Minutia data extraction in fingerprint identification

Details Minutia data extraction in fingerprint identification Minutia data extraction in fingerprint identification

1989-12-06

1992-04-28

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 4, 356 71, G06K 900

Patent

active

051094282

ABSTRACT:
An apparatus used in fingerprint identification for extracting minutia data from fingerprint image data. An optical sensor unit optically produces a sequence of fingerprint image data during a single operation of pressing a fingerpad onto an inspection plate in a direction substantially transverse to the plate and with increasing pressure over a time interval. A data storing unit stores the produced fingerprint image data in the form of a sequence of fingerprint image data obtained during the single operation of pressing the fingerpad onto the inspection plate. The stored fingerprint image data is utilizable for identification of the fingerprint.

REFERENCES:
patent: 4752966 (1988-06-01), Schiller
patent: 4933976 (1990-06-01), Fishbine et al.

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