Welcome to the homepage of

Sven Grewenig

Research Assistant

Position: Dipl.-Math. / Research Assistant Phone: +49-681-302-57356 Fax: +49-681-302-57342 E-mail: grewenig -at- mia.uni-saarland.de Address: Faculty of Mathematics and Computer Science Saarland University, Building E1 7 66123 Saarbrücken, Germany Office: Room 4.09 (Building E1 7, Saarbrücken Campus, visitor information)

• Nonlinear Diffusion Filtering
• Fast Explicit Diffusion Schemes
• Differential Equations
• Nonlocal Image Analysis

Theses

• S. Grewenig:
  Extrapolationsverfahren für nichtlineare zweidimensionale Diffusionsprobleme
  Diplomarbeit, Dept. of Mathematics, Saarland University, 2008.

Technical Reports

• P. Gwosdek, H. Zimmer, S. Grewenig, A. Bruhn, J. Weickert
  Highly Efficient GPU Implementation for Variational Optic Flow
  Based on the Euler-Lagrange Framework
  Technical Report No. 267, Department of Mathematics,
  Saarland University, Saarbrücken, Germany, July 2010.
  
  
• S. Grewenig, S. Zimmer, J. Weickert:
  Rotationally Invariant Similarity Measures for Nonlocal Image Denoising.
  Technical Report No. 265, Department of Mathematics, Saarland University, Saarbrücken, Germany, July 2010.


• L. Pizarro, P. Mrázek, S. Didas, S. Grewenig, J. Weickert:
  Generalised nonlocal image smoothing.
  Technical Report No. 248, Department of Mathematics, Saarland University, Saarbrücken, Germany, September 2009.

Journal Papers

• S. Grewenig, S. Zimmer, J. Weickert:
  Rotationally Invariant Similarity Measures for Nonlocal Image Denoising.
  Journal of Visual Communication and Image Representation
  Vol. 22, 117-130, February 2011
  Revised version of Technical Report No. 265, Department of Mathematics,
  Saarland University, Saarbrücken, Germany, July 2010.


• L. Pizarro, P. Mrázek, S. Didas, S. Grewenig, J. Weickert:
  Generalised Nonlocal Image Smoothing.
  International Journal of Computer Vision, Vol. 90, No. 1, 62-87
  October 2010
  Revised Version of Technical Report No. 248, Department of Mathematics,
  Saarland University, Saarbrücken, Germany, September 2009.

Conference Papers

• P. Gwosdek, S. Grewenig, A. Bruhn, J. Weickert
  Theoretical Foundations of Gaussian Convolution by Extended Box Filtering
  In A. M. Bruckstein, B. ter Haar Romeny, A. M. Bronstein, M. M. Bronstein (Eds.):
  Scale Space and Variational Methods in Computer Vision.
  Lecture Notes in Computer Science, Vol. 6667, 447-458, Springer, Berlin, 2012.
  


• P. Gwosdek, H. Zimmer, S. Grewenig, A. Bruhn, J. Weickert:
  A Highly Efficient GPU Implementation for Variational Optic Flow
  Based on the Euler-Lagrange Framework
  In Computer Vision with GPUs, Proc. 3rd ECCV Workshop CVGPU 10,
  Heraklion, Greece, Sep 2010.
  Revised version of Technical Report No. 267, Department of Mathematics,
  Saarland University, Saarbrücken, Germany, July 2010.
  


• S. Grewenig, J. Weickert, A. Bruhn:
  From box filtering to fast explicit diffusion.
  In M. Goesele, S. Roth, A. Kuijper, B. Schiele, K. Schindler (Eds.): Pattern Recognition.
  Lecture Notes in Computer Science, Vol. 6376, 533-542, Springer, Berlin, 2010.
  Awarded the DAGM 2010 Main Prize (Best Paper Award).

• DAGM, 32nd Annual Symposium of the German Association for Pattern Recognition,
  Darmstadt, Germany, September 2010
  
  
• GAMM, 82nd Annual Scientific Conference, Graz, Austria, April 2011
  
  
• Dagstuhl Seminar "Efficient Algorithms for Global Optimisation Methods
  in Computer Vision", Dagstuhl, Germany, November 2011

• DAGM 2010 Main Prize (Best Paper Award)
  
  

Journals

• IEEE Transactions on Pattern Analysis and Machine Intelligence
• Journal of Mathematical Imaging and Vision (JMIV)
• Electronic Letters on Computer Vision and Image Analysis (ELCVIA)
• NeuroImage
• Image and Vision Computing
• SIAM Journal on Numerical Analysis (SINUM)
• Signal Image and Video Processing

Conferences

• DAGM 2009, DAGM 2010
• ECCV 2010
• SSVM 2009

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