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System and method of hash string extraction

  • US 7,564,997 B2
  • Filed: 10/24/2005
  • Issued: 07/21/2009
  • Est. Priority Date: 07/25/2001
  • Status: Expired due to Term
First Claim
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1. A method of generating biometric data comprising:

  • extracting feature data from a set of biometric data corresponding to a biometric sample;

    encoding the extracted feature data with a processor to create one or more enrollment templates of encoded features, said encoding including determining a plurality of features in the extracted feature data, determining at least a parameter associated with each of the plurality of features, and providing subset data corresponding to a plurality of overlapping subsets of the features, at least some of the overlapping subsets including fewer than all of the features within the set of data; and

    generating an enrollment string of symbols representing said encoded features with the processor.

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