Chapter 56

Biometrics

Luther Martin,    Voltage Security

Biometrics is the analysis of biological observations and phenomena. People routinely use biometrics to recognize other people, commonly using the shape of a face or the sound of a voice to do so. Biometrics can also be used to create automated ways of recognizing a person based on her physiological or behavioral characteristics. Using biometrics as the basis of technologies that can be used to recognize people is not a new idea; there is evidence that fingerprints were used to sign official contracts in China as early as AD 700 and may have been used by ancient Babylonian scribes to sign cuneiform tablets as early as 2000 BC.1 In both of these cases, a fingerprint was pressed in clay to ...

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