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Semi-fragile watermarking system for MPEG video authentication

  • US 20020178368A1
  • Filed: 05/24/2001
  • Published: 11/28/2002
  • Est. Priority Date: 05/24/2001
  • Status: Active Grant
First Claim
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1. A method of providing digital watermarking of a digital media containing predetermined digital content, comprising the steps of:

  • extracting at least one feature from said digital content;

    constructing a first watermark component from said extracted feature;

    constructing a second watermark component from said extracted feature;

    embedding said first watermark component within said second watermark component to define a dual component watermark; and

    embedding said dual component watermark in said digital content.

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