Method and device for allocating core points of finger prints

Details Method and device for allocating core points of finger prints Method and device for allocating core points of finger prints

1991-04-23

1992-08-18

Brinich, Stephen

Image analysis

Histogram processing

For setting a threshold

G06K 900

Patent

active

051406420

ABSTRACT:
A method to automatically find out the actual position of the core point of a finger print by using the characteristic of the ridge flow of finger prints. This method comprises three parts: (1) ridge flow finding algorithm, (2) ridge flow correction algorithm and (3) core point allocation algorithm.

REFERENCES:
patent: 4083035 (1978-04-01), Riganati et al.
patent: 4151512 (1979-04-01), Riganati et al.
patent: 4185270 (1980-01-01), Fischer, II et al.
patent: 4752966 (1988-06-01), Schiller
patent: 5040224 (1991-08-01), Hara

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