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Segmentation in digital watermarking

  • US 7,068,809 B2
  • Filed: 08/27/2001
  • Issued: 06/27/2006
  • Est. Priority Date: 08/27/2001
  • Status: Expired due to Term
First Claim
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1. A method of embedding a digital watermark into a media signal comprising:

  • segmenting the media signal into arbitrary shaped regions according to at least one signal characteristic of the media signal;

    evaluating a feature of the regions; and

    modifying the feature to embed hidden auxiliary data in the media signal.

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