Access control system based on palm vein authentication and authentication method using same
A palm vein and access control system technology, applied in the field of security authentication, can solve the problems of limited authentication efficiency and accuracy, and easy authentication reference objects are stolen, copied or polluted, so as to achieve overall sharing, increase the maximum number of users, reduce effect of complexity
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[0030] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are for the purpose of illustrating the present invention, but are not intended to limit the scope of the present invention.
[0031] The hemoglobin of red blood cells in human veins has lost oxygen, and this reduced hemoglobin absorbs specific near-infrared rays. Therefore, when the human body is irradiated with near-infrared light, only the vein part will be weakly reflected, resulting in a dim image. Palm veins are hidden at a depth of 3 mm below the skin, which belongs to the internal information of the human body and is extremely difficult to copy; and the vein image has the function of living body detection and cannot be stolen, that is, the palm of the amputated hand has no blood flow, blood vessels are deformed, and the correct image cannot be obtained ; In addition, there ar...
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