WO2016127766A1 - 一种采用面部识别、面部静脉认证与手指静脉认证相结合的认证装置及认证方法 - Google Patents
一种采用面部识别、面部静脉认证与手指静脉认证相结合的认证装置及认证方法 Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/70—Multimodal biometrics, e.g. combining information from different biometric modalities
Definitions
- the invention relates to the technical field of identification and authentication using biometrics, in particular to an authentication device and an authentication method combining face recognition, facial vein authentication and finger vein authentication.
- biometric recognition technologies include, for example, fingerprint recognition, face recognition, etc.
- fingerprint recognition may be subject to many restrictions, and the sudden change of the finger skin may affect the effect of fingerprint recognition.
- some people or certain groups Fingerprints are difficult to image because of fewer features, and fingerprint wear or finger contamination causes accuracy to be affected.
- shape of the face is unstable, and people can generate many expressions through changes in the face, and at different viewing angles. The visual images of the face are also very different.
- facial recognition is also subject to lighting conditions (such as day and night, indoor and outdoor, etc.), many coverings of the face (such as masks, sunglasses, hair, beards, etc.), age, etc. The impact of factors. Face recognition has little difference between different individuals. The structure of all faces is similar. Even the structural shapes of facial organs are similar, which is unfavorable for distinguishing human subjects by face.
- the finger vein authentication technology developed on the basis of the above biometric recognition technology has appeared in recent years, and it is a new biometric recognition technology, which uses the vein distribution image in the finger to perform identity recognition.
- the system acquires the characteristics that exist only when the finger is in the living body, and the non-living finger does not have the characteristics of the vein image, and thus It is impossible to make a fake, but the dorsal vein of the hand may still change with age and physiology.
- the permanentness has not been confirmed. Although the possibility is small, there is still the possibility that it cannot be successfully registered.
- the present invention aims to solve the above technical problems, and proposes a shortcoming that overcomes the current biometric identification technology, so that the authentication device can have higher security and practicability, and improve the accuracy of authentication.
- the present invention can be achieved in the following manner in order to solve the above technical problems.
- the authentication device using facial recognition, facial vein authentication and finger vein authentication comprises: a finger vein feature information collecting device and a facial vein feature information collecting device and a face identifying device connected thereto, and the authentication device further includes features Information storage unit, data processing unit, matching feature information comparison unit, controller, and input/output interface.
- the finger vein feature information collecting device is responsible for collecting information required for finger vein recognition, the facial vein feature information collecting device collects information required for facial vein recognition, and the facial feature information collecting device collects information required for face recognition.
- the information required for face recognition collected by the face recognition device, the information required for finger vein recognition collected by the finger vein feature information collection device, and the information required for facial vein recognition collected by the facial vein feature information collection device are saved to the feature information storage unit, and the feature information
- the comparison unit retrieves corresponding biometric information from the feature information storage unit, and the feature information comparison unit includes an image extraction unit and a sample data storage unit, and the image extraction unit receives the facial feature information and the finger vein in real time.
- Feature information, facial vein feature information and analysis processing, extracting the feature value of the authenticator, and the sample data storage unit stores the pre-acquired facial feature information of the authenticator obtained through the input and output interface, the finger vein feature information and the facial vein feature information.
- the feature information storage unit inputs the collected facial feature information, finger vein feature information, and facial vein feature information into a data processing unit for fusion, and obtains facial feature data, finger vein feature standard data, and facial vein feature standard data, and then
- the feature standard data is formed into a feature information matching group by a weighted fusion method; then the above feature information matching group is input to the matching feature information comparison portion, and the matching information currently authenticated by the authenticator is matched in the matching feature information comparison portion.
- the feature information matching group at the time of identity registration is authenticated and compared.
- the above-mentioned input/output interface can also be connected to the network to further connect with the remote main server, perform data information transmission or authentication information verification, can be backed up regularly, and can be seamlessly connected with the WIS database.
- the facial feature information collecting device includes a facial specific feature information collecting device, an image processing device, a facial information communication module, and an image display unit; wherein the facial feature information collecting device is provided with a power switch, and when the authenticator needs to perform feature information authentication, It can be opened by opening the switch, or the human body sensor can be set.
