Welcome to the homepage of

Joachim Weickert

Professor of Mathematics and Computer Science

Office Hour:	Tuesday, 14:15-15:15
Phone:	+49-681-302-57340
Secretary:	+49-681-302-57341 (Ellen Wintringer)
Fax:	+49-681-302-57342
E-Mail:	weickert -at- mia.uni-saarland.de   (please replace anti-spam -at- by @)
Address:	Faculty of Mathematics and Computer Science
	Saarland University, Campus E1.1
	66041 Saarbrücken, Germany
Office:	Room 3.11 (Building E1.1, Saarbrücken Campus, visitor information)
WWW:	http://www.mia.uni-saarland.de/weickert

Joachim Weickert is professor of mathematics and computer science at Saarland University where he heads the Mathematical Image Analysis Group. He received a diploma and a Ph.D. degree in mathematics from the University of Kaiserslautern (1991, 1996), and a habilitation degree in computer science from the University of Mannheim (2001). He worked as research assistant at the University of Kaiserslautern, as post-doctoral researcher at the universities of Utrecht and Copenhagen, and as assistant professor at the University of Mannheim.

Joachim Weickert performs research in image processing, computer vision and scientific computing, focussing on techniques based on partial differential equations, variational principles, wavelets, morphological and nonlocal methods. He has developed mathematical models and efficient numerical algorithms for image restoration, enhancement, segmentation, compression, optic flow computation, stereo reconstruction, shape from shading, as well as signal processing methods for tensor fields. These ideas have entered a number of applications in industry, biomedical image analysis and other fields.

The scientific work of Joachim Weickert covers more than 240 refereed publications. His h-index is 52. He is the current Editor-in-Chief of the Journal of Mathematical Imaging and Vision, has served in the editorial boards of nine international journals and has been reviewer for more than 60 journals and 16 funding organisations. Joachim Weickert has given over 130 invited talks at conferences, workshops and other universities, and was area chair of six ECCV or ICCV conferences. He has received 17 research, teaching and reviewing awards, including the 2010 Gottfried Wilhelm Leibniz Prize which is the highest German research award. He is elected member of the Academia Europaea - The Academy of Europe.

At Saarland University, Joachim Weickert is initiator and head of a Master Programme in Visual Computing, which is the first of its kind in Germany and uses English as language of instruction. Since 2002 he has supervised more than 180 bachelor, master or diploma theses. He has established many interdisciplinary collaborations with colleagues from medicine, bioinformatics, pharmacy, physics, mechatronics, and mechanical engineering. He is Principal Investigator for Visual Computing within the Multimodal Computing and Interaction Cluster of Excellence, and he serves in the Steering Committee of the Intel Visual Computing Institute. From April 2008 to March 2010, Joachim Weickert was dean of the Faculty of Mathematics and Computer Science.

More Details on Recent or Forthcoming Activities:

More Information

Image Processing and Computer Vision

Seminar Classics in Image Processing

Oberseminar Mathematische Bildanalyse

Oberseminar Angewandte Mathematik

If you have enjoyed the classes of our group and consider writing your thesis with us, here is some information for prospective students.

International Journal of Computer Vision (2003-)

Inverse Problems and Imaging (2007-)

International Journal of Electrical and Computer Engineering Systems (2010-)

Journal of Visual Communication and Image Representation (2009-)

Electronic Letters on Computer Vision and Image Analysis (2002-)

Journal of Mathematical Imaging and Vision (2007-2011, afterwards Edior-in-Chief)

Foundations and Trends in Computer Graphics and Vision (2005-)

Journal of Algorithms in Cognition, Informatics and Logic (2010-)

IEEE Transactions on Pattern Recognition and Machine Intelligence (2006-2010)

Geometric Properties from Incomplete Data 2004

Visualisation and Image Processing of Tensor Fields 2004

Ollendorff Vision and Image Sciences Workshop 2004

Scale-Space and PDE Methods in Computer Vision 2005

GAMM Annual Meeting 2006, Session on Mathematical Image Processing

Visualisation and Image Processing of Tensor Fields 2007

Journées de Metz 2007: PDE and Variational Methods in Image Analysis

Vision, Modeling, and Visualization 2007

German-Israeli Workshop for Vision and Image Sciences 2008

Seventh International Conference on Mathematical Methods for Curves and Surfaces
(MMCS 2008, Tønsberg, Norway, June 2008)

