Method of host-directed illumination and system for conducting host-directed illumination
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United States of America Patent
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May 2, 2017
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app pub date -
Oct 26, 2015
filing date -
Aug 15, 2011
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Abstract
A method of host-directed illumination for verifying the validity of biometric data of a user is provided that includes capturing biometric data from a user with an authentication device during authentication and directing illumination of the biometric data from a host authentication system during the capturing operation. Moreover, the method includes comparing illumination characteristics of the captured biometric data against illumination characteristics expected to result from the directing operation, and determining that the user is a live user when the illumination characteristics of the captured biometric data match the illumination characteristics expected to result from the directing operation.
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