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CN204423392U - Based on the authenticate device that finger vena identification combines with facial hand vein recognition - Google Patents

Based on the authenticate device that finger vena identification combines with facial hand vein recognition Download PDF

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CN204423392U
CN204423392U CN201520102090.5U CN201520102090U CN204423392U CN 204423392 U CN204423392 U CN 204423392U CN 201520102090 U CN201520102090 U CN 201520102090U CN 204423392 U CN204423392 U CN 204423392U
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张丽琴
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Abstract

一种手指静脉识别与面部静脉识别相结合的认证装置,包括手指静脉特征信息采集装置和与其连接的面部静脉特征信息采集装置,该认证装置还包括台体,其中特征信息保存部、数据处理部、匹配特征信息比对部、控制器均设置于该台体的内部,在该台体的侧部设置有输入输出接口,在该台体的前部设置有输入键盘。该认证装置大大提升安全领域身份认证的准确度和可靠性。

An authentication device combining finger vein recognition and facial vein recognition, comprising a finger vein feature information collection device and a facial vein feature information collection device connected to it, the authentication device also includes a platform, wherein a feature information storage unit, a data processing unit The matching feature information comparison unit and the controller are all arranged inside the platform, an input and output interface is arranged on the side of the platform, and an input keyboard is arranged on the front of the platform. The authentication device greatly improves the accuracy and reliability of identity authentication in the security field.

Description

基于手指静脉识别与面部静脉识别相结合的认证装置An authentication device based on the combination of finger vein recognition and facial vein recognition

技术领域 technical field

本实用新型涉及的是一种利用生物特征进行身份识别和认证的技术领域,特别地涉及手指静脉识别与面部静脉识别相结合的认证装置。 The utility model relates to the technical field of identification and authentication using biological features, in particular to an authentication device combining finger vein identification and facial vein identification.

背景技术 Background technique

随着社会的发展,在当今社会信息安全问题备受人们关注。自身安全和个人隐私保护成为这个时代的热门话题。基于密码、个人识别码、磁卡和钥匙等传统的安全措施已不能完全满足社会要求。在这样一个背景下,人们把目光投向了生物特征识别技术——利用人体固有的生理特征或行为特征来进行身份的鉴别或确认。现有技术中,常见的生物特征识别技术例如包括指纹识别、人脸识别等,指纹识别会受到很多限制,必然手指皮肤的突然变化会影响指纹识别的效果,另外,部分人或某些群体的指纹因为特征较少,因此很难成像,并且存在指纹磨损或者手指污染等导致精确度受到影响;另外,面部的外形很不稳定,人可以通过脸部的变化产生很多表情,而在不同观察角度,面部的视觉图像也相差很大,另外,面部识别还受光照条件(例如白天和夜晚,室内和室外等)、面部的很多遮盖物(例如口罩、墨镜、头发、胡须等)、年龄等多方面因素的影响。面部识别不同个体之间的区别不大,所有的面部的结构都相似,甚至面部器官的结构外形都很相似,对于利用面部区分人类个体是不利的。 With the development of society, the issue of information security in today's society has attracted much attention. Self-security and personal privacy protection have become hot topics in this era. Traditional security measures based on passwords, personal identification codes, magnetic cards and keys can no longer fully meet social requirements. In such a background, people have turned their attention to biometric identification technology—using the inherent physiological or behavioral characteristics of the human body to identify or confirm identity. In the prior art, common biometric identification technologies include, for example, fingerprint identification and face identification. Fingerprint identification will be subject to many restrictions, and sudden changes in finger skin will inevitably affect the effect of fingerprint identification. In addition, some people or groups of people Fingerprints are difficult to image because of fewer features, and the accuracy is affected by fingerprint wear or finger contamination; in addition, the shape of the face is very unstable, and people can produce many expressions through changes in the face, and at different viewing angles , the visual image of the face is also very different. In addition, face recognition is also affected by lighting conditions (such as day and night, indoors and outdoors, etc.), many facial coverings (such as masks, sunglasses, hair, beards, etc.), age, etc. influence of factors. There is not much difference between different individuals in facial recognition. All facial structures are similar, and even the structural shapes of facial organs are very similar, which is unfavorable for using faces to distinguish human individuals.

在上述生物特征识别技术的基础上发展的手指静脉认证技术近年开始出现,其是一种新的生物特征识别技术,它利用手指内的静脉分布图像来进行身份识别。识别时接触少甚至无须接触,不会有手指表面特征被第三者恶意复制的危险;系统获取的是手指活体时才存在的特征,非活体的手指是得不到静脉图像特征的,从而也就无法造假但手背静脉仍可能随着年龄和生理的变化而发生变化,永久性尚未得到证实,虽然可能性较小,但仍然存在无法成功注册登记的可能。另外,通常情况下女性的手指静脉血液是少于男性,这使得采集到的静脉图像包含的静脉特征较少且对比度较低。因而从目前的认证方法来看,存在认证度不高,导致不安全或其它问题的出现。并且手指表面的损伤、磨损、干燥或太湿等也会带来识别障碍,使得认证的精度和准确度受到影响。 The finger vein authentication technology developed on the basis of the above-mentioned biometric identification technology has begun to appear in recent years. It is a new biometric identification technology that uses the vein distribution image in the finger for identification. There is little or no contact during identification, and there is no danger of the surface features of the finger being maliciously copied by a third party; the system acquires the features that exist only when the finger is alive, and the non-living finger cannot obtain the vein image feature, thus also It cannot be faked, but the veins on the back of the hand may still change with age and physiological changes, and the permanent has not been confirmed. Although the possibility is small, there is still the possibility that the registration cannot be successful. In addition, women usually have less blood in finger veins than men, which makes the collected vein images contain fewer vein features and lower contrast. Therefore, judging from the current authentication method, the authentication degree is not high, which leads to insecurity or other problems. Moreover, the damage, wear, dryness or too wetness of the finger surface will also cause identification obstacles, which will affect the accuracy and accuracy of authentication.

另外现有技术中没有考虑手指角度对认证带来的影响,使得认证过程存在精度和准确性受到影响。 In addition, in the prior art, the influence of the finger angle on the authentication is not considered, so that the accuracy and accuracy of the authentication process are affected.

