (SS 2008): Image-based 3D Analysis

Publications

N. Hasler, T. Thormählen, B. Rosenhahn, H.-P. Seidel: "Learning Skeletons for Shape and Pose" ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games (i3D) Washington DC, USA, 19-21 February 2010 (accepted) 2010		[video]
T. Ritschel, M. Okabe, T. Thormählen, H.-P. Seidel: "Interactive Reflection Editing" ACM Transactions on Graphics (TOG), ACM SIGGRAPH Asia 2009 papers Yokohama, Japan, 16-19 December 2009 2009		[video] [project]
C. Kurz, T. Thormählen, B. Rosenhahn, H.-P. Seidel: "Exploiting Mutual Camera Visibility in Multi-Camera Motion Estimation" 5th International Symposium on Visual Computing (ISVC 2009) Vegas, USA, November 2009 2009		[video]
S. Kosov, T. Thormählen, H.-P. Seidel: "Accurate Real-Time Disparity Estimation with Variational Methods" 5th International Symposium on Visual Computing (ISVC 2009) Vegas, USA, November 2009 2009		[data]
C. Kurz, T. Thormählen, H.-P. Seidel: "Scene-Aware Video Stabilization by Visual Fixation" 6th European Conference on Visual Media Production (CVMP 2009) (accepted) London, UK, 12-13 November 2009 2009		[video]
S. Kosov, K. Scherbaum, K. Faber, T. Thormählen, H.-P. Seidel: "Rapid Stereo-Vision Enhanced Face Detection" IEEE International Conference on Image Processing (ICIP 2009) (accepted) Cairo, Egypt, November, 2009 2009
Y. Cui, N. Hasler, T. Thormählen, H.-P. Seidel: "Scale Invariant Feature Transform with Irregular Orientation Histogram Binning" International Conference on Image Analysis and Recognition (ICIAR 2009) Halifax, Canada, July 2009 2009
N. Hasler, C. Stoll, B. Rosenhahn, T. Thormählen, H.-P. Seidel: "Estimating Body Shape of Dressed Humans" Shape Modeling International (SMI 2009). Beijing, China, June 2009 2009
N. Hasler, B. Rosenhahn, T. Thormählen, M. Wand, J. Gall, H.-P. Seidel: "Markerless Motion Capture with Unsynchronized Moving Cameras" IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR 2009), Miami Beach, Florida, June 2009 2009		[video] [data]
T. Thormählen, N. Hasler, M. Wand, H.-P. Seidel: "Merging of Feature Tracks for Camera Motion Estimation from Video" 5th European Conference on Visual Media Production (CVMP 2008) London, UK, 26-27 November 2008 2008		[video]
T. Thormählen, H.-P. Seidel: "3D-Modeling by Ortho-Image Generation from Image Sequences" ACM Transactions on Graphics (TOG), ACM SIGGRAPH 2008 papers, Volume 27, Issue 3 ACM SIGGRAPH 2008, Los Angeles, USA, 11-15 August 2008 2008		[video]
A. van den Hengel, A. Dick, T. Thormählen, B. Ward, P.H.S. Torr: "A Shape Hierarchy for 3D Modelling from Video" Proceedings of GRAPHITE 2007, Perth, Australia, 1-4 December 2007 2007
A. van den Hengel, A. Dick, T. Thormählen, B. Ward, P.H.S. Torr: "Interactive 3D Model Completion" Proceedings of DICTA 2007, Adelaide, Australia, 3-5 December 2007 2007
A. van den Hengel, A. Dick, T. Thormählen, B. Ward, P.H.S. Torr: "VideoTrace: Rapid interactive scene modelling from video" ACM Transactions on Graphics (TOG), ACM SIGGRAPH 2007 papers, Volume 26, Issue 3 ACM SIGGRAPH 2007, San Diego, USA, 7-9 August 2007 2007		[video] [project]
P. Mikulastik, T. Thormählen, H. Broszio, O. Urfalioglu: "Error Analysis of Feature Based Disparity Estimation" Proceedings of the IEEE Pacific-Rim Symposium on Image and Video Technology (PSIVT 2006), Hsinchu, Taiwan, 11-13 December 2006 2006
A. van den Hengel, A. Dick, T. Thormählen, B. Ward, P.H.S. Torr: "Rapid Interactive Modelling from Video with Graph Cuts" Proceedings of Eurographics 2006, Vienna, Austria, 4-8 September 2006 2006
A. van den Hengel, A. Dick, T. Thormählen, B. Ward, P.H.S. Torr: "Building Models of Regular Scenes from Structure and Motion" Proceedings of the 17th British Machine Vision Conference (BMVC 2006), Edinburgh, UK, 4-7 September 2006 2006
A. van den Hengel, A. Dick, T. Thormählen, B. Ward, P. H. S. Torr: "Hierarchical model fitting to 2D and 3D data" Proceedings of the Third International Conference on Computer Graphics, Imaging and Visualisation, IEEE Computer Society Press, July 2006, Sydney, Australia 2006
T. Thormählen, A. Dick, A. van den Hengel, B. Ward, P. H. S. Torr: "Regular Scene Reconstruction from Image Sequences" Video Proceedings for CVPR 2006 (VPCVPR06), New York, USA, 17-22 June 2006 2006		[video]
