Method and apparatus for optical fingerprint recognition using multiple scan
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United States of America Patent
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Jul 19, 2016
Grant Date -
Sep 25, 2014
app pub date -
Jun 14, 2013
filing date -
Mar 22, 2013
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Abstract
A method for an optical fingerprint recognition, the method includes scanning a fingerprint image using a multiple scan which allows alternating a first scan condition and a second scan condition different from each other; determining whether an input fingerprint is a dry fingerprint depending on a darkness level of a fingerprint image derived from the first scan condition; and performing a fingerprint recognition using a fingerprint image derived from the first scan condition or a fingerprint image derived from the second scan condition in accordance with the determination result as to the dry fingerprint.
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