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Iris pit

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• Iris recognition

  noun a type of pattern recognition of a person’s iris recorded in a database for future attempts to determine or recognize a person’s identity when the eye is viewed by a reader Examples Iris recognition combines computer vision, pattern recognition, statistics, and the human-machine interface.

• Iris scan

  noun an electronic scan of the eye performed from about 10 cm to a few meters away, for identification purposes

• Iris-shutter

  noun 1. a camera shutter having a group of overlapping blades that open and close at the center when exposing film.

• Iridescent-seaweed

  noun 1. a red alga, Irideae cordata, found on the Pacific coast of North America, having broad, leathery, iridescent blades.

• Iridescent

  [ir-i-des-uh nt] /ˌɪr ɪˈdɛs ənt/ adjective 1. displaying a play of lustrous colors like those of the rainbow. noun 2. an iridescent cloth, material, or other substance: new fall dresses of imported iridescents. /ˌɪrɪˈdɛsənt/ adjective 1. displaying a spectrum of colours that shimmer and change due to interference and scattering as the observer’s position changes […]

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