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Method for adjusting the brightness of a digital image utilizing belief values

  • US 20040218832A1
  • Filed: 04/30/2003
  • Published: 11/04/2004
  • Est. Priority Date: 04/30/2003
  • Status: Active Grant
First Claim
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1. A method of processing a digital image, comprising the steps of:

  • a) assigning belief values to pixels in the digital image, wherein the belief values are proportional to a belief that the pixels are associated with human skin;

    b) calculating a brightness adjustment amount based on a statistic of the pixels with belief values exceeding a threshold and the assigned belief values of the pixels; and

    c) applying the brightness adjustment amount to the digital image to produce a processed digital image having improved overall brightness.

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