A Computer Oriented Single Fingerprint Identification System
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A Computer Oriented Single-fingerprint Identification System
A procedure is described for computing a set of numerical descriptors that identify a single fingerprint. The procedure starts with the X and Y coordinates and the individual directions of the minutiae (ridge endings and bifurcations) of a fingerprint impression. Sets of descriptors are computed corresponding to groups or constellations of these minutiae. Descriptors corresponding to various fingerprint impressions are stored on magnetic tape. A fragment of a fingerprint impression such as occurs in a latent fingerprint may also be used. A second computer program reads the descriptors corresponding to two different fingerprint impressions from magnetic tape. A score is computed that indicates how well the two impressions match. Preliminary experimental results suggest that this procedure might be suitable as a basis for a single-fingerprint classification system. (Author).