Biometric fingerprint recognition
A biometric is a biological characteristic or trait that is unique to an individual and that can be accurately measured. A biometric that can be stored and accessed in an efficient manner can be used to identify an individual or to verify the identity of an individual. any automated techniques are currently in use or under development, including fingerprint, palm print, finger pores, hand geometry, iris, retina, and face recognition. Fingerprint identification is one of the oldest and best-established methods of objective identification, originally being used in law enforcement. Fingerprint identification, which exploits characteristics of fingerprints such as individuality and lifelong invariance, is effective in identifying a user on an information appliance or in information service. An individual's fingerprints are unique and have been used to learn the identification of an individual by comparison searching through a fingerprint database that contains the name of the possessor of the fingerprints or by comparing a current fingerprint of claimed person to a fingerprint the person filed on record when earlier establishing his or her identity. An automatic fingerprint identification operation normally consists of two stages. The first is the registration stage and the second is the identification stage. In the identification stage, print features from an individual and personal information are extracted to form what is typically referred to as a search record. The search record is then compared with the enrolled file records in the database of the fingerprint matching system. An identification is made when a match between the unknown fingerprint image (FPI) and an FPI stored in the FPI database is found that has a sufficient reliability that the probability of a false positive is below a predetermined threshold.
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