International Conference on Image and Signal Processing
(ICISP 2008, Cherbourg-Octeville, France, July 2008)

Fourth Iberian Conference on Pattern Recognition and Image Analysis
(IbPRIA 2009, Povoa de Varzim, Portugal, June 2009)

Seventh International Conference on Energy Minimization Methods in Computer Vision and Pattern Recognition
(EMMCVPR 2009, Bonn, Germany, August 2009)

Vision, Modeling, and Visualization 2009
(VMV 2009, Braunschweig, Germany, November 2009)

Sparsity and Nonlinear Diffusion for Signal and Image Processing
(Edinburgh, Scotland, November 2009)

Mathematics and Image Analysis 2009
(MIA 2009, Paris, France, December 2009)

Biomedical Image Registration 2010
(WBIR 2010, Lübeck, Germany, July 2010)

Irish Machine Vision and Image Processing Conference 2010
(IMVIP 2010, Limerick, Ireland, September 2010)

Scale-Space and Variational Methods in Computer Vision 2011
(SSVM 2011, Ein-Gedi, Israel, May/June 2011)

A complete list of invited talks can be found here.

1. J. Weickert:
   Anisotropic Diffusion in Image Processing.
   Teubner, Stuttgart, 1998.
   [More information and free download]
   Cited more than 1400 times.
2. J. Weickert, B.M. ter Haar Romeny, M.A. Viergever:
   Efficient and reliable schemes for nonlinear diffusion filtering.
   IEEE Transactions on Image Processing, Vol. 7, No. 3, 398-410, March 1998.
   Cited more than 700 times.
3. J. Weickert, S. Ishikawa, A. Imiya:
   Linear scale-space has first been proposed in Japan.
   Journal of Mathematical Imaging and Vision, Vol. 10, 237-252, 1999.
   Revised version of Technical Report DIKU-97/18, Dept. of Computer Science, University of Copenhagen, Denmark, 1997.
4. J. Weickert, C. Schnörr:
   A theoretical framework for convex regularizers in PDE-based computation of image motion.
   International Journal of Computer Vision, Vol. 45, No. 3, pp. 245-264, December 2001.
   Revised version of Technical Report No. 13/2000, Computer Science Series, University of Mannheim, Germany, June 2000.
5. T. Brox, A. Bruhn, N. Papenberg, J. Weickert:
   High accuracy optical flow estimation based on a theory for warping.
   In T. Pajdla, J. Matas (Eds.): Computer Vision - ECCV 2004. Lecture Notes in Computer Science, Vol. 3024, Springer, Berlin, 25-36, 2004.
   Awarded the 2004 ECCV Longuet-Higgins Prize (best paper under 555 submissions).
   Cited more than 500 times.
6. G. Steidl, J. Weickert, T. Brox, P. Mrázek, M. Welk:
   On the equivalence of soft wavelet shrinkage, total variation diffusion, total variation regularization, and SIDEs.
   SIAM Journal on Numerical Analysis, Vol. 42, No. 2, 686-713, 2004.
   Shortened version of Technical Report No. 94, Dept. of Mathematics, Saarland University, Saarbrücken, Germany, August 2003.
7. J. Weickert, H. Hagen (Eds.):
   Visualization and Processing of Tensor Fields.
   Springer, Berlin, 2006.
8. A. Bruhn, J. Weickert, T. Kohlberger, C. Schnörr:
   A multigrid platform for real-time motion computation with discontinuity-preserving variational methods.
   International Journal of Computer Vision, Vol. 70, No. 3, 257-277, December 2006.
9. M. Welk, G. Steidl, J. Weickert:
   Locally analytic schemes: a link between diffusion filtering and wavelet shrinkage.
   Applied and Computational Harmonic Analysis, Vol. 24, 195–224, 2008.
10. I. Galić, J. Weickert, M. Welk, A. Bruhn, A. Belyaev, H.-P. Seidel:
    Image compression with anisotropic diffusion.
    Journal of Mathematical Imaging and Vision, Vol. 31, 255–269, 2008.

There is also a full publication list available.

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