Multi-scale binarization of images

  • Authors:
  • Salvatore Tabbone;Laurent Wendling

  • Affiliations:
  • Université Nancy 2, LORIA, Campus Scientifique, B.P. 239, 54506 Vandoeuvre-lès-Nancy Cedex, France;Université Nancy 2, LORIA, Campus Scientifique, B.P. 239, 54506 Vandoeuvre-lès-Nancy Cedex, France

  • Venue:
  • Pattern Recognition Letters
  • Year:
  • 2003

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Abstract

In this paper, we propose an original approach for the binarization of gray-level images. A multi-scale algorithm based on a statistical test of homogeneity decides if a region belongs to the background or not. At each iteration the image is smoothed with a nonlinear filter to remove the noise. Stable regions in scale space are used as a model to automatically find a threshold from the intensity histogram.