Multimodal ocular biometric system and methods
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United States of America Patent
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May 1, 2012
Grant Date -
Oct 16, 2008
app pub date -
Sep 10, 2007
filing date -
Sep 15, 2006
priority date (Note) -
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Abstract
Biometric systems capture and combine biometric information from more than one modality, employing digital processing algorithms to process and evaluate captured images having data for a biometric characteristic. Such digital algorithms may include a pupil segmentation algorithm for determining a pupil image in the captured image, an iris segmentation algorithm for determining an iris image in the captured image, an eyelid/eyelash segmentation algorithm for determining an eyelid/eyelash image in the captured image, and an algorithm for measuring the focus on the iris. Some embodiments employ an auto-capture process which employs such algorithms, in part, to evaluate captured images and obtain the best possible images for biometric identification.
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