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Color adaptive watermarking

  • US 20040125983A1
  • Filed: 07/03/2003
  • Published: 07/01/2004
  • Est. Priority Date: 02/14/2000
  • Status: Active Grant
First Claim
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1. A method of color masking an image comprising:

  • reading color values of an image sample and a corresponding change of an attribute of the image sample; and

    based on the color values of the image sample, mapping the change in the image sample attribute to a change in color components of the image sample that is equivalent to the change in the image sample attribute, yet reduces visibility of the change in the image sample attribute for the specific color values of the image sample.

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