Biometrics

Biometrics is the study of automated methods for uniquely recognizing humans based upon one or more intrinsic physical or behavioural traits.

Examples of physical characteristics include fingerprints, eye retinas and irises, facial patterns and hand measurements, while examples of mostly behavioural characteristics include signature, gait and typing patterns. Voice is considered a mix of both physical and behavioural characteristics. However, it can be argued that all biometric traits share physical and behavioural aspects.

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