Method for imaging fingerprints and concealing latent fingerprints
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United States of America Patent
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Mar 18, 2003
Grant Date -
N/A
app pub date -
Apr 26, 1999
filing date -
Apr 26, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of operating a personal verification system includes acquiring with a sensor a first image of a first biometric feature, removing background noise associated with the sensor from the image, and storing at least a portion of the first image. The method also includes acquiring with the sensor a second image of a second biometric feature and comparing at least a portion of the second image with the first image. If the second image is substantially different from the first image, the second image is displayed.
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