Tenprint card selector and tenprint card preselector

Details Tenprint card selector and tenprint card preselector Tenprint card selector and tenprint card preselector

G - Physics

06

K

G06K 9/00 (2006.01) A61B 5/117 (2006.01)

Patent

CA 2187842

A tenprint selector comprises a fingerprint pattern level feature difference calculating unit which receives and compares a set of candidates for pattern level feature types of fingerprint images shown on file cards and a set of candidates for pattern level feature types of fingerprint images shown on a search card and calculates a pattern level feature difference, a card difference calculating unit which calculates a card difference based on the pattern level feature difference of the fingerprint images of all fingers shown on the file cards and the search card, and a judging unit which compares the card difference determined by the card difference calculating means with a predetermined card difference threshold value and judges, whether the file card shall be selected to be further checked with the search card.

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