Fingerprint classification is a procedure in which fingerprints are grouped in a consistent and reliable way, such that different impressions of a same finger fall into a same group. It can be viewed as a coarse-level pre-matching procedure so that a query fingerprint needs to be further compared with only a smaller subset of fingerprints in the database belonging to the same group. It is often necessary to integrate a classification module into a fingerprint identification system to speed up the database search. A database can be partitioned into human-interpretable fingerprint classes based on Galton–Henry scheme or into machine-generated fingerprint classes.
A fingerprint recognition system captures a user’s fingerprint and compares it with the information stored in a database to establish or to authenticate his/her identity. If an identity is claimed, the system compares the...
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