Global Contrast Factor - a New Approach to Image Contrast

  title={Global Contrast Factor - a New Approach to Image Contrast},
  author={Kresimir Matkovic and L{\'a}szl{\'o} Neumann and Attila Neumann and Thomas Psik and Werner Purgathofer},
  booktitle={Computational Aesthetics},
Contrast in image processing is usually defined as a ratio between the darkest and the brightest spots of an image. In this paper we introduce a different contrast definition. The newly introduced Global Contrast Factor (GCF) corresponds closer to the human perception of contrast. GCF uses contrasts at various resolution levels in order to compute overall contrast. Experiments were conducted in order to find weight factors needed to calculate GCF. GCF measures richness of detail as perceived by… CONTINUE READING
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