Spatial-spectral fingerprint spoof detection
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United States of America Patent
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Sep 28, 2010
Grant Date -
Jan 31, 2008
app pub date -
Jul 31, 2006
filing date -
Jul 31, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Methods and apparatus are provided of deriving a discrimination feature set for use in identifying biometric spoofs. True skin sites are illuminated under distinct optical conditions and light reflected from each of the true skin sites is received. True-skin feature values are derived to characterize the true skin sites. Biometric spoofs is similarly illuminated under the distinct optical conditions and light reflected from the spoofs is received. Spoof feature values are derived to characterize the biometric spoofs. The derived true-skin feature values are compared with the derived spoof feature values to select a subset of the features to define the discrimination feature set.
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