Human Face Recognition
|Biometrics and Human biometrics characteristics|
Biometrics are used to identify the identity of an input sample when compared to a template, used in cases to identify specific people by certain characteristics.
Common Human biometric characteristics
Classification of some biometric traits:
Biometric characteristics can be divided in two main classes, as represented in figure on the right:
Physiological are related to the shape of the body. The oldest traits, that have been used for more than 100 years, are fingerprints. Other examples are face recognition, hand geometry and iris recognition.
Behavioral are related to the behavior of a person. The first characteristic to be used, still widely used today, is the signature. More modern approaches are the study of keystroke dynamics and of voice.
Strictly speaking, voice is also a physiological trait because every person has a different pitch, but voice recognition is mainly based on the study of the way a person speaks, commonly classified as behavioral.
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