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Using meta-descriptors to represent multimedia information

  • US 6,411,724 B1
  • Filed: 07/02/1999
  • Issued: 06/25/2002
  • Est. Priority Date: 07/02/1999
  • Status: Expired due to Fees
First Claim
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1. A method of representing a plurality of multimedia information, comprising:

  • acquiring descriptors for the multimedia information;

    generating clusters of the descriptors;

    generating at least one meta-descriptors for the clusters; and

    attaching the at least one meta-descriptor to the multimedia information, including respectively attaching the meta-descriptors for the clusters to items of the multimedia information described by the descriptors in the clusters, wherein the meta-descriptor generating step comprises generating respective groups of data elements for each of the clusters indicating relevancy of the descriptors therein, wherein at least some of the descriptors are representations of features of an item of multimedia information belonging to a category of multimedia content, the features comprising an ordered set of features including color, texture, shape and sketch, and the category of multimedia content being still image; and

    the meta-descriptor generating step comprises generating respective binary vectors for each of the clusters indicating relevancy of the descriptors therein.

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