发明内容 Contents of the invention

本实用新型旨在解决上述的技术问题,提出一种具有克服目前生物特征识别技术的缺点,使得生物体认证装置和认证方法能够具有更高的防伪性和实用性,并提高认证的精度。本实用新型为了解决上述技术问题,可以通过以下的方式实现。 The utility model aims to solve the above-mentioned technical problems, and proposes a method that overcomes the shortcomings of the current biometric identification technology, so that the biometric authentication device and authentication method can have higher anti-counterfeiting and practicability, and improve the accuracy of authentication. In order to solve the above-mentioned technical problems, the utility model can be realized in the following ways.

本实用新型提供的手指静脉识别与面部静脉识别相结合的认证装置包括:手指静脉特征信息采集装置和与其连接的面部静脉特征信息采集装置,另外该认证装置还包括特征信息保存部、数据处理部、匹配特征信息比对部、控制器以及输入输出接口。其中手指静脉特征信息采集装置负责采集手指静脉识别需要的信息,面部静脉特征信息采集装置采集面部静脉识别需要的信息,上述手指静脉特征信息采集装置采集的手指静脉识别需要的信息和面部静脉特征信息采集装置采集的面部静脉识别需要的信息保存到特征信息保存部,特征信息比对部从上述特征信息保存部调取相应的生物特征信息进行比对,该特征信息比对部包括图像提取单元和样本数据存储单元,图像提取单元其将实时接收的手指静脉特征信息、面部静脉特征信息并进行分析处理,提取出认证者的特征值,样本数据存储单元存储有通过输入输出接口获得的预先采集的认证者的手指静脉特征信息和面部静脉特征信息,另外,手指静脉特征信息采集装置中的特征信息比对部可以独立的将上述提取出的认证者的特征值与预先采集的认证者的手指静脉特征信息和面部静脉特征信息进行比对,并将比对的结果发送至第一控制器;第一控制器与特征信息比对部相连接,第一控制器根据特征信息比对部的比对结果信号控制本实用新型的手指静脉识别与面部静脉识别相结合的认证装置发出或显示比对结果,以告知是否通过认证;另外,上述的输入输出接口也可以与网络连接,以进一步的与远程的主服务器连接,进行数据信息的传输或认证信息的验证,可定期备份,可以与WIS数据库无缝衔接。 The authentication device combined with finger vein recognition and facial vein recognition provided by the utility model includes: a finger vein characteristic information collection device and a facial vein characteristic information collection device connected thereto; in addition, the authentication device also includes a characteristic information storage unit and a data processing unit , a matching characteristic information comparison unit, a controller and an input and output interface. Among them, the finger vein feature information collection device is responsible for collecting the information required for finger vein recognition, the facial vein feature information collection device collects the information required for facial vein recognition, and the above-mentioned finger vein feature information collection device collects the information required for finger vein recognition and facial vein feature information The information required for facial vein recognition collected by the acquisition device is stored in the feature information storage unit, and the feature information comparison unit retrieves the corresponding biometric information from the above-mentioned feature information storage unit for comparison. The feature information comparison unit includes an image extraction unit and The sample data storage unit, the image extraction unit analyzes and processes the finger vein feature information and facial vein feature information received in real time, and extracts the feature value of the authenticator. The sample data storage unit stores the pre-collected information obtained through the input and output interface. The authenticator's finger vein feature information and facial vein feature information. In addition, the feature information comparison unit in the finger vein feature information collection device can independently compare the above-mentioned extracted feature values of the authenticator with the pre-collected authenticator's finger vein feature information. Compare the characteristic information with the facial vein characteristic information, and send the result of the comparison to the first controller; The result signal controls the authentication device combining finger vein recognition and facial vein recognition of the present utility model to issue or display the comparison result to inform whether the authentication is passed; in addition, the above-mentioned input and output interfaces can also be connected to the network to further communicate with the remote It can be connected to the main server for data information transmission or certification information verification, which can be backed up regularly, and can be seamlessly connected with the WIS database.

上述手指静脉特征信息采集装置包括壳体、红外成像光源、红外成像装置、手指位置传感器、手指角度传感器、手指放置座;其中壳体上设有电源开关,当认证者需要进行特征信息认证时,可通过打开开关的方式进行,也可设置人体感测器,当认证人靠近该装置时,认证装置自动进入开机状态,壳体的中间部分设置有一个用于伸入手指的半圆形孔,半圆形孔内顶部中间正对手指放置座的位置上设置有多排红外成像光源,当入射光波长在720 nm到1100 nm时,能够较好的穿透骨骼和肌肉,凸现出血管结构,该波长范围属于近红外光线。通过若干组不同波长的红外光源的比对试验,我们发现波长为810 nm的红外光具有更好的造影效果,图像更为清晰。在方案选取中,优选使用两组波长都为810 nm,并且都能够分组控制,亮度连续可调的红外发光二极管作为静脉图像的打光光源,为了获得较好的图像质量,可以将红外LED发光管头部截成平面并打磨,采用散光片加装在红外光源前,以获得均匀的离散红外光;在半圆形孔内侧壁的两侧分别设置有两个手指角度传感器,在与手指放置座平齐的水平位置的两侧各设置一个手指角度传感器,在与手指放置座平齐的水平位置成45度角处的两侧各设置一个手指角度传感。通过所述的手指角度传感器来检测伸入到半圆形孔壳体内的手指的放置角度,测试的方法为通过四个手指角度传感器来检测手指指甲的角度,即通过四个手指角度传感器来检测指甲弧度的最顶部与水平面的角度,通过该角度来确定手指相对于手指放置座水平面的放置角度,来判断伸入到半圆形孔壳体内的手指的具体位置信息,在判定了手指相对于手指放置座水平面的放置角度后,再进行手指静脉特征信息的采集,所述红外成像光源用于手指静脉的照明,红外成像装置前设有一个红外滤光片和一个反红外滤光片、用于反射红外光并透射可见红光;计算机处理系统通过数据传输接口与所述的红外成像装置连接,从红外成像装置输出的图像中提取的带有手指角度的手指静脉特征信息的特征量,并将上述特征量输入到与数据处理部中。 The above-mentioned finger vein feature information collection device includes a housing, an infrared imaging light source, an infrared imaging device, a finger position sensor, a finger angle sensor, and a finger placement seat; wherein a power switch is provided on the housing, and when the authenticator needs to perform feature information authentication, It can be done by turning on the switch, or a human sensor can be installed. When the authenticator approaches the device, the authentication device will automatically enter the power-on state. The middle part of the housing is provided with a semicircular hole for inserting fingers. There are multiple rows of infrared imaging light sources in the middle of the top of the semicircular hole facing the finger seat. When the incident light wavelength is 720 nm to 1100 nm, it can penetrate bones and muscles well, highlighting the blood vessel structure. This wavelength range belongs to near-infrared light. Through the comparative experiments of several groups of infrared light sources with different wavelengths, we found that the infrared light with a wavelength of 810 nm has a better contrast effect and clearer images. In the scheme selection, it is preferable to use two groups of infrared light-emitting diodes with wavelengths of 810 nm, which can be controlled in groups, and whose brightness can be continuously adjusted as the light source for vein images. In order to obtain better image quality, infrared LEDs can be used to emit light The head of the tube is cut into a plane and polished, and the diffuser is installed in front of the infrared light source to obtain uniform discrete infrared light; two finger angle sensors are respectively arranged on both sides of the inner wall of the semicircular hole, and when placed with the finger A finger angle sensor is respectively arranged on both sides of the flush horizontal position of the seat, and a finger angle sensor is respectively arranged on both sides of the horizontal position flush with the finger placement seat at an angle of 45 degrees. The placement angle of the finger inserted into the semicircular hole housing is detected by the finger angle sensor, and the test method is to detect the angle of the finger nail through four finger angle sensors, that is, to detect the angle of the finger nail through four finger angle sensors. The angle between the top of the nail radian and the horizontal plane is used to determine the placement angle of the finger relative to the horizontal plane of the finger placement seat to determine the specific position information of the finger inserted into the semicircular hole housing. After determining the relative position of the finger After the finger is placed at the angle of the horizontal plane of the seat, the collection of the characteristic information of the finger vein is carried out. The infrared imaging light source is used for the illumination of the finger vein. An infrared filter and an anti-infrared filter are arranged in front of the infrared imaging device. It reflects infrared light and transmits visible red light; the computer processing system is connected with the infrared imaging device through a data transmission interface, and extracts the feature quantity of the finger vein feature information with the finger angle from the image output by the infrared imaging device, and The above-mentioned feature quantities are input into the AND data processing section.