O. Urfalioglu, T. Thormählen, H. Broszio, P. Mikulastik: "Error Analysis of Camera Parameter Estimation based on Collinear Features " Proceedings of the Third Canadian Conference on Computer and Robot Vision (CRV 2006), Quebec, Canada, 7-9 June 2006 2006
A. van den Hengel, A. Dick, T. Thormählen, P. H. S. Torr, B. Ward: "Fitting multiple models to multiple images with minimal user interaction" Proceedings of the International Workshop on the Representation and Use of Prior Knowledge in Vision (WRUPKV) held in association with ECCV 2006, Graz, Austria, 6 May 2006 (accepted for Springer LNCS) 2006
T. Thormählen: "Zuverlässige Schätzung der Kamerabewegung aus einer Bildfolge" Dissertation, Universität Hannover, VDI Fortschritt-Berichte, Reihe 10 Informatik/Kommunikationstechnik, Band Nr. 765, 2006, ISBN 3-18-376510-1, ISSN 0178-9627 2006
T. Thormählen, H. Broszio, P. Mikulastik: "Robust Linear Auto-calibration of a Moving Camera from Image Sequences" Proceedings of the 7th Asian Conference on Computer Vision (ACCV 2006), Hyderabad, India, 13-16 Jan 2006, Springer, LNCS 3852, Part II, ISSN 0302-9743 2006
T. Thormählen, H. Broszio: "Automatic line-based estimation of radial lens distortion" Integrated Computer-Aided Engineering, Vol. 12, Number 2, pp. 177-190, IOS Press, ISSN 1069-2509 2005
H. Broszio, T. Thormählen, P. Mikulastik: "Using Mosaic Images to Simplify the Integration of Virtual Objects into Image Sequences" International Journal of Robotics and Automation, Vol. 20, Issue 1, pp. 34-41, ACTA Press, ISSN 0826-8185 2005
T. Thormählen, H. Broszio, A. Weissenfeld: "Keyframe Selection for Camera Motion and Structure Estimation from Multiple Views" Proceedings of the 8th European Conference on Computer Vision (ECCV 2004), Prague, Czech Republic, 11-14 May 2004, Springer, LNCS 3021, ISBN 3-540-21984-6, pp.523-535, 2004
H. Broszio, T. Thormählen, P. Mikulastik: "User-Friendly Integration of Virtual Objects into Image Sequences with Mosaics" Proceedings of the 16th International Conference on Vision Interface, Halifax, Canada, June, 11-13 2003, pp. 70-76 2003		[video]
T. Thormählen, H. Broszio, I. Wassermann: "Robust Line-Based Calibration of Lens Distortion from a Single View" Proceedings of Mirage 2003 ( Computer Vision / Computer Graphics Collaboration for Model-based Imaging, Rendering, Image Analysis and Graphical Special Effects), INRIA Rocquencourt, France, 10-12 March 2003, pp. 105-112 2003
Y. Liu, T. Thormälen, H. Broszio: "Camera Motion Estimation for Object-Based Video Coding" Recent Trends in Multimedia Information Processing, Proceedings of the 9th International Workshop on Systems, Signals and Image Processing, Manchester Town Hall, UK, 7-8 November 2002, World Scientific, October 2002, ISBN 981-238-243-7 2002
T. Thormählen, H. Broszio, P. N. Meier: "Three-Dimensional Endoscopy" Falk Symposium No. 124, Medical Imaging in Gastroenterology and Hepatology, Hannover, Germany, September 2001, Kluwer Academic Publishers, 2002, ISBN 0-7923-8774-0 2002
T. Thormählen, H. Broszio, P. N. Meier: "Automatische 3D-Rekonstruktion aus endoskopischen Bildfolgen" Bildverarbeitung für die Medizin 2002, Leipzig, Germany, März 2002, Springer, 2002, ISBN 3-540-43225-6 2002
T. Thormählen: "Entwicklung einer Internetkamera und deren Anbindung über PPP und TCP/IP an das ISDN" Diplomarbeit, Fraunhofer Institut für Mikroelektronische Schaltungen und Systeme, Dezember 1999 1999 (HTML-Version)
T. Thormählen: "Konzeption und Realisierung einer Entwicklungsplattform für eine ISDN-Kamera" Studienarbeit, Fraunhofer Institut für Mikroelektronische Schaltungen und Systeme, März 1999 1999 (HTML-Version)

Short CV

November 2007 - present:
Senior Researcher, Head of the independent research group "Image-based 3D Scene Analysis" within the Max Planck Center for Visual Computing and Communication
October 2005 - October 2007:
Postdoctoral research fellow, School of Computer Science, University of Adelaide, Australia
January 2000 - October 2005:
PhD (Dr.-Ing.), Faculty of Electrical Engineering and Computer Science, University of Hannover, Germany
Full-time scientific assistant at the Information Technology Laboratory, University of Hannover
October 1994 - November 1999:
Diploma in Electrical Engineering (Dipl.-Ing.), University of Duisburg, Germany