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Identification and security using biometric measurements

  • US 5,991,408 A
  • Filed: 05/16/1997
  • Issued: 11/23/1999
  • Est. Priority Date: 05/16/1997
  • Status: Expired due to Fees
First Claim
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1. A method for enrolling at least a first user in a biometric based verification system, comprising the steps of:

  • receiving from a sensor a representation of a biometric element of the first user, the representation including a plurality of biometric features;

    determining a graph representing the relationships between the plurality of biometric features;

    adding a plurality of camouflaging vertices and edges to the graph to create a camouflaged graph; and

    storing the camouflaged graph with a first user identity information, the first user identity information identifying the first user as being the source of the plurality of biometric features.

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