Personal identification method and near-infrared image forming apparatus based on palm vena and palm print

A near-infrared imaging and identity recognition technology, applied in character and pattern recognition, instruments, computer parts, etc., can solve the problems of single processing and few image features.

Active Publication Date: 2008-08-27
深圳市中识健康科技有限公司
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Problems solved by technology

[0005] The purpose of the present invention is to provide a near-infrared imaging device and identification method based on palm veins and palm prints that can overcome the shortcomings of less image features and single processing, and improve the recognition rate and stability of the system.

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  • Personal identification method and near-infrared image forming apparatus based on palm vena and palm print
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  • Personal identification method and near-infrared image forming apparatus based on palm vena and palm print

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[0048] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0049] FIG. 1 includes a digital video camera 1 , a near-infrared light source 2 , a communication interface 3 , a computer 4 and an instrument case 5 .

[0050]Digital video camera 1 is an important component part of the present invention, and it is used for obtaining palm print image, and by communication interface 3, the image that obtains is transmitted in computer 4; The uneven reflection ability of various parts to light will easily cause some parts of the obtained palmprint image to be too bright and some parts to be too dark. Illumination conditions; communication interface 3 adopts standard PCI or USB interface to realize information interaction with computer; computer 4 adopts ordinary personal computer or embedded system; instrument box 5 forms a darkroom structure to block the interference of external ambient light and digital The ...

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Abstract

The invention provides a near-infrared imaging device and an identification method based on the palm vein and the palm print. Firstly, a palm image is obtained through a near-infrared imaging device, the central subblock sample needed to be processed is extracted, the subblock is inputted into two feature extraction modules: a genus palm print information code extraction and a vein structure extraction, then the two features are respectively matched, each own similarity of the two features is respectively calculated through using different similarity evaluation methods, the optimized weighted array of the genus palm print and the vein vessel structure is obtained according to a training sample, then the two similarities perform the similarity level fusion, then the similarity level after the fusing performs decision-making and comparing according to a scheduled threshold value, and then the final determination is obtained in reference to the fusioned matching. The near-infrared imaging device and the identification method based on the palm vein and the palm print can overcome the disadvantages of less image features and single processing, and has the advantages of improving the identification rate and the stability of the system.

Description

(1) Technical field [0001] The invention relates to a human body biometric feature recognition technology, in particular to a technology for capturing palm vein and palmprint images irradiated by a near-infrared light source. (2) Background technology [0002] With the development of society, especially the rapid development of electronic information, people's demand for security products is increasing. Among them, the development and use of products based on biometric identification technology are developing at a high speed. Biometric identification technology is a scientific solution for identity verification based on human body appearance, voice and other biological characteristics. Existing biometric identification technologies generally include fingerprint identification technology; palmprint identification technology; retinal identification technology; iris identification technology; Recognition technology, voice recognition technology, handwriting recognition technol...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00
Inventor 张大鹏卢光明郭振华
Owner 深圳市中识健康科技有限公司
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