Color image enhancement based on Hue differential histogram equalization

  title={Color image enhancement based on Hue differential histogram equalization},
  author={Janani Purushothaman and Minako Kamiyama and Akira Taguchi},
  journal={2016 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS)},
Histogram equalization (HE) is one of the simplest and effective methods for contrast enhancement. The contrast of an image is increased by HE. But HE fails to produce satisfactory results for wide range of low contrast images, because HE does not use a spatial feature that is included in an original image. In order to overcome this disorder the differential gray-levels histogram equalization (DHE) has been proposed. In this paper, we extend the DHE to color image processing. Then, hue and… CONTINUE READING


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