- the authentication device automatically enters the power-on state, and the camera is connected with the specific feature information collecting device and the image display unit respectively connected to the face, and the face specific
- the feature information collecting device is connected to the image processing device, the image processing device is connected to the face information communication module, and the face specific feature information collecting device is preferably an infrared camera.
- the finger vein characteristic information collecting device comprises a housing, a first infrared imaging light source, and a first infrared imaging device Positioning, finger position sensor, finger angle sensor, finger placement seat; wherein the housing is provided with a power switch, when the authenticator needs to perform the feature information authentication, the switch can be opened, or the human body sensor can be set.
- the authentication device automatically enters the power-on state, and the middle portion of the housing is provided with a semi-circular hole for extending into the finger, and the top of the semi-circular hole is disposed at the position of the finger placement seat.
- the multi-row infrared imaging light source can better penetrate the bones and muscles when the incident light wavelength is between 720 nm and 1100 nm, and the vascular structure is highlighted.
- the wavelength range belongs to near-infrared light.
- the head is cut into a plane and polished, and a astigmatism sheet is installed in front of the first infrared light source to obtain uniform discrete infrared light; two finger angle sensors are respectively disposed on each side of the inner side wall of the semicircular hole The two finger angle sensors on each side are arranged such that a finger angle sensor is disposed on each side of the horizontal position flush with the finger placement seat at a 45 degree angle in a horizontal position flush with the finger placement seat.
- One finger angle sensing is provided on each side.
- the angle of the finger extending 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 by using four finger angle sensors, that is, detecting by four finger angle sensors.
- the computer processing system is connected to the first infrared imaging device through a data transmission interface, and the finger with a finger angle extracted from the image output by the first infrared imaging device The feature amount of the vein characteristic information is input to the data processing unit.
- the facial vein feature information collecting device is connected to the collecting device of the finger vein feature information, wherein the facial vein feature information collecting device comprises a casing, a second infrared imaging light source, a second infrared imaging device, a face position sensor, a head position determining device, and a voice prompt Device, facial vein feature information comparison device and data transmission interface.
- the outer casing comprises a left side plate, a right side plate and a front side plate.
- the left side plate and the right side plate are arranged parallel to each other at opposite ends of the front panel and respectively perpendicular to the front panel, wherein the left side plate, the right side plate and the front side form a space area
- two rows of second infrared imaging light sources are disposed on the left side plate
- a second infrared imaging device is disposed on the right side plate
- a face position sensor is disposed on the front panel
- the front panel is provided on the front panel
- a human body sensor can also be provided, and when the authentication human head can be close to the device, the authentication device automatically enters a power-on state.
- the incident light wavelength When the incident light wavelength is between 720nm and 1100nm, it can penetrate the bone and facial muscles better, and the facial vascular structure is highlighted.
- the wavelength range belongs to near-infrared light. Through several sets of different wavelengths of infrared light In the source alignment test, we found that infrared light with a wavelength of 850 nm has better contrast effect and the facial vein image is more clear. In the scheme selection, it is preferred to use two sets of infrared light-emitting diodes with wavelengths of 850 nm and capable of group control and continuously adjustable brightness as a light source of the vein image. In order to obtain better image quality, the infrared LED tube can be used.
- the head is cut into a plane and polished, and a diffuser is attached to the front of the infrared source to obtain uniform discrete infrared light.
- the second infrared imaging device adopts a thermal imaging camera to perform infrared scanning on the user's face; the facial position sensor is disposed on the front panel, and when the authenticator enters the sensing area, the facial vein characteristic information collecting device enters the working state.
- the image taken by the face position sensor determines whether the head faces the front panel, that is, whether the head position is deflected relative to the front panel or has a bow or a head phenomenon, and if the image taken by the face position sensor is judged as authentication If the head of the person does not face the front panel, the head position determining device sends a signal to the voice prompting device, and the voice prompting device is controlled to sound to inform the authenticator to move the head position, and then the face position sensor retakes the photo of the authenticator's head. Then, after the judgment of the head position judging device, until the judgment result is that the front face faces the front panel, the voice prompting device issues a prompt to remind the authenticator to stop the head motion and start collecting the facial vein feature information.
- the second infrared imaging light source is used for illumination of the facial vein, and the second infrared imaging device is provided with an infrared filter and an inverse infrared filter for reflecting infrared light and transmitting visible red light; the computer processing system passes
- the data transmission interface is coupled to the second infrared imaging device, and extracts a feature amount with facial vein feature information extracted from an image output by the second infrared imaging device, and inputs the feature amount into the data processing unit.
