Multispectral living fingerprint identification equipment and identification method

A technology of living fingerprints and identification equipment, applied in the field of image recognition, can solve the problems of inability to distinguish true and false fingerprints, fingerprint identification equipment does not have living detection, etc., and achieve the effect of simple structure, low cost, and convenient materials

Active Publication Date: 2019-07-23
深圳市合飞科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to propose a multi-spectral live fingerprint identification device and identification method, which can effectively distinguish between true and false fingerprints, aiming at the problem that the fingerprint identification equipment in the prior art does not have living body detection and cannot distinguish between true and false fingerprints

Method used

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  • Multispectral living fingerprint identification equipment and identification method
  • Multispectral living fingerprint identification equipment and identification method
  • Multispectral living fingerprint identification equipment and identification method

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Embodiment 1

[0040] refer to figure 1 , this embodiment provides a multi-spectral living fingerprint identification device, including a flat glass 101, a light source module 102, an image acquisition module 103, and a control module 104;

[0041] The light source module 102 is used to provide light of multiple different wavelength bands;

[0042] The control module 104 is used to sequentially select the light of each wavelength band to irradiate the flat glass 101 according to the preset time sequence;

[0043] The image collection module 103 is used to collect the fingerprint image of the measured target on the flat glass 101 under each band, and send it to the control module 104;

[0044] The control module 104 is also used for performing fingerprint identification according to the fingerprint image, and synthesizing the fingerprint image into a multi-spectral image for analysis to obtain the spectral function of the fingerprint of the tested target, and judging the spectral function of...

Embodiment 2

[0059] refer to image 3 , this embodiment provides a multi-spectral living fingerprint identification method, which is applied to the multi-spectral living fingerprint identification device as described in Embodiment 1, and the method includes:

[0060] Step S201, the control module sequentially selects the light of each band to irradiate the flat glass according to the preset time sequence;

[0061] Step S202, the control module controls the image acquisition module to acquire fingerprint images of the measured target on the flat glass in each band;

[0062] Step S203, the control module performs fingerprint identification according to the fingerprint image, and synthesizes the fingerprint image into a multi-spectral image for analysis, obtains the spectral function of the fingerprint of the measured target, and judges the target according to the spectral function of the fingerprint of the measured target Whether the fingerprint is a real fingerprint.

[0063] Please refer...

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Abstract

The invention provides multispectral living fingerprint identification equipment and an identification method. The equipment comprises plain glass, a light source module, an image acquisition module and a control module, the light source module is used for providing light of multiple different wave bands. The control module is used for sequentially selecting light of each wave band according to apreset time sequence and irradiating the light to the plain glass; the image acquisition module is used for acquiring a fingerprint image of a tested target on the plain glass under each wave band andsending the fingerprint image to the control module; the control module is also used for carrying out fingerprint identification according to the fingerprint image, synthesizing the fingerprint imageinto a multispectral image, analyzing the multispectral image to obtain a spectral function of the detected target fingerprint, and judging whether the detected target fingerprint is a real fingerprint or not according to the spectral function of the detected target fingerprint. The equipment can effectively carry out living body detection on fingerprints, and is high in detection precision and high in accuracy.

Description

technical field [0001] The invention relates to the technical field of image recognition, in particular to a multispectral living fingerprint recognition device and a recognition method. Background technique [0002] Due to its long development time and relatively fast development speed, and after years of market promotion and application, fingerprint recognition has relatively mature products in access control, time attendance, safes, identity authentication, etc., and because its cost is lower than other recognition technologies , is easier to promote and be accepted by users, so the current domestic application of fingerprint identification accounts for about 90% of the market share of the entire biometric application. As people pay more and more attention to the safety and privacy of personal life and property, fingerprint recognition has been widely used. [0003] Devices that capture fingerprint images can be divided into three categories: optical, ultrasonic, and cap...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00
CPCG06V40/1394G06V40/1365
Inventor 刘金礼陈志昌
Owner 深圳市合飞科技有限公司
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