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Automated verification and prevention of spoofing for biometric data

  • US 5,987,153 A
  • Filed: 04/29/1996
  • Issued: 11/16/1999
  • Est. Priority Date: 04/29/1996
  • Status: Expired due to Fees
First Claim
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1. A method for verification of biometric data, said method comprising the steps ofreceiving template biometric data known to be associated with at least one authorized person;

  • receiving test biometric data;

    comparing said test biometric data against said template biometric data; and

    verifying said test biometric data, responsive to said step of comparing, only if both (1) said test biometric data is sufficiently similar to said template biometric data to indicate that said test biometric data is associated with said at least one authorized person, and (2) said test biometric data is not so similar to said template biometric data as to indicate that said test biometric data was spoofed.

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