- the feature value of the authenticator collected by the authentication device combining face recognition, facial vein authentication and finger vein authentication is used. Comparing the facial feature information, the finger vein feature information, and the facial vein feature information of the pre-acquired authenticator, and transmitting the result of the comparison to the general controller; the total controller is connected with the feature information comparison portion, and the total control Controlling, according to the comparison result signal of the feature information comparison portion, the authentication device using the combination of face recognition, facial vein authentication and finger vein authentication of the present invention to issue or display the comparison result to inform whether the authentication is passed; in addition, the above input
- the output interface can also be connected to the network to further connect with the remote primary server for data information transmission or authentication information verification, which can be backed up regularly and can be seamlessly connected with the WIS database.
- FIG. 1 is a schematic view showing the structure of an authentication device using face recognition, facial vein authentication, and finger vein authentication according to the present invention.
- Fig. 2 is a view showing the configuration of a finger vein recognition portion of the authentication device in combination with facial recognition, facial vein authentication and finger vein authentication according to the present invention.
- FIG. 3 is a face of an authentication device combining facial recognition, facial vein authentication, and finger vein authentication of the present invention
- the method includes a face recognition device 1, a finger vein feature information collection device 2, and a facial vein characteristic information collecting device 3 connected to the finger vein characteristic information collecting device 2, the authentication device further comprising a table body 4, wherein the feature information holding unit, the data processing unit, the matching feature information comparison unit, and the controller are all disposed on the Inside the table body 4, an input/output port 5 is provided at a side portion of the table body 4, and an input keyboard 6 is provided at a front portion of the table body 4.
- the finger vein feature information collecting device 2 is disposed 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 There is a power switch or a human body sensor.
- the authentication device When the authenticator approaches the device, the authentication device automatically enters the power-on state, and the middle portion of the housing 21 is provided with a semi-circular hole for extending into the finger, and the finger placement seat 25 is disposed at In the semicircular hole, a plurality of rows of first infrared imaging light sources 22 are disposed at a position of the top of the semicircular hole in the middle of the finger placement seat, and the first infrared imaging light source 22 on the inner side wall of the semicircular hole respectively
- Two finger angle sensors 24 are provided, and one finger angle sensor is disposed on each side of the horizontal position flush with the finger placement seat 25, and is disposed on both sides at a 45 degree angle in a horizontal position flush with the finger placement seat.
- the facial vein feature information collecting device 3 includes a facial vein feature information collecting device housing 34, a second infrared imaging light source 35, a second infrared imaging device 36, a head position determining device 38, and a voice prompting device 39.
- the facial vein feature information collecting device housing 34 includes a left side plate, a right side plate and a front side plate, and the left side plate and the right side plate are disposed parallel to each other at both ends of the front panel and respectively perpendicular to the front panel, wherein the left side plate and the right side plate are respectively
- the space area formed by the board and the front surface is the head vein characteristic information collection; two rows of the second infrared imaging light source 35 are disposed on the left side panel, and the second infrared imaging device 36 and the face recognition apparatus 1 are disposed on the right side panel
- the device 1 for face recognition is preferably a camera 37, and the front panel is further provided with a human body sensor that senses whether the authenticator is close to the front, and the feature information storage unit and the data processing unit in the base 4 are provided in the base.
- a matching transmission device that matches the feature information and the controller.
- the input/output interface 5 and the input keyboard 6 of the authentication device combined with the face recognition, facial vein authentication and finger vein authentication of the present invention can perform internal and external information transmission, and the above-mentioned input/output interface 5 can also be connected to the network.
- Regular backups can be seamlessly integrated with the WIS database.
- the method for authenticating using the authentication device combining face recognition, facial vein authentication and finger vein authentication of the present invention includes the following contents:
- the first is the authenticator identity registration process, which initially registers facial feature information, finger vein feature information, and facial vein feature information of a specific person who needs to be authenticated, and the finger vein feature information collected during the registration process includes multiple angles of the finger.
