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Identify recognition method and identify recognition system

An identity recognition and to-be-identified technology, applied in the field of identity recognition, can solve the problems of long time and low recognition rate.

Active Publication Date: 2016-07-13
江门市中心医院 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is that the existing identification method based on palm veins has the problems of long time consumption and low identification rate, and provides an identification method and system

Method used

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  • Identify recognition method and identify recognition system
  • Identify recognition method and identify recognition system

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Embodiment Construction

[0053] The present invention will be further described in detail below in conjunction with the embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

[0054] An identification system such as figure 1 As shown, it includes near-infrared LED, CCD image sensor, FPGA and PC; wherein the output end of near-infrared LED is connected with the input end of CCD image sensor, the output end of CCD image sensor is connected with the input end of FPGA, and the output end of FPGA Connect to PC. Firstly, high-resolution palm vein images are collected through the image acquisition front-end combined with CCD image sensor and FPGA, and then the original palm vein images are preprocessed, and the training data (obtained during registration) and test data (online verification) are extracted respectively. The local invariant features of the image, and use the Euclidean distance to measure the similarity between the test data feature poi...

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Abstract

The invention discloses an identify recognition method and an identify recognition system. First, a high-resolution palm vein image is acquired through an image acquisition mode combining CCD and FPGA. Then, the original palm vein image is preprocessed, local invariant features of the image are extracted based on training data (acquired during registration) and test data (verified online), the similarity between a test data feature point vector and a training data feature point vector is measured through use of Euclidean distance for feature matching, a decision is made according to the feature matching rate after matching, a decision result is output directly for a palm vein image with high feature matching rate, and for a palm vein image with low feature matching rate, image 3D deflection angle estimation and 3D rotation are carried out, feature selecting and matching is carried out again on the rotated image, and a decision result is then output directly.

Description

technical field [0001] The invention relates to the field of identification, in particular to an identification method and system, which are suitable for identification of non-contact palm vein images. Background technique [0002] Identity verification is the basic method and premise for people to strengthen information security. In real life, identity authentication is required in many occasions, such as logging in to a computer, logging in to a website, handling business in a bank, identifying suspects, entering a military location, etc. An effective identity verification method can bring safety, convenience and benefit to our life, and can bring stability, order and efficiency to our society. Traditional identity authentication is carried out through external objects such as certificates, passwords, cards, etc., which are easy to be forged or impersonated. To eliminate these hidden dangers, we must abandon these external objects and seek an identification technology tha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06F21/32
CPCG06F21/32G06V40/10G06V40/14
Inventor 冯宝张绍荣覃科
Owner 江门市中心医院
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