Date Added: May 2013
Biometrics is a growing technology, which has been widely used in forensics, secured access and prison security. A biometric system is fundamentally a pattern recognition system that recognizes a person by determining the authentication by using his different biological features i.e. Fingerprint, retina-scan, iris scan, hand geometry, and face recognition are leading physiological biometrics and behavioral characteristic are voice recognition, keystroke-scan, and signature-scan. In this paper, different biometrics techniques such as Iris scan, retina scan and face recognition techniques are discussed.