- the information is rotated by the finger during registration, and the finger vein characteristic information of the plurality of angles is collected continuously, and the finger vein characteristic information containing the angle information is input to the feature information storage unit;
- the facial vein feature information acquired simultaneously during the registration process includes The facial vein feature information collected by the frontal position determined by the face position sensor is used to collect the facial vein feature information after the voice prompting device prompts the correct position, and the collected facial vein feature information is input to the feature information storage unit;
- the facial recognition feature information collected by the camera collected by the facial information is included; after the three types of feature information are collected, the acquired facial recognition feature information, the finger vein feature information, and the facial vein feature information are collected in the data in the feature information storage unit.
- the management department forms real-time facial recognition feature information, finger vein feature information and facial vein feature information matching group, and the matching group includes finger vein feature information with angle information, facial recognition feature information collected at the same time, facial vein feature information,
- the method for forming a matching group includes information such as the shape, direction, and facial recognition feature information of the finger vein, and the shape of the facial vein feature.
- the matching data is matched by the following data normalization method before data fusion. Standardization:
- a is the matching score of the vein shape, the directional characteristic, and the facial shape feature, c and ⁇ 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.
- the data standardization method is used to normalize the facial feature data, the finger vein feature and the facial vein feature, and the facial feature data, the finger vein feature standard data and the facial vein feature standard data are obtained, and then the face recognition feature standard data and the two features are obtained.
- the standard data forms a feature information matching group by a weighted fusion method.
- the authentication device can be automatically turned on by opening the switch or by the human body sensor, and the finger extends into the semicircular hole of the housing, and the finger vein characteristic information
- the collecting part enters the finger vein feature information collecting process, and at the same time, the face identifying device and the facial vein feature information collecting part also enter the face recognition feature information and the facial vein feature information collecting process.
- the finger angle sensor is used to detect the placement information of the finger that protrudes into the semicircular hole housing, that is, the angle between the topmost portion of the nail curvature and the horizontal plane is detected by the four finger angle sensors, and the angle is determined by the angle.
- the head position determining device sends a signal to the voice prompting device, if the image is detected with respect to the front panel.
- the control voice prompting device emits a sound to inform the authenticator to move the head position, and then the face position sensor re-photographs the photo of the authenticator's head, and passes the judgment of the head position determining device again until the judgment result is that the front face faces the front panel.
- the voice prompting device issues a prompt to remind the authenticator to stop the head movement; then, the face recognition camera starts working, the first infrared imaging light source of the finger vein feature information collecting portion and the second infrared imaging light source of the facial vein feature information collecting portion are sent out
- the first infrared imaging device of the light, the acquisition portion of the finger vein feature information, and the second infrared imaging device of the facial vein feature information acquisition portion input the collected facial feature information, the finger vein feature, and the facial vein sign into the feature information storage unit, Characteristic information packet A finger vein shape, direction, and facial feature information, the shape of the vein feature of the face; feature information storage section of the characteristic data inputted to the data processing unit performs integration to match the information for the data by the following data normalization method standardization:
- a is the matching score of vein shape, directional feature, and facial shape feature
- c and ⁇ represent the mean and variance of the matching score a
- the obtained normalized data a' is used as the input data of the fusion method to obtain facial feature data, finger vein
- the three feature standard data are formed into a feature information matching group by a weighted fusion method; then the above feature information matching group is input to the matching feature information comparison portion, and the matching feature information comparison portion is matched.
- the ICP will compare the feature information matching group currently authenticated by the authenticator with the feature information matching group at the time of identity registration, and the comparison includes the feature information matching of the shape of the face, the shape and direction of the finger vein, and the shape information of the facial vein feature.
- the comparison of the groups for example, according to the currently authenticated feature information matching group, according to the corresponding facial shape, the shape and direction of the finger vein, and the shape of the facial vein feature, the matching feature information is searched for the pre-registration closest to the feature.
- Feature information matching group for comparison according to the above ratio
- the results of identification is to confirm the identity.
