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Illuminant estimation

  • US 8,811,729 B2
  • Filed: 01/17/2013
  • Issued: 08/19/2014
  • Est. Priority Date: 11/08/2006
  • Status: Active Grant
First Claim
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1. A non-transitory program storage device comprising instructions stored thereon to cause one or more processors to:

  • obtain access to a first image having a first set of spectral components;

    obtain access to a second image having a second set of spectral components, wherein the first and second images are mutually corresponding images;

    select a particular fraction of pixels from each of the first and second images in descending order of brightness; and

    generate a chromagenic illuminant estimation based, at least in part, on the selected particular fraction of pixels.

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