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Steganographic encoding and decoding

  • US 9,185,260 B2
  • Filed: 12/09/2014
  • Issued: 11/10/2015
  • Est. Priority Date: 07/02/2004
  • Status: Active Grant
First Claim
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1. In a digital watermark encoder, a method of encoding auxiliary information in imagery comprising:

  • using a programmed electronic processor, analyzing data representing the imagery to determine whether a color value comprises color saturation;

    adjusting the data representing the imagery to adjust the color saturation into a linear region, said adjusting yielding adjusted data;

    encoding the auxiliary information in the adjusted data, said encoding adapted to an anticipated watermark detection.

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