Optimization methods for the insertion, protection, and detection of digital watermarks in digital data

  • US 7,953,981 B2
  • Filed: 08/10/2009
  • Issued: 05/31/2011
  • Est. Priority Date: 07/02/1996
  • Status: Expired due to Fees
First Claim
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1. An article of manufacture comprising a non-transitory machine readable medium, having thereon stored instructions adapted to be executed by a processor, which instructions when executed by a processor result in a process comprising:

  • providing a watermark and a signal to be encoded;

    attaching a timestamp to the watermark; and

    encoding the signal with the timestamp and the watermark.

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