Authentication with variable biometric templates
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United States of America Patent
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Issued Date -
Nov 21, 2002
app pub date -
May 17, 2002
filing date -
May 18, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to systems and methods for using a template in the authentication process using biometric data. In one embodiment, a module modifies a template of the reference set of biometric data with the candidate set of biometric data when the user is authenticated. In another embodiment, a module modifies a copy of the template of the reference biometric data with modification data thereby creating a challenge template. The client compares the challenge template to a candidate set of biometric data thereby creating a response vector. A module authenticates the user based on the response vector and the modification data.
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