Method and system for fingerprint template matching

Details Method and system for fingerprint template matching Method and system for fingerprint template matching

2007-11-20

2007-11-20

Song, Hosuk (Department: 2135)

Electrical computers and digital processing systems: support

System access control based on user identification by...

C713S186000, C713S192000, C382S125000

Reexamination Certificate

active

10735898

ABSTRACT:
A method for matching templates and a system thereof. Each template includes a plurality of data chunks, each data chunk representing a minutia and comprising a location, a minutia angle and a neighborhood. The location is represented by two coordinates. In one embodiment, each coordinate and the minutia angle are quantized. The neighborhood includes positional parameters with respect to a selected minutia for a predetermined number of neighbor minutiae. In one embodiment, a neighborhood boundary is drawn around the selected minutia and neighbor minutiae are selected from the enclosed area. A reference template is compared to a measured template on a chunk-by-chunk basis. A chunk from each of the template is loaded into a random access memory (RAM). The location, minutia angle and neighborhood of the reference data chunk are compared with the location, minutia angle and neighborhood of the measured data chunk, respectively.

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