Asymmetric anisotropic diffusion

  • Authors:
  • Romulus Terebes;Olivier Lavialle;Christian Germain;Monica Borda;Sorin Pop

  • Affiliations:
  • Technical University of Cluj-Napoca, Cluj-Napoca, Romania;CNRS, IMS, UMR, Talence, France and University of Bordeaux, ENITAB, Gradignan, France;CNRS, IMS, UMR, Talence, France and University of Bordeaux, ENITAB, Gradignan, France;Technical University of Cluj-Napoca, Cluj-Napoca, Romania;Technical University of Cluj-Napoca, Cluj-Napoca, Romania

  • Venue:
  • ICIP'09 Proceedings of the 16th IEEE international conference on Image processing
  • Year:
  • 2009

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Abstract

We introduce a new anisotropic diffusion based approach for image filtering and enhancement. The main novelty of our method consists in considering a modulo 2π based definition of the diffusion axis along the main directions of the processed image. Such an asymmetric formulation of the filter induces better junction and corner preservation properties coupled with a good noise removal capacity.