面部静脉特征信息采集装置与手指静脉特征信息的采集装置连接,其中面部静脉特征信息采集装置包括外壳、第二红外成像光源、第二红外成像装置、面部位置传感器、头部位置判断装置、语音提示装置、面部静脉特征信息比对装置及数据传输接口。外壳包括左侧板、右侧板和正面板,左侧板、右侧板互相平行的设置在正面板的两端且分别与正面板垂直,其中左侧板、右侧板及正面形成的空间区域为头部静脉特征信息采集;在左侧板上设置有两排第二红外成像光源,在右侧板上设置有第二红外成像装置,在正面板上设置有面部位置传感器,同时正面板上还可设置有人体感测器,当认证人体头部能够靠近该装置时,认证装置自动进入开机状态。当入射光波长在720 nm到1100 nm时,能够较好的穿透骨骼和面部肌肉,凸现出面部血管结构,该波长范围属于近红外光线。通过若干组不同波长的红外光源的比对试验,我们发现波长为850 nm的红外光具有更好的造影效果,面部静脉图像更为清晰。在方案选取中,优选使用两组波长都为850 nm,并且都能够分组控制,亮度连续可调的红外发光二极管作为静脉图像的打光光源,为了获得较好的图像质量,可以将红外LED发光管头部截成平面并打磨,采用散光片加装在红外光源前,以获得均匀的离散红外光。所述第二红外成像装置采用的是热感成像摄像头,对用户的面部进行红外扫描;面部位置传感器设置在正面板上,当认证者进入感应区域而使得面部静脉特征信息采集装置进入工作状态时,通过面部位置传感器拍摄的图像判断头部是否正面面对正面板,即判断头部位置是否相对于正面板有偏转或者有低头、歪头现象发生,如果经过面部位置传感器拍摄的图像判断为认证者的头部没有正面面对正面板,则头部位置判断装置向语音提示装置发出信号,控制语音提示装置发出声音告知认证者移动头部位置,然后面部位置传感器重新拍摄认证者的头部照片,再次经过头部位置判断装置的判断,直至判断结果为头部正面面对正面板时,语音提示装置发出提示,提醒认证者停止头部动作,开始进行面部静脉特征信息采集。述红外成像光源用于面部静脉的照明,红外成像装置前设有一个红外滤光片和一个反红外滤光片、用于反射红外光并透射可见红光;计算机处理系统通过数据传输接口与所述的红外成像装置连接,从红外成像装置输出的图像中提取的带有面部静脉特征信息的特征量,并将上述特征量也输入到与数据处理部中。在本实用新型的手指静脉识别与面部静脉识别相结合的认证装置中,此面部静脉特征信息采集认证者的特征值可单独的与预先采集的认证者的手指静脉特征信息和面部静脉特征信息进行比对,并将比对的结果发送至第二控制器;第二控制器与特征信息比对部相连接,第二控制器根据特征信息比对部的比对结果信号控制本实用新型的手指静脉识别与面部静脉识别相结合的认证装置发出或显示比对结果,以告知是否通过认证;另外,上述的输入输出接口也可以与网络连接,以进一步的与远程的主服务器连接,进行数据信息的传输或认证信息的验证,可定期备份,可以与WIS数据库无缝衔接。 The facial vein feature information collection device is connected with the finger vein feature information collection device, wherein the facial vein feature information collection device includes a housing, a second infrared imaging light source, a second infrared imaging device, a facial position sensor, a head position judging device, and a voice prompt device, facial vein feature information comparison device and data transmission interface. The casing includes a left side panel, a right side panel and a front panel. The left side panel and the right side panel are arranged at both ends of the front panel parallel to each other and are respectively perpendicular to the front panel. The space area formed by the left side panel, the right side panel and the front side For the collection of head vein feature information; two rows of second infrared imaging light sources are arranged on the left panel, a second infrared imaging device is arranged on the right panel, and a facial position sensor is arranged on the front panel. A human body sensor can also be provided, and when the authentication human head can approach the device, the authentication device will automatically enter the power-on state. When the wavelength of incident light is between 720 nm and 1100 nm, it can penetrate bones and facial muscles well, and highlight the facial blood vessel structure. This wavelength range belongs to near-infrared light. Through the comparative experiments of several groups of infrared light sources with different wavelengths, we found that the infrared light with a wavelength of 850 nm has a better contrast effect, and the image of facial veins is clearer. In the scheme selection, it is preferable to use two groups of infrared light-emitting diodes with wavelengths of 850 nm, which can be controlled in groups, and whose brightness is continuously adjustable as the light source for vein images. In order to obtain better image quality, infrared LEDs can be used to emit light The head of the tube is cut into a plane and polished, and a diffuser is installed in front of the infrared light source to obtain uniform discrete infrared light. The second infrared imaging device uses a thermal imaging camera to perform infrared scanning on the user's face; the face position sensor is arranged on the front panel, when the authenticator enters the sensing area and the facial vein feature information collection device enters the working state , judging whether the head is facing the front panel through the image captured by the facial position sensor, that is, judging whether the head position is deflected relative to the front panel or whether there is a phenomenon of bowing or tilting the head. If the image captured by the facial position sensor is judged as authentication If the authenticator's head does not face the front panel, the head position judging device sends a signal to the voice prompting device, and the voice prompting device is controlled to make a sound to inform the authenticator to move the head position, and then the facial position sensor takes a new photo of the authenticator's head After the judgment of the head position judging device again, until the judging result is that the head is facing the front panel, the voice prompting device sends out a prompt to remind the authenticator to stop the head movement and start collecting facial vein feature information. The infrared imaging light source is used for the illumination of facial veins. An infrared filter and an anti-infrared filter are arranged in front of the infrared imaging device for reflecting infrared light and transmitting visible red light; The above-mentioned infrared imaging device is connected, and the feature quantity with facial vein feature information is extracted from the image output by the infrared imaging device, and the above feature quantity is also input into the data processing part. In the authentication device combining finger vein recognition and facial vein recognition of the present invention, the facial vein characteristic information collection of the authenticator's characteristic value can be carried out independently with the pre-collected authenticator's finger vein characteristic information and facial vein characteristic information. compare, and send the result of comparison to the second controller; the second controller is connected with the feature information comparison part, and the second controller controls the finger of the utility model according to the comparison result signal of the feature information comparison part The authentication device combining vein recognition and facial vein recognition sends or displays the comparison result to inform whether the authentication is passed; in addition, the above-mentioned input and output interfaces can also be connected to the network to further connect with the remote main server for data information The transmission or verification of certification information can be backed up regularly, and can be seamlessly connected with the WIS database.

