Finger vein recognition module and recognition system thereof
A recognition system and finger vein technology, applied in character and pattern recognition, fingerprint/palm print acquisition/organization, medical science, etc., can solve the problems of poor recognition effect, large error, low recognition and input accuracy, etc., to achieve Improve the speed of recognition, reduce the difficulty of recognition, and ensure the integrity of the effect
Pending Publication Date: 2022-02-25
黄河科技集团信息产业发展有限公司
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The invention discloses a finger vein recognition module and a recognition system thereof, and relates to the field of finger vein recognition. the invention provides the following scheme for solving the problems of low finger vein recognition speed, high recognition difficulty and the like: the system comprises a finger vein collection tank, a groove is formed in the bottom of the finger vein collection tank, and an infrared lens is clamped in the groove; and the side, away from the finger vein collecting groove, of the infrared lens is fixedly connected with an optical filter through optical glue. The infrared lens at the bottom of the finger vein collecting groove is used for refracting the vein pulsation frequency of the finger pulp to the optical filter, the optical filter projects the vein pulsation frequency to the light-emitting element, and the light-emitting element converts the vein pulsation frequency into light for transmission. According to the technical scheme, the integrity of input and transmission of the vein pulse frequency is guaranteed, meanwhile, the efficiency of optical transmission is higher, and the identification difficulty of the chip is reduced by recording the information of optical transmission into the chip in an imaging mode.
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