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Person recognizing apparatus which can reduce time and year changing effects and method therefor

  • US 6,608,914 B1
  • Filed: 12/11/1998
  • Issued: 08/19/2003
  • Est. Priority Date: 12/12/1997
  • Status: Expired due to Term
First Claim
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1. A person recognizing apparatus, comprising:

  • a feature pattern extracting means for extracting a feature pattern obtainable from at least one person to be recognized;

    a recognition information calculating means for calculating recognition information containing at least one subspace corresponding to each of said at least one person to be recognized, from the calculation amount extracted by said feature pattern extracting means;

    a registered information holding means for holding recognition information corresponding to each of said at least one person to be recognized, as registered recognition information;

    a recognizing means for recognizing the person by using recognition information calculated by said recognition information calculating means or a feature pattern extracted by said feature pattern extracting means and the registered recognition information held in said registered information holding means;

    a registered information updating means for updating the registered recognition information held in said registered information holding means by using at least one of first, second and third updating methods, said first updating method being to update the subspace included in said registered recognition information corresponding to each of said at least one person to be recognized by use of the recognition information calculated by said recognition information calculating means or the feature pattern extracted by said feature pattern extracting means, said second updating method being to combine a new subspace with said subspace by use of the recognition information and the feature pattern, and said third updating method being to add a subspace having been used in the recognition.

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