finger vein authentication

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finger vein authentication2016-11-25T20:33:39+00:00

finger vein authentication

finger vein authentication image from New Medical Terms

finger vein authentication


Definition A biometric method used to identify individuals, which is based on the unique pattern of veins below the surface of the fingertips.

Principle Near-infrared—IR rays generated from a bank of LEDs (light emitting diodes) penetrate the finger and are absorbed by the haemoglobin in the blood. Areas in which the IR rays are absorbed (i.e. veins) appear as dark shadows in an image taken by a CCD camera equipped in SecuaVeinAttestor(a technology developed by Hitachi). The image is then processed to construct a unique finger-vein pattern from the digital image. 


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