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Sven Grewenig

Former Research Assistant

Position:    Former Research Assistant E-mail: grewenig -at- mia.uni-saarland.de (please replace anti-spam -at- by @)

• 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

• S. Grewenig, J. Weickert, C. Schroers, A. Bruhn:
  Cyclic Schemes for PDE-Based Image Analysis.
  Technical Report No. 327, Department of Mathematics, Saarland University, Saarbrücken, Germany, March 2013.
• N. Persch, A. Elhayek, M. Welk, S. Grewenig, K. Narr, A. Kraegeloh, J. Weickert:
  Enhancing 3-D Cell Structures in Confocal and STED Microscopy:
  A Joint Model for Interpolation, Deblurring and Anisotropic Smoothing.
  Technical Report No. 321, Department of Mathematics,
  Saarland University, Saarbrücken, Germany, January 2013.
  
  
• 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
  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 K. N. Kutulakos (Ed.): Trends and Topics in Computer Vision.
  Lecture Notes in Computer Science, Vol. 6554, 372-383, Springer, Berlin, 2012
  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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