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Biometrics with spatiospectral spoof detection

  • US 7,801,339 B2
  • Filed: 07/31/2006
  • Issued: 09/21/2010
  • Est. Priority Date: 07/31/2006
  • Status: Active Grant
First Claim
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1. A method of performing a biometric function on a purported skin site, the method comprising:

  • illuminating the purported skin site under a plurality of distinct optical conditions;

    receiving spatially distributed multispectral light reflected from the purported skin site;

    deriving a feature value for each of a plurality of features from the received light;

    performing a comparison of the derived feature value for each of the plurality of features with reference feature values; and

    determining whether the purported skin site is a true skin site from the comparison.

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