Information about Biometrics Technology

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Biometrics refers to metrics related to human characteristics. Biometrics authentication (or realistic authentication)[note 1] is used in computer science as a form of identification and access control.[1] It is also used to identify individuals in groups that are under surveillance.

Biometric identifiers are the distinctive, measurable characteristics used to label and describe individuals.[2] Biometric identifiers are often categorized as physiological versus behavioral characteristics.[3] Physiological characteristics are related to the shape of the body. Examples include, but are not limited to fingerprint, palm veins, face recognitionDNApalm print,hand geometryiris recognitionretina and odour/scent. Behavioral characteristics are related to the pattern of behavior of a person, including but not limited to typing rhythmgait, and voice.[note 2] Some researchers have coined the termbehaviometrics to describe the latter class of biometrics.[4]

More traditional means of access control include token-based identification systems, such as a driver's license or passport, and knowledge-based identification systems, such as a password or personal identification number.[2] Since biometric identifiers are unique to individuals, they are more reliable in verifying identity than token and knowledge-based methods; however, the collection of biometric identifiers raises privacy concerns about the ultimate use of this information.[2][5]

According to a CSO article the biometrics market will be worth US$13.8 billion in 2015.[6]


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