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PERCEPTABILITY MODEL APPLIED TO WATERMARK SIGNALS

  • US 20090087018A1
  • Filed: 03/28/2008
  • Published: 04/02/2009
  • Est. Priority Date: 04/15/2003
  • Status: Active Grant
First Claim
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1. A method comprising:

  • obtaining data representing visual media;

    analyzing the data to determine perceptibility attributes of the data;

    varying a digital watermark signal relative to the data with reference to the perceptibility attributes, said act of varying maintains a predetermined perceptibility level across the signal;

    embedding the digital watermark signal in the data.

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