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Abstract
一种采用面部识别、面部静脉认证与手指静脉认证相结合的认证装置包括面部识别装置、手指静脉特征信息采集装置和与手指静脉特征信息采集装置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。认证方法的特征匹配组中同时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识别特征信息、面部静脉特征信息。该认证装置和认证方法具有更高的安全性和实用性，并提高认证的精度。
Description
本发明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，特别地涉及一种面部识别、面部静脉认证与手指静脉认证相结合的认证装置及认证方法。
传统的身份识别技术一般有两种：一是基于身份标识物的身份认证，例如钥匙、身份证、卡片等，另一种是基于身份标识知识的身份认证，如密码、用户号码等，但两者都存在无法逾越的缺陷，标识物容易丢失和伪造，标识知识容易遗忘和记错，最危险的是冒充者如果获得这些标识物或者标识信息，将拥有与真正拥有者一样的权利。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。
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。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。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。
发明内容
本发明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，使得认证装置能够具有更高的安全性和实用性，并提高认证的精度。本发明为了解决上述技术问题，可以通过以下的方式实现。
本发明提供的采用面部识别、面部静脉认证与手指静脉认证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和面部识别装置，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，面部特征信息采集装置采集面部识别需要的信息。上述面部识别装置采集的面部识别需要的信息、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面部特征信息、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面部特征信息、手指静脉特征信息和面部静脉特征信息。其中特征信息保存部将采集得到的面部特征信息、手指静脉特征信息和面部静脉特征信息输入到数据处理部进行融合，获得面部特征数据、手指静脉特征标准数据和面部静脉特征标准数据后，将三种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而进行认证。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。
上述面部特征信息采集装置包括面部具体特征信息采集装置、图像处理装置、脸部信息通讯模块以及图像显示单元；其中面部特征信息采集装置上设有电源开关，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，摄像头与分别连接脸部具体特征信息采集装置、图像显示单元连接，面部具体特征信息采集装置与图像处理装置连接，图像处理装置再与脸部信息通讯模块连接，面部具体特征信息采集装置优选为红外摄像头。
上述手指静脉特征信息采集装置包括壳体、第一红外成像光源、第一红外成像装
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720nm到1100nm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810nm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810nm，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，采用散光片加装在第一红外光源前，以获得均匀的离散红外光；在半圆形孔内侧壁的两侧的每一侧分别设置有两个手指角度传感器，每一侧的两个手指角度传感器的设置方式为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，所述第一红外成像光源用于手指静脉的照明，第一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第一红外成像装置连接，从第一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。
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720nm到1100nm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850nm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850nm，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。所述第二红外成像光源用于面部静脉的照明，第二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第二红外成像装置连接，从第二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。
在本发明的采用面部识别、面部静脉认证与手指静脉认证相结合的认证装置进行认证的方法中，此采用面部识别、面部静脉认证与手指静脉认证相结合的认证装置采集的认证者的特征值与预先采集的认证者的面部特征信息、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总控制器；总控制器与特征信息比对部相连接，总控制器根据特征信息比对部的比对结果信号控制本发明的采用面部识别、面部静脉认证与手指静脉认证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。
图1是本发明的采用面部识别、面部静脉认证与手指静脉认证相结合的认证装置的结构示意图。
图2是本发明的面部识别、面部静脉认证与手指静脉认证相结合的认证装置的手指静脉识别部分的结构示意图。
图3是本发明的面部识别、面部静脉认证与手指静脉认证相结合的认证装置的面部
识别、面部静脉识别部分的结构示意图。
下面结合附图，通过对具体实施实例的描述，对本发明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。
图1-3是本发明的面部识别、面部静脉认证与手指静脉认证相结合的认证装置的结构示意图，根据相应的附图可知，其包括面部识别装置1、手指静脉特征信息采集装置2和与手指静脉特征信息采集装置2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包括面部静脉特征信息采集装置外壳34、第二红外成像光源35、第二红外成像装置36、头部位置判断装置38、语音提示装置39。面部静脉特征信息采集装置外壳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和面部识别的装置1，上述面部识别的装置1优选为摄像头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。
另外，本发明的面部识别、面部静脉认证与手指静脉认证相结合的认证装置的输入输出接口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。
利用本发明的面部识别、面部静脉认证与手指静脉认证相结合的认证装置进行认证的方法过程包括下述内容：
