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Indexed processing of color image data

  • US 5,517,334 A
  • Filed: 06/10/1994
  • Issued: 05/14/1996
  • Est. Priority Date: 04/14/1992
  • Status: Expired due to Term
First Claim
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1. A method of processing color information of an image in an image processing system, said image having a plurality of pixels, said method comprising:

  • A) determining a representative color value for each pixel in said image such that a first plurality of representative color values is determined, at least one pixel in said plurality of pixels having a color value which is not equal to its representative color value in said first plurality of representative color values said first plurality of representative color values corresponding to a plurality of color volume elements which together contain at least a portion of a color space;

    B) providing an index value for each pixel in said image, each index value representing a particular representative color value in said first plurality of representative color values;

    C) processing said image by modifying said first plurality of representative color values.

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