Image analysis – Applications – Personnel identification
Reexamination Certificate
2006-02-21
2006-02-21
Mehta, Bhavesh M. (Department: 2625)
Image analysis
Applications
Personnel identification
C382S125000, C340S005530, C340S005830, C356S071000
Reexamination Certificate
active
07003142
ABSTRACT:
The invention relates to a method for registering fingerprint information via a sensing surface A. The method comprises scanning part surfaces A′1in the sensing surface A, checking whether the centre point P1, with its immediate surrounding area A″1, of each scanned part surface A′1is unique within the part surface A′1, and registering a first number of centre points P1which, with their respective immediate surrounding areas A″1, are unique within their respective part surfaces A′1. The respective immediate surrounding areas A″1of the points and the respective part surfaces A′1of the points are also registered.The invention also relates to a method for verifying fingerprint information, in which verification is carried out on the basis of registered information relating to a fingerprint which is to be approved in the verification method. The method comprises a number of part surfaces A′1with their respective centre points P1in the fingerprint whose information is registered being compared with corresponding part surfaces A′2on the sensing surface A. If there is a point P2on a part surface A′2on the sensing surface A which, with its immediate surrounding area A″2, corresponds to the registered centre point P1, including its immediate surrounding area A″1in the corresponding stored part surface A′1, the point P2with its part surface A′2is approved. If a certain number of points P2with associated part surfaces A′2have been approved, these are selected for a first step in further processing.
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Wiebe et al., Precise Biomerics p. 33 (1998).
Fingerprint Cards AB
Mehta Bhavesh M.
Strege John
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