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System and method for content-based querying using video compression format

  • US 6,906,719 B2
  • Filed: 10/12/2002
  • Issued: 06/14/2005
  • Est. Priority Date: 10/12/2002
  • Status: Expired due to Term
First Claim
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1. A method of implementing a content based image query, comprising:

  • encoding at least two images in a sequence of frames;

    using an encoding ratio as a distance measure between the two images; and

    determining a degree of similarity between the two images by using the distance measure to estimate a differential amount of information between the two images.

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