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Circuitry for image processing

  • US 9,449,578 B2
  • Filed: 09/21/2012
  • Issued: 09/20/2016
  • Est. Priority Date: 09/21/2011
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • increasing color saturation of RGB (red, green, blue) values of pixels of an image by,calculating a luminance value (Y) based on RGB values of a first pixel;

    calculating a first maximum increase (SFmaxH) of color saturation based on a highest of said RGB values and on said luminance value;

    calculating a second maximum increase (SFmaxL) of color saturation based on a lowest of said RGB values and on said luminance value;

    increasing the color saturation of said first pixel in the RGB color space based on said first and second maximum increases; and

    modifying the increased color saturation of the first pixel in the RGB color space based on a modification defined in the HSV (Hue, Saturation, Value) color space.

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