Biometrics
Biometrics refers to the automatic identification of a person based on his or her physiological or behavioral characteristics like fingerprint, or iris pattern, or some aspects of behaviour like handwriting or keystroke patterns. Biometrics is being applied both to identity verification. The problem each involves is somewhat different. Verification requires the person being identified to lay claim to an identity. So the system has two choices, either accepting or rejecting the person’s claim. Recognition requires the system to look through many stored sets of characteristics and pick the one that matches the unknown individual being presented. BIOMETRIC system is essentially a pattern recognition system, which makes a personal identification by determining the authenticity of a specific physiological or behavioral characteristics possessed by the user.
Biometrics is a rapidly evolving technology, which is being used in forensics Such as criminal identification and prison security, and has the potential to be used in a large range of civilian application areas. Biometrics can be used transactions conducted via telephone and Internet (electronic commerce and electronic banking. In automobiles, biometrics can replace keys with key-less entry devices.
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