利用本实用新型的手指静脉识别与面部静脉识别相结合的认证装置进行认证的方法包括下述内容: The method for authenticating by using the authentication device combining finger vein recognition and facial vein recognition of the present invention includes the following contents:

首先是认证者身份登记过程,最初将需要认证的特定人员的手指静脉特征信息和面部静脉特征信息登记入库,在此登记过程中采集的手指静脉特征信息包括手指多个角度的信息,在登记时让手指转动,采集连续多个角度手指静脉特征信息,并将上述含有角度信息的手指静脉特征信息输入到特征信息保存部;在此登记过程中同时采集的面部静脉特征信息包括通过认证者正面面对的正面板上的面部位置传感器确定的正面角度时采集的面部静脉特征信息,在语音提示装置提示位置正确后进行面部静脉特征信息的采集,并将上述采集的面部静脉特征信息输入到特征信息保存部;在上述两种特征信息采集结束后,在特征信息保存部将采集获取的手指静脉特征信息和面部静脉特征信息在数据处理部形成实时的手指静脉特征信息和面部静脉特征信息匹配组,该匹配组包括了带有角度信息的手指静脉特征信息以及同时采集的面部静脉特征信息,形成匹配组的方法包括了手指静脉的形状、方向以及面部静脉特征的形状、方向,为了提高匹配精度,在数据融合之前,通过下面的数据标准化方法对这些数据进行匹配信息的标准化: The first is the identity registration process of the authenticator. Initially, the finger vein feature information and facial vein feature information of the specific person who needs to be authenticated are registered into the database. The finger vein feature information collected during the registration process includes information from multiple angles of the finger. Let the finger rotate at the same time, collect the finger vein characteristic information of continuous multiple angles, and input the above-mentioned finger vein characteristic information containing the angle information into the characteristic information storage unit; the facial vein characteristic information collected at the same time during the registration process includes The facial vein feature information collected at the frontal angle determined by the facial position sensor on the facing front panel, after the voice prompt device prompts that the position is correct, the facial vein feature information is collected, and the above-mentioned collected facial vein feature information is input into the feature Information storage unit; after the collection of the above two types of feature information is completed, the collected finger vein feature information and facial vein feature information will be collected in the feature information storage unit to form a real-time matching group of finger vein feature information and facial vein feature information in the data processing section , the matching group includes the finger vein feature information with angle information and the facial vein feature information collected at the same time. The method of forming the matching group includes the shape and direction of the finger vein and the shape and direction of the facial vein feature. In order to improve the matching accuracy , before data fusion, standardize the matching information of these data through the following data standardization method:

a’=(a-c)/σ a'=(a-c)/σ

其中a是静脉形状、方向特征的匹配分数,c和σ代表匹配分数a的均值和方差,然后将得到的标准化数据a’作为融合方法的输入数据。 Where a is the matching score of vein shape and direction features, c and σ represent the mean and variance of the matching score a, and then the obtained normalized data a' is used as the input data of the fusion method.

其中利用上述数据标准化方法将手指静脉特征和面部静脉特征进行数据标准化,获得手指静脉特征标准数据和面部静脉特征标准数据,然后将两种静脉特征标准数据通过加权融合法形成特征信息匹配组, Wherein, the above-mentioned data standardization method is used to standardize the data of the finger vein features and the facial vein features, and the standard data of the finger vein features and the standard data of the facial vein features are obtained, and then the two standard vein feature data are formed into a feature information matching group through a weighted fusion method,

