G - Physics – 06 – K
Patent
G - Physics
06
K
354/58
G06K 9/00 (2006.01)
Patent
CA 1181176
-77- ABSTRACT OF THE INVENTION A machine or process for comparing fingerprints based on the correspondence between fingerpring minutiae. The pattern of minutiae in an unknown or search fingerprint is rotated and translated to obtain approximate registration with the pattern of minutiae in a known on file fingerprint. Following rotation and translation, only those search and file fingerprints that exhibit a sufficient number of mating minutiae between the fingerprints are compared further. For each pair of mating search and file minutiae, the neighboring mating minutiae are compared and an individual minutia "match score" is determined based on the degree of correspondence between the other mating pairs of minutiae within a specified neighborhood of the individual pair of mating search and file minutiae. The individual "match scores" for each of the mating minutiae are summed to yield a total score that is indicative of the correspondence between the search and the file finger- prints.
388185
Kirby Eades Gale Baker
Thomas de La Rue And Company Limited
LandOfFree
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