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Search for a Watermark in a Data Signal

  • US 20090013188A1
  • Filed: 01/29/2007
  • Published: 01/08/2009
  • Est. Priority Date: 01/30/2006
  • Status: Abandoned Application
First Claim
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1. Method of searching for a watermark in a data signal, the method comprising:

  • determining a search space for the data signal;

    selecting a subspace of the search space; and

    searching for the presence of the watermark in the subspace.

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