其次是认证过程,在认证者需要进行特征信息认证时,可通过打开开关或通过人体感测器的方式使认证装置自动进入开机状态,手指伸入壳体的半圆形孔,手指静脉特征信息的采集部分进入手指静脉特征信息采集过程,同时,面部静脉特征信息采集部分也进入面部静脉特征信息采集过程,首先,通过所述的手指角度传感器来检测伸入到半圆形孔壳体内的手指的放置信息,即通过四个手指角度传感器来检测指甲弧度的最顶部与水平面的角度,通过该角度来确定手指相对于手指放置座水平面的放置角度信息,同时,通过面部位置传感器拍摄的图像判断头部是否正面面对正面板,即判断头部位置是否相对于正面板有偏转或者有低头、歪头现象发生,如果经过面部位置传感器拍摄的图像判断为认证者的头部没有正面面对正面板,则头部位置判断装置向语音提示装置发出信号,控制语音提示装置发出声音告知认证者移动头部位置,然后面部位置传感器重新拍摄认证者的头部照片,再次经过头部位置判断装置的判断,直至判断结果为头部正面面对正面板时,语音提示装置发出提示,提醒认证者停止头部动作;然后,手指静脉特征信息的采集部分的第一红外成像光源和面部静脉特征信息采集部分的第二红外成像光源发出光线,手指静脉特征信息的采集部分的第一红外成像装置和面部静脉特征信息采集部分的第二红外成像装置将采集得到的手指静脉特征和面部静脉征输入到特征信息保存部,其中手特征信息包括了手指静脉的形状、方向以及面部静脉特征的形状、方向;特征信息保存部将上述特征信息输入到数据处理部进行融合,先通过下面的数据标准化方法对这些数据进行匹配信息的标准化: The second is the authentication process. When the authenticator needs to perform characteristic information authentication, the authentication device can automatically enter the power-on state by turning on the switch or through the human sensor. The collection part enters the process of collecting finger vein feature information, and at the same time, the facial vein feature information collection part also enters the process of collecting facial vein feature information. First, the finger angle sensor is used to detect the finger inserted into the semicircular hole housing. Placement information, that is, the angle between the top of the nail arc and the horizontal plane is detected by four finger angle sensors, and the angle information of the finger relative to the horizontal plane of the finger placement seat is determined through this angle. Whether the head is facing the front panel is to judge whether the position of the head is deflected relative to the front panel or whether there is a phenomenon of bowing or tilting the head. panel, the head position judging device sends a signal to the voice prompting device, and the voice prompting device is controlled to make a sound to inform the authenticator to move the head position, and then the face position sensor takes a new photo of the authenticator's head, and passes through the head position judging device again. Judging until the judgment result is that when the head is facing the front panel, the voice prompting device sends out a prompt to remind the authenticator to stop the head movement; then, the first infrared imaging light source and the facial vein feature information collection part of the finger vein feature information Part of the second infrared imaging light source emits light, and the first infrared imaging device in the collection part of the finger vein feature information and the second infrared imaging device in the collection part of the facial vein feature information input the collected finger vein features and facial vein signs into the feature The information storage unit, wherein the hand feature information includes the shape and direction of the finger veins and the shape and direction of the facial vein features; the feature information storage unit inputs the above feature information to the data processing unit for fusion, first through the following data standardization methods. The data is standardized for matching information:

a’=(a-c)/σ a'=(a-c)/σ

其中a是静脉形状、方向特征的匹配分数,c和σ代表匹配分数a的均值和方差,然后将得到的标准化数据a’作为融合方法的输入数据,获得手指静脉特征标准数据和面部静脉特征标准数据后,将两种静脉特征标准数据通过加权融合法形成特征信息匹配组;随后上述特征信息匹配组被输入到匹配特征信息比对部,在匹配特征信息比对部中将将认证者当前认证的特征信息匹配组与身份登记时的特征信息匹配组进行比对,该比对包括了手指静脉的形状、方向以及面部静脉特征的形状、方向信息的特征信息匹配组的比对,比如根据当前认证的特征信息匹配组根据相应的手指静脉的形状、方向以及面部静脉特征的形状、方向的特征在匹配特征信息比对部搜索与该特征最相近的预先登记的特征信息匹配组进行比对;根据上述比对的结果进行身份鉴定,确认身份。 Where a is the matching score of vein shape and direction features, c and σ represent the mean and variance of the matching score a, and then the obtained standardized data a' is used as the input data of the fusion method to obtain the finger vein feature standard data and facial vein feature standard After the data is collected, the two kinds of vein characteristic standard data are used to form a characteristic information matching group through weighted fusion method; then the above-mentioned characteristic information matching group is input into the matching characteristic information comparison part, in which the authenticator's current authentication The feature information matching group of the identity registration is compared with the feature information matching group at the time of identity registration. The comparison includes the shape and direction of the finger veins and the shape and direction of the facial vein features. The authenticated feature information matching group searches for the pre-registered feature information matching group closest to the feature in the matching feature information comparison section according to the shape and direction of the corresponding finger veins and the shape and direction of the facial vein features for comparison; According to the result of the above comparison, identity verification is carried out to confirm the identity.

通过本实用新型的手指静脉识别与面部静脉识别相结合的认证装置认证方法,通过一定的特征信息的数据处理,获得了手指静脉特征标准数据和面部静脉特征的特征信息匹配组,能够消除现有技术的生物特征验证可能随着年龄和生理的变化而发生变化而带来的验证不准确的问题,并且此方法利用手指静脉和面部静脉的特征信息的匹配组进行认证,大大提升安全领域身份认证的准确度和可靠性。 Through the authentication method of the authentication device combining finger vein recognition and facial vein recognition of the present invention, through data processing of certain characteristic information, the characteristic information matching group of finger vein characteristic standard data and facial vein characteristics can be obtained, which can eliminate existing Biometric verification of technology may cause inaccurate verification due to changes in age and physiology, and this method uses the matching group of characteristic information of finger veins and facial veins for authentication, which greatly improves identity authentication in the security field accuracy and reliability.

手指角度的不同会对最终采集到的手指静脉特征信息,而现有技术中并没有考虑手指角度的影响,本实用新型中为了消除手指角度的不同而带来的验证准确度的影响,在提取手指静脉特征信息时,会结合手指角度传感器测定的手指的角度,然后再进行特征信息的匹配。 The difference in finger angles will affect the finally collected finger vein feature information, and the influence of finger angles has not been considered in the prior art. In this utility model, in order to eliminate the influence of verification accuracy caused by differences in finger angles, the extracted When the finger vein feature information is used, the angle of the finger measured by the finger angle sensor will be combined, and then the feature information will be matched.

附图说明 Description of drawings

图1是本实用新型的手指静脉识别与面部静脉识别相结合的认证装置结构示意图。 Fig. 1 is a structural schematic diagram of an authentication device combining finger vein recognition and facial vein recognition of the present invention.

图2是本实用新型的手指静脉识别与面部静脉识别相结合的认证装置的手指静脉识别部分的结构示意图。 Fig. 2 is a structural schematic diagram of the finger vein recognition part of the authentication device combining finger vein recognition and facial vein recognition of the present invention.

图3是本实用新型的手指静脉识别与面部静脉识别相结合的认证装置的面部静脉识别部分的结构示意图。 Fig. 3 is a structural schematic diagram of the facial vein recognition part of the authentication device combining finger vein recognition and facial vein recognition of the present invention.

