Minutiae recognition system

Details Minutiae recognition system Minutiae recognition system

G - Physics

06

K

354/58

G06K 9/50 (2006.01) G06K 9/00 (2006.01) G06K 9/46 (2006.01)

Patent

CA 1038497

MINUTIAE RECOGNITION SYSTEM Abstract of the Disclosure A system for detecting bifurcations and ridge endings (minutiae) in a fingerprint or on similar patterns in which two lines merge into one. The print is optically scanned, converted into electrical signals and entered into a novel continuity logic network. The presence of a bifurcation in the network results in three distinct outputs on the periphery of the network from at least two sides. The split in the bifurcation may also be detected by reversing the polarity of the electrical signals and detecting a single output. Means are also provided for ensuring that a single bifurcation is detected only once. Ridge endings are treated as reverse-polarity bifurcations and can be detected by the same system elements.

203049

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