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面部特征信息、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；另外还包括由面部信息采集的摄像头采集的面部识别特征信息；在上述三种特征信息采集结束后，在特征信息保存部将采集获取的面部识别特征信息、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面部识别特征信息、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识别特征信息、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、方向以及面部识别特征信息、面部静脉特征的形状等信息，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特征数据进行匹配信息的标准化：
a’＝(a-c)/σ
其中a是静脉形状、方向特征、面部形状特征的匹配分数，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。
其中利用上述数据标准化方法对面部特征数据、手指静脉特征和面部静脉特征进行数据标准化，获得面部特征数据、手指静脉特征标准数据和面部静脉特征标准数据，然后将面部识别特征标准数据以及两种特征标准数据通过加权融合法形成特征信息匹配组。
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，面部识别装置和面部静脉特征信息采集部分也进入面部识别特征信息和面部静脉特征信息的采集过程。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，面部识别的摄像头开始工作、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面部特征信息、手指静脉特征和面部静脉征输入到特征信息保存部，其中特征信息包括了手指静脉的形状、方向以及面部特征信息、面部静脉特征的形状；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：
a’＝(a-c)/σ
其中a是静脉形状、方向特征、面部形状特征的匹配分数，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，获得面部特征数据、手指静脉特征标准数据和面部静脉特征标准数据后，将三种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，该比对包括了面部形状、手指静脉的形状、方向以及面部静脉特征的形状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面部形状、手指静脉的形状、方向以及面部静脉特征的形状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。
上述实施例为本发明较佳的实施方式，但本发明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发明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，都包含在本发明的保护范围之内。
Claims (4)
- 一种采用面部识别、面部静脉认证与手指静脉认证相结合的认证装置，其特征在于包括面部识别装置、手指静脉特征信息采集装置和与面部识别装置、手指静脉特征信息采集装置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；手指静脉特征信息采集装置设置在台体的表面上，包括壳体、第一红外成像光源、第一红外成像装置、手指角度传感器、手指放置座，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，在半圆形孔内侧壁的第一红外成像光源两侧中的每一侧分别设置有两个手指角度传感器，每一侧的两个手指角度传感器的设置方式为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；面部静脉特征信息采集装置包括面部静脉特征信息采集装置外壳、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，面部静脉特征信息采集装置外壳包括左侧板、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和面部识别装置，在正面板上设置有面部位置传感器，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，底座内设置有与台体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；其中特征信息保存部将采集得到的面部特征信息、手指静脉特征信息和面部静脉特征信息输入到数据处理部进行融合，获得面部特征数据、手指静脉特征标准数据和面部静脉特征标准数据后，将三种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而进行认证。
- 根据权利要求1所述的手指静脉识别与面部静脉识别相结合的认证装置，其特征在于所述的输入输出接口和输入键盘可以来进行内外信息的传输。
- 根据权利要求2所述的手指静脉识别与面部静脉识别相结合的认证装置，其特征在于上述的输入输出接口与网络连接，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、定期备份，可以与数据库无缝衔接。
- 一种利用权利要求1所述的采用面部识别、面部静脉认证与手指静脉认证相结合的认证 装置进行认证的方法，包括：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面部特征信息、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；另外还包括由摄像头采集的面部识别特征信息；在上述三种特征信息采集结束后，在特征信息保存部将采集获取的面部识别特征信息、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面部识别特征信息、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识别特征信息、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、方向以及面部形状特征信息、面部静脉形状的特征等信息，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特征数据进行匹配信息的标准化：a’＝(a-c)/σ其中a是静脉形状、方向特征、面部形状特征的匹配分数，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；其中利用上述数据标准化方法对面部特征数据、手指静脉特征和面部静脉特征进行数据标准化，获得面部特征数据、手指静脉特征标准数据和面部静脉特征标准数据，然后将面部识别特征标准数据以及两种特征标准数据通过加权融合法形成特征信息匹配组；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，面部识别装置和面部静脉特征信息采集部分也进入面部识别特征信息和面部静脉特征信息的采集过程；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，面部识别的摄像头开始工作、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面部特征信息、手指静脉特征和面部静脉征输入到特征信息保存部，其中特征信息包括了手指静脉的形状、方向以及面部特征信息、面部静脉特征的形状；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，先通过前面所述的数据标准化方法对这些数据进行匹配信息的标准化，然后将得到的标准化数据a’作为融合方法的输入数据，获得面部特征数据、手指静脉特征标准数据和面部静脉特征标准数据后，将三种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，该比对包括了面部形状、手指静脉的形状、方向以及面部静脉特征的形状信息的特征信息匹配组的比对，对比时根据当前认证者的特征信息匹配组，根据相应的面部形状、手指静脉的形状、方向以及面部静脉特征的形状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。
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