Multi-scale binarization of images

@article{Tabbone2003MultiscaleBO,
  title={Multi-scale binarization of images},
  author={Salvatore Tabbone and Laurent Wendling},
  journal={Pattern Recognition Letters},
  year={2003},
  volume={24},
  pages={403-411}
}
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. 2002 Elsevier Science B.V. All rights reserved. 
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