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

  • US 7,647,502 B2
  • Filed: 11/15/2006
  • Issued: 01/12/2010
  • Est. Priority Date: 07/02/1996
  • Status: Expired due to Fees
First Claim
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1. A method for encoding at least one watermark in a content signal, comprising:

  • predetermining a number of bits in the content signal to be encoded, based on at least one of a fixed length key and signal characteristics of the content signal; and

    encoding the watermark in the predetermined bits.

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