Comparative texture analysis of tissue for biometric spoof detection
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United States of America Patent
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Feb 23, 2010
Grant Date -
Mar 23, 2006
app pub date -
Sep 1, 2005
filing date -
Apr 4, 2003
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Abstract
Methods are described of evaluating the genuineness of a sample presented for biometric evaluation. The sample is illuminated under distinct optical conditions. Light scattered from the sample is received. Multiple images are formed, each image being formed from the received light for one of the optical conditions. A set of texture measures is generated, each texture measure being generated from one of the images. It is determined whether the generated texture measures is consistent with the sample being authentic unconcealed biological tissue.
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