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Detecting Embedded Signals in Media Content Using Coincidence Metrics

  • US 20090136085A1
  • Filed: 05/06/2008
  • Published: 05/28/2009
  • Est. Priority Date: 01/13/2000
  • Status: Active Grant
First Claim
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1. A method of detecting an embedded signal in a media signal, the method comprising:

  • receiving blocks of the media signal;

    computing a detection metric for the blocks, the detection metric comprises a measure of coincidence of detection parameters of different blocks; and

    performing subsequent detection operations based on the measure of coincidence of the detection parameters.

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