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Method of and device for collating data, and computer product

  • US 20040015457A1
  • Filed: 10/24/2001
  • Published: 01/22/2004
  • Est. Priority Date: 03/21/2001
  • Status: Active Grant
First Claim
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1. A computer program containing instructions which when executed on a computer causes the computer to realize:

  • a feature amount data extracting unit which extracts feature amount data from a physical amount data;

    a feature-amount difference data computing unit which calculates a difference between the feature amount data and a predetermined reference feature amount data as the feature-amount difference data;

    a registering unit which registers the feature-amount difference data in a database; and

    a collating unit which collates the feature-amount difference data corresponding to the physical amount data input upon collation with the feature amount difference data registered in said database, and outputs the result of collation.

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