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Bio metrics is the word derived from Greek words "Bio" means (life) & "Metrics" means (to measure). Bio metrics is the science of measuring human characteristics for the purpose of authenticating or identifying the identity of an individual. Biometrics System is used for automated recognition of an individual. In Information system in particular biometrics is used as a form of identity access management and access control. It is also used to identify individuals in groups that are under surveillance. In this paper, palm-print biometric is used for personal authentication. Various feature extraction methods to be discussed and compared are Forstner operator, SUSAN operator, Wavelet based salient point detection and Trajkovic and Hedley corner detector.
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