Fingerprint authentication refers to the automated method of verifying a match of human fingerprints. Fingerprints are one of many forms of biometrics used to identify individuals and verify their identity.
Fingerprint processing has three primary functions: enrolment, searching and verification. Among these functions, enrolment which captures the fingerprint image from the sensor plays an important role. A reason is that the way people put their fingerprints on a mirror to scan can affect to the result in the searching and verifying process.