具体实施方式 Detailed ways

下面结合附图,通过对具体实施实例的描述,对本实用新型的具体实施方式如所涉及的各构件的形状、构造、各部分之间的相互位置及连接关系、各部分的作用及工作原理等作进一步的详细说明,并对本实用新型的认证方法进行详细的说明。 Below in conjunction with the accompanying drawings, through the description of specific implementation examples, the specific implementation of the present utility model, such as the shape, structure, mutual position and connection relationship between each part, the role and working principle of each part, etc. A further detailed description is given, and the authentication method of the utility model is described in detail.

图1-3是本实用新型的手指静脉识别与面部静脉识别相结合的认证装置1的结构示意图,根据相应的附图可知,其包括手指静脉特征信息采集装置2和与其连接的面部静脉特征信息采集装置3,另外该认证装置还包括台体4,其中特征信息保存部、数据处理部、匹配特征信息比对部、控制器均设置于该台体4的内部,在该台体4的侧部设置有输入输出接口5,在该台体4的前部设置有输入键盘6。手指静脉特征信息采集装置2设置在台体4的表面上,包括壳体21、第一红外成像光源22、第一红外成像装置23、手指角度传感器24、手指放置座25,其中壳体上设有电源开关或人体感测器,当认证人靠近该装置时,认证装置自动进入开机状态,壳体21的中间部分设置有一个用于伸入手指的半圆形孔,手指放置座25设置在上述半圆形孔内,半圆形孔内顶部中间正对手指放置座的位置上设置有多排第一红外成像光源22,在半圆形孔内侧壁的第一红外成像光源22两侧分别设置有两个手指角度传感器24,在与手指放置座25平齐的水平位置的两侧各设置一个手指角度传感器,在与手指放置座平齐的水平位置成45度角处的两侧各设置一个手指角度传感;壳体21底部设置有与台体4内的特征信息保存部、数据处理部、匹配特征信息比对部、控制器相连接的传输装置。面部静脉特征信息采集装置3的底座31可滑动的设置在台体4的表面上靠近手指静脉特征信息采集装置2处,使得认证者可同时进行手指静脉特征信息和面部静脉特征信息的采集,在该底座31上设置有可以转动的和折叠的机械臂32,面部静脉特征信息采集的构件33设置在机械臂32的顶端,其包括外壳34、第二红外成像光源35、第二红外成像装置36、面部位置传感器37、头部位置判断装置38、语音提示装置39。外壳34包括左侧板、右侧板和正面板,左侧板、右侧板互相平行的设置在正面板的两端且分别与正面板垂直,其中左侧板、右侧板及正面形成的空间区域为头部静脉特征信息采集;在左侧板上设置有两排第二红外成像光源35,在右侧板上设置有第二红外成像装置36,在正面板上设置有面部位置传感器37,同时正面板上还设置有感知认证者是否靠近的人体感测器,另外底座内设置有与台体4内的特征信息保存部、数据处理部、匹配特征信息比对部、控制器相连接的传输装置。 Fig. 1-3 is the structure diagram of the authentication device 1 of the combination of finger vein recognition and facial vein recognition of the present invention, according to the corresponding drawings, it includes a finger vein characteristic information collection device 2 and facial vein characteristic information connected thereto The acquisition device 3, in addition, the authentication device also includes a platform 4, wherein the characteristic information storage unit, the data processing unit, the matching characteristic information comparison unit, and the controller are all arranged inside the platform 4, and on the side of the platform 4 The input and output interface 5 is arranged on the front part of the table body 4, and the input keyboard 6 is arranged on the front part of the table body 4. The finger vein feature information collection device 2 is arranged on the surface of the table body 4, and includes a housing 21, a first infrared imaging light source 22, a first infrared imaging device 23, a finger angle sensor 24, and a finger placement seat 25, wherein the housing is provided with There is a power switch or a human body sensor, and when the authenticator is close to the device, the authentication device automatically enters the power-on state, and the middle part of the housing 21 is provided with a semicircular hole for inserting fingers, and the finger placement seat 25 is arranged on the In the above-mentioned semicircular hole, a plurality of rows of first infrared imaging light sources 22 are arranged in the middle of the top of the semicircular hole facing the finger placement seat, and on both sides of the first infrared imaging light source 22 on the inner wall of the semicircular hole Two finger angle sensors 24 are provided, one finger angle sensor is respectively arranged on both sides of the horizontal position flush with the finger rest seat 25, and each finger angle sensor is arranged on both sides of the horizontal position flush with the finger rest seat 25 at an angle of 45 degrees. One finger angle sensing; the bottom of the housing 21 is provided with a transmission device connected to the characteristic information storage unit, data processing unit, matching characteristic information comparison unit and controller in the table body 4 . The base 31 of the facial vein feature information collection device 3 is slidably arranged on the surface of the table body 4 close to the finger vein feature information collection device 2, so that the authenticator can simultaneously collect finger vein feature information and facial vein feature information. The base 31 is provided with a rotatable and foldable mechanical arm 32, and the member 33 for facial vein feature information collection is arranged on the top of the mechanical arm 32, which includes a housing 34, a second infrared imaging light source 35, and a second infrared imaging device 36 , a facial position sensor 37, a head position judging device 38, and a voice prompting device 39. The casing 34 comprises a left side plate, a right side plate and a front plate, and the left side plate and the right side plate are arranged on both ends of the front plate parallel to each other and are perpendicular to the front plate respectively, wherein the space formed by the left side plate, the right side plate and the front The area is the collection of head vein feature information; two rows of second infrared imaging light sources 35 are arranged on the left panel, a second infrared imaging device 36 is arranged on the right panel, and a facial position sensor 37 is arranged on the front panel. At the same time, the front panel is also provided with a human body sensor that senses whether the authenticator is close. In addition, the base is provided with a feature information storage unit, a data processing unit, a matching feature information comparison unit, and a controller that are connected to the platform body 4. transmission device.

另外,本实用新型的手指静脉识别与面部静脉识别相结合的认证装置1的输入输出接口5和输入键盘6可以来进行内外信息的传输,并且上述的输入输出接口5也可以与网络连接,以进一步的与远程的主服务器连接,进行数据信息的传输或认证信息的验证,可定期备份,可以与WIS数据库无缝衔接。 In addition, the input and output interface 5 and the input keyboard 6 of the authentication device 1 combined with finger vein recognition and facial vein recognition of the present invention can be used to transmit internal and external information, and the above-mentioned input and output interface 5 can also be connected to the network to It further connects with the remote main server to transmit data information or verify authentication information, which can be backed up regularly and can be seamlessly connected with WIS database.

