Method and apparatus for processing biometric images
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United States of America Patent
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Sep 17, 2013
Grant Date -
Sep 10, 2009
app pub date -
Jun 21, 2004
filing date -
Jun 21, 2003
priority date (Note) -
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Abstract
A method and apparatus for applying gradient edge detection to detect features in a biometric, such as a fingerprint, based on data representing an image of at least a portion of the biometric. The image is modeled as a function of the features. Data representing an image of the biometric is acquired, and features of the biometric are modeled for at least two resolutions. The method and apparatus improves analysis of both high-resolution images of biometrics of friction ridge containing skin that include resolved pores and lower resolution images of biometrics without resolved pores.
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