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

  • US 7,844,074 B2
  • Filed: 06/30/2008
  • Issued: 11/30/2010
  • 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 result in a process comprising:

  • identifying signal characteristics within the digital signal, which signal characteristics are suitable for embedding one or more bits of a watermark message;

    using a watermarking key to detect the watermark message from the identified signal characteristics.

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