本实用新型的手指静脉识别与面部静脉识别相结合的认证装置进行认证的方法。认证的过程包括下述内容: The utility model provides an authentication method for an authentication device combining finger vein recognition and facial vein recognition. The certification process includes the following:

首先是认证者身份登记过程,最初将需要认证的特定人员的手指静脉特征信息和面部静脉特征信息登记入库,在此登记过程中采集的手指静脉特征信息包括手指多个角度的信息,在登记时让手指转动,采集连续多个角度手指静脉特征信息,并将上述含有角度信息的手指静脉特征信息输入到特征信息保存部;在此登记过程中同时采集的面部静脉特征信息包括通过认证者正面面对的正面板上的面部位置传感器确定的正面角度时采集的面部静脉特征信息,在语音提示装置提示位置正确后进行面部静脉特征信息的采集,并将上述采集的面部静脉特征信息输入到特征信息保存部;在上述两种特征信息采集结束后,在特征信息保存部将采集获取的手指静脉特征信息和面部静脉特征信息在数据处理部形成实时的手指静脉特征信息和面部静脉特征信息匹配组,该匹配组包括了带有角度信息的手指静脉特征信息以及同时采集的面部静脉特征信息,形成匹配组的方法包括了手指静脉的形状、方向以及面部静脉特征的形状、方向,为了提高匹配精度,在数据融合之前,通过下面的数据标准化方法对这些数据进行匹配信息的标准化: The first is the identity registration process of the authenticator. Initially, the finger vein feature information and facial vein feature information of the specific person who needs to be authenticated are registered into the database. The finger vein feature information collected during the registration process includes information from multiple angles of the finger. Let the finger rotate at the same time, collect the finger vein characteristic information of continuous multiple angles, and input the above-mentioned finger vein characteristic information containing the angle information into the characteristic information storage unit; the facial vein characteristic information collected at the same time during the registration process includes The facial vein feature information collected at the frontal angle determined by the facial position sensor on the facing front panel, after the voice prompt device prompts that the position is correct, the facial vein feature information is collected, and the above-mentioned collected facial vein feature information is input into the feature Information storage unit; after the collection of the above two types of feature information is completed, the collected finger vein feature information and facial vein feature information will be collected in the feature information storage unit to form a real-time matching group of finger vein feature information and facial vein feature information in the data processing section , the matching group includes the finger vein feature information with angle information and the facial vein feature information collected at the same time. The method of forming the matching group includes the shape and direction of the finger vein and the shape and direction of the facial vein feature. In order to improve the matching accuracy , before data fusion, standardize the matching information of these data through the following data standardization method:

a’=(a-c)/σ a'=(a-c)/σ

其中a是静脉形状、方向特征的匹配分数,c和σ代表匹配分数a的均值和方差,然后将得到的标准化数据a’作为融合方法的输入数据。 Where a is the matching score of vein shape and direction features, c and σ represent the mean and variance of the matching score a, and then the obtained normalized data a' is used as the input data of the fusion method.

其中利用上述数据标准化方法将手指静脉特征和面部静脉特征进行数据标准化,获得手指静脉特征标准数据和面部静脉特征标准数据,然后将两种静脉特征标准数据通过加权融合法形成特征信息匹配组, Wherein, the above-mentioned data standardization method is used to standardize the data of the finger vein features and the facial vein features, and the standard data of the finger vein features and the standard data of the facial vein features are obtained, and then the two standard vein feature data are formed into a feature information matching group through a weighted fusion method,

其次是认证过程,在认证者需要进行特征信息认证时,可通过打开开关或通过人体感测器的方式使认证装置自动进入开机状态,手指伸入壳体的半圆形孔,手指静脉特征信息的采集部分进入手指静脉特征信息采集过程,同时,面部静脉特征信息采集部分也进入面部静脉特征信息采集过程,首先,通过所述的手指角度传感器来检测伸入到半圆形孔壳体内的手指的放置信息,即通过四个手指角度传感器来检测指甲弧度的最顶部与水平面的角度,通过该角度来确定手指相对于手指放置座水平面的放置角度信息,同时,通过面部位置传感器拍摄的图像判断头部是否正面面对正面板,即判断头部位置是否相对于正面板有偏转或者有低头、歪头现象发生,如果经过面部位置传感器拍摄的图像判断为认证者的头部没有正面面对正面板,则头部位置判断装置向语音提示装置发出信号,控制语音提示装置发出声音告知认证者移动头部位置,然后面部位置传感器重新拍摄认证者的头部照片,再次经过头部位置判断装置的判断,直至判断结果为头部正面面对正面板时,语音提示装置发出提示,提醒认证者停止头部动作;然后,手指静脉特征信息的采集部分的第一红外成像光源和面部静脉特征信息采集部分的第二红外成像光源发出光线,手指静脉特征信息的采集部分的第一红外成像装置和面部静脉特征信息采集部分的第二红外成像装置将采集得到的手指静脉特征和面部静脉征输入到特征信息保存部,其中手特征信息包括了手指静脉的形状、方向以及面部静脉特征的形状、方向;特征信息保存部将上述特征信息输入到数据处理部进行融合,先通过下面的数据标准化方法对这些数据进行匹配信息的标准化: The second is the authentication process. When the authenticator needs to perform characteristic information authentication, the authentication device can automatically enter the power-on state by turning on the switch or through the human sensor. The collection part enters the process of collecting finger vein feature information, and at the same time, the facial vein feature information collection part also enters the process of collecting facial vein feature information. First, the finger angle sensor is used to detect the finger inserted into the semicircular hole housing. Placement information, that is, the angle between the top of the nail arc and the horizontal plane is detected by four finger angle sensors, and the angle information of the finger relative to the horizontal plane of the finger placement seat is determined through this angle. Whether the head is facing the front panel is to judge whether the position of the head is deflected relative to the front panel or whether there is a phenomenon of bowing or tilting the head. panel, the head position judging device sends a signal to the voice prompting device, and the voice prompting device is controlled to make a sound to inform the authenticator to move the head position, and then the face position sensor takes a new photo of the authenticator's head, and passes through the head position judging device again. Judging until the judgment result is that when the head is facing the front panel, the voice prompting device sends out a prompt to remind the authenticator to stop the head movement; then, the first infrared imaging light source and the facial vein feature information collection part of the finger vein feature information Part of the second infrared imaging light source emits light, and the first infrared imaging device in the collection part of the finger vein feature information and the second infrared imaging device in the collection part of the facial vein feature information input the collected finger vein features and facial vein signs into the feature The information storage unit, wherein the hand feature information includes the shape and direction of the finger veins and the shape and direction of the facial vein features; the feature information storage unit inputs the above feature information to the data processing unit for fusion, first through the following data standardization methods. The data is standardized for matching information:

