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Biometric is the science of establishing the identity of on individual based on physical or behavioral traits such as face, fingerprint, Iris. The increasing popularity of biometrics offers personal identification systems greater security and convenient than password authentication system. A biometric system operates by acquiring raw biometric data from a subject, extracting a feature set from the data and comparing the feature set against the template stored in a database in order to identify person. At the same time there is a possible to intruder can access the database which stored the biometric data. So the security and privacy of biometric system is a major concern due to their issues like fake biometric, override matcher and etc.
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