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Indexing method for image search engine

  • US 6,084,595 A
  • Filed: 02/24/1998
  • Issued: 07/04/2000
  • Est. Priority Date: 02/24/1998
  • Status: Expired due to Term
First Claim
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1. A method of feature vector indexing, comprising the steps of:

  • providing a plurality of feature vectors, each feature vector indicative of one of a plurality of objects, wherein each feature vector comprises at least one primitive, each primitive being associated with an attribute of the object and identifying a plurality of features, each feature having an associated feature coefficient;

    using a distance metric to select index values which are indicative of features of the feature vector;

    providing a target feature vector and a plurality of user weights;

    generating a constraint based on the target feature vector and the plurality of user weights; and

    applying the constraint to the index values so as to select a subset of the feature vectors.

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