1. The study of biological data by means of statistical analysis.

2. The science and technology of establishing identity by means of measurement of an individual's physiological or behavioural characteristics.

[From Greek *bios* - life and *metron* - measure]

Physiological characteristics examples:

• Fingerprints

• Eye retinas

• Eye irises

• Facial patterns

• DNA

Behavioural characteristics examples:

• Signature recognition

• Gait recognition

• Typing recognition

In a modern computerised biometric system, a person will have a biometric measurement taken and the data will be processed by means of a mathematical algorithm to produce a digital representation that can be entered into the computer database.

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