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Fingerprint and finger vein combined recognition algorithm

A recognition algorithm, finger vein technology, applied in character and pattern recognition, biometric recognition, acquisition/organization of fingerprints/palmprints, etc., can solve the problems of fingerprint feature appearance, non-living recognition, easy damage, etc., to reduce costs , Reliable identification results, the effect of improving the security level

Inactive Publication Date: 2019-04-05
TOP GLORY TECH INC CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

This process not only solves the problem of fingerprint features being visible, easily damaged, non-living recognition, easy to be stolen or simulated by the outside world, but also solves the problem of the current finger vein recognition mainly having a small number of recognized users

Method used

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  • Fingerprint and finger vein combined recognition algorithm
  • Fingerprint and finger vein combined recognition algorithm
  • Fingerprint and finger vein combined recognition algorithm

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Embodiment Construction

[0093] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0094] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0095] Such as image 3 As shown, the fingerprint and finger vein joint recognition algorithm includes the following steps:

[0096] S1. Preprocess the fingerprint image first, and extract the feature points of the fingerprint such as figure 1 , and then extract the information around the feature point and save it.

[009...

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Abstract

The invention discloses a fingerprint and finger vein combined recognition algorithm, which comprises the following steps of: firstly, retrieving N candidate users by utilizing a fingerprint feature point-based local surrounding point relative position and direction field similarity algorithm, and carrying out matching by using a finger vein recognition method based on combination of feature points and binary images; Experiments show that based on a fingerprint feature point local surrounding point relative position direction field similarity algorithm, the algorithm is good in stability, highin anti-interference capability and high in retrieval speed. The finger vein recognition algorithm based on the combination of the feature points and the binary image is stable. Under the condition that the false recognition rate is certain, the recognition performance of the fingerprint and finger vein combined recognition algorithm is obviously higher than that of a traditional fingerprint andfinger vein single-mode recognition algorithm; And the identification efficiency is also obviously improved.

Description

technical field [0001] The invention relates to the technical field of biological feature identification and information security, and more specifically relates to a fingerprint fast retrieval method and a finger vein identification method based on the combination of feature points and binary images. Background technique [0002] In today's information age, how to accurately identify a person's identity and protect information security has become a key social problem that must be solved. Traditional identification is more and more difficult to meet the needs of the society because it is very easy to forge and lose. The most convenient and safe solution at present is undoubtedly biometric technology. It is not only simple and fast, but also uses it for identity identification, which is safe, reliable and accurate. At the same time, it is easier to cooperate with computer security, monitoring, and management system integration to realize data information management. This is ...

Claims

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Application Information

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IPC IPC(8): G06K9/00
CPCG06V40/12G06V40/14
Inventor 张烜
Owner TOP GLORY TECH INC CO LTD
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