FINGER SENSING DEVICE USING INDEXING AND ASSOCIATED METHODS
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United States of America Patent
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Issued Date -
Jan 17, 2008
app pub date -
Jul 17, 2007
filing date -
Jul 17, 2006
priority date (Note) -
Abandoned
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Abstract
A finger sensing device includes a finger sensing area, and a processor cooperating therewith for reducing a number of possible match combinations between a sensed finger data set and each of a plurality of enrolled finger data sets. The processor may reduce the number of possible match combinations by generating a plurality of overlap hypotheses for each possible match combination, generating a co-occurrence matrix score based upon the plurality of overlap hypotheses for each possible match combination, and comparing the co-occurrence matrix scores to thereby reduce the number of possible match combinations. The processor may also perform a match operation for the sensed finger data set based upon the reduced number of possible match combinations. The sensed finger data set may include a sensed finger ridge flow data set, and each enrolled finger data set may include an enrolled finger ridge flow data set.
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