G - Physics – 06 – K
Patent
G - Physics
06
K
354/58
G06K 9/00 (2006.01) G06K 9/46 (2006.01)
Patent
CA 1038498
IMPROVED 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 peri- phery of the network from at least two sides. The split in the bifurca- tion 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.
203050
Ho Allen P.
Ting Yee-Ming
LandOfFree
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