a’=(a-c)/σ a'=(a-c)/σ

其中a是静脉形状、方向特征的匹配分数,c和σ代表匹配分数a的均值和方差,然后将得到的标准化数据a’作为融合方法的输入数据,获得手指静脉特征标准数据和面部静脉特征标准数据后,将两种静脉特征标准数据通过加权融合法形成特征信息匹配组;随后上述特征信息匹配组被输入到匹配特征信息比对部,在匹配特征信息比对部中将将认证者当前认证的特征信息匹配组与身份登记时的特征信息匹配组进行比对,该比对包括了手指静脉的形状、方向以及面部静脉特征的形状、方向信息的特征信息匹配组的比对,比如根据当前认证的特征信息匹配组根据相应的手指静脉的形状、方向以及面部静脉特征的形状、方向的特征在匹配特征信息比对部搜索与该特征最相近的预先登记的特征信息匹配组进行比对;根据上述比对的结果进行身份鉴定,确认身份。 Where a is the matching score of vein shape and direction features, c and σ represent the mean and variance of the matching score a, and then the obtained standardized data a' is used as the input data of the fusion method to obtain the finger vein feature standard data and facial vein feature standard After the data is collected, the two kinds of vein characteristic standard data are used to form a characteristic information matching group through weighted fusion method; then the above-mentioned characteristic information matching group is input into the matching characteristic information comparison part, in which the authenticator's current authentication The feature information matching group of the identity registration is compared with the feature information matching group at the time of identity registration. The comparison includes the shape and direction of the finger veins and the shape and direction of the facial vein features. The authenticated feature information matching group searches for the pre-registered feature information matching group closest to the feature in the matching feature information comparison section according to the shape and direction of the corresponding finger veins and the shape and direction of the facial vein features for comparison; According to the result of the above comparison, identity verification is carried out to confirm the identity.

上述实施例为本实用新型较佳的实施方式,但本实用新型的实施方式并不受上述实施例的限制,其他的任何未背离本实用新型的精神实质与原理下所作的改变、修饰、替代、组合、简化,均应为等效的置换方式,都包含在本实用新型的保护范围之内。 The above-mentioned embodiment is a preferred implementation mode of the present utility model, but the implementation mode of the present utility model is not limited by the above-mentioned embodiment, and any other changes, modifications and substitutions made without departing from the spirit and principle of the present utility model , combination, and simplification, all should be equivalent replacement methods, and are all included in the protection scope of the present utility model.

Claims (4)

1. the authenticate device that combines with facial hand vein recognition of a finger vena identification, it is characterized in that comprising finger vein features information collecting device and connected facial vein pattern information collecting device, this authenticate device also comprises stage body, wherein characteristic information storage unit, data processing division, matching characteristic information comparison portion, controller are all arranged at the inside of this stage body, the sidepiece of this stage body is provided with IO interface, the front portion of this stage body is provided with input keyboard, finger vein features information collecting device is arranged on the surface of stage body, comprise housing, first infrared imaging light source, first infreared imaging device, finger angular transducer, finger placement rack, its middle shell is provided with human body sensor, when certification people is near this device, authenticate device enters open state automatically, the center section of housing is provided with one for stretching into the semi-circular hole of finger, finger placement rack is arranged in above-mentioned semi-circular hole, position just to finger placement rack in the middle of semi-circular hole inner top is provided with and ranked first infrared imaging light source more, every side in the first infrared imaging light source both sides of semi-circular hole madial wall is respectively arranged with two finger angular transducers, the set-up mode of two finger angular transducers of every side is arrange a finger angular transducer in the both sides of the horizontal level concordant with finger placement rack, point angle sensor respectively arranging one with the both sides that the concordant horizontal position of finger placement rack is set to miter angle place, housing bottom is provided with the transmitting device be connected with the characteristic information storage unit in stage body, data processing division, matching characteristic information comparison portion, controller, face vein pattern information collecting device comprises base, near finger vein features information collecting device place on the surface that described base is slidably arranged on stage body, make authenticator can carry out the collection of finger vein features information and facial vein pattern information simultaneously, be provided with rotary and folding mechanical arm on the base, the component of face vein pattern information acquisition is arranged on the top of mechanical arm, it comprises shell, second infrared imaging light source, second infreared imaging device, facial positions sensor, head position judgment means, sound prompt device, shell comprises left plate, right plate and front plate, left plate, the two ends of front plate that what right plate was parallel to each other be arranged on and vertical with front plate respectively, wherein left plate, the area of space that right plate and front are formed is the collection of head vein characteristic information, left plate is provided with two and ranked second infrared imaging light source, right plate is provided with the second infreared imaging device, front plate is provided with facial positions sensor, front plate is also provided with the whether close human body sensor of perception authenticator simultaneously.
2. the authenticate device that combines with facial hand vein recognition of finger vena identification according to claim 1, is characterized in that being provided with the transmitting device be connected with the characteristic information storage unit in stage body, data processing division, matching characteristic information comparison portion, controller in base.
3. the authenticate device that combines with facial hand vein recognition of finger vena identification according to claim 2, is characterized in that described IO interface and input keyboard can carry out the transmission of interior external information.
4. the authenticate device that combines with facial hand vein recognition of finger vena identification according to claim 3, it is characterized in that described IO interface also can be connected to the network, to be further connected with long-range master server, carry out the checking of the transmission of data message or authentication information, schedule backup.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016127767A1 (en) * 2015-02-12 2016-08-18 张丽琴 Authentication device and method combining finger vein recognition and facial vein recognition
CN111611845A (en) * 2015-09-01 2020-09-01 北京上古视觉科技有限公司 An iris recognition system with living body detection function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016127767A1 (en) * 2015-02-12 2016-08-18 张丽琴 Authentication device and method combining finger vein recognition and facial vein recognition
CN111611845A (en) * 2015-09-01 2020-09-01 北京上古视觉科技有限公司 An iris recognition system with living body detection function

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