WO2022095083A1 - 一种可快速识别的人脸识别装置 - Google Patents

一种可快速识别的人脸识别装置 Download PDF

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Publication number
WO2022095083A1
WO2022095083A1 PCT/CN2020/127924 CN2020127924W WO2022095083A1 WO 2022095083 A1 WO2022095083 A1 WO 2022095083A1 CN 2020127924 W CN2020127924 W CN 2020127924W WO 2022095083 A1 WO2022095083 A1 WO 2022095083A1
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WIPO (PCT)
Prior art keywords
face
lens
face recognition
acquisition
seat
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PCT/CN2020/127924
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English (en)
French (fr)
Inventor
张陆清
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苏州肯谱瑞力信息科技有限公司
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Publication of WO2022095083A1 publication Critical patent/WO2022095083A1/zh

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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
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16—Human faces, e.g. facial parts, sketches or expressions
    • G06V40/161—Detection; Localisation; Normalisation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31—User authentication
    • G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/65—Control of camera operation in relation to power supply
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/61—Control of cameras or camera modules based on recognised objects
    • H04N23/611—Control of cameras or camera modules based on recognised objects where the recognised objects include parts of the human body

Definitions

  • the invention relates to the technical field of face recognition applications, in particular to a face recognition device that can be quickly recognized.
  • Face recognition is a kind of biometric identification technology based on human facial feature information.
  • a series of related technologies that use cameras or cameras to collect images or video streams containing faces, and automatically detect and track faces in the images, and then perform face recognition on the detected faces. .
  • the existing face recognition device still has certain defects in use.
  • the height adjustment of the acquisition lens in the existing face recognition device is not convenient enough to be suitable for users of different heights.
  • the clarity of the face image will be affected by the light. If the light effect is not good, it may lead to the problem that the face recognition is not fast and accurate enough. Therefore, it is necessary for us to provide a face recognition device that can quickly recognize the shortcomings of the existing technology.
  • the present invention aims to provide a face recognition device that can be quickly recognized, which has strong applicability and can quickly recognize faces.
  • a face recognition device that can be quickly recognized in the present invention includes a face recognition mechanism and a face acquisition mechanism arranged above the face recognition mechanism.
  • the face recognizer is provided with a display screen with touch function, the bottom of the face recognizer is provided with a bracket, and the bottom of the bracket is installed with a base for fixing the entire recognition device.
  • the face acquisition mechanism includes a cylinder, a face acquisition camera and a collection lens set on the face acquisition camera.
  • the cylinder is fixed on the bottom of the mounting seat, the cylinder is connected to a telescopic rod, and the top of the telescopic rod is provided with a clamping and fixed mounting plate.
  • the mounting plate A face acquisition camera is installed along the width direction, the acquisition camera is electrically connected to the face recognizer through a data line, and an acquisition lens for collecting faces is arranged on the face acquisition camera, wherein the front and rear side walls of the face camera are uniform along the length direction.
  • a connecting plate is installed, a lens holder in a circular structure is fixed by bolts between the ends of the two connecting plates, a card slot is set at the center of the lens holder, and the inside of the card slot extends into the acquisition lens, and the outer side wall of the lens holder is the acquisition lens.
  • the center of the circle is provided with a plurality of compensation apertures in an annular structure, and the diameters of the compensation apertures are different.
  • the mounting plate has a rectangular structure, a fixing hole in a circular structure is formed through the installation plate for engaging the end of the telescopic rod, and a fastening groove in a strip-shaped structure is formed on the side wall of the installation. Connected with the fixing hole, the fastening groove divides the side wall of the mounting plate into two movable parts, and the two movable parts are connected by locking bolts.
  • the outer edge of the lens holder is protruded with a fixed seat in a ring structure
  • the inner side wall of the fixed seat is provided with a threaded groove
  • the threaded groove is screwed to the connecting seat with threads on the outer side wall
  • the end surface of the connecting seat is provided with the fixed seat Round lens caps with the same diameter.
  • the compensating aperture includes a lamp trough in an annular structure and a white light source light bar arranged in the lamp trough, and the white light source is arranged in an annular structure along the inner sidewall of the lamp trough.
  • a glass cover for fixing the white light source light bar is installed at the notch position of the lamp trough, the groove bottom of the lamp trough has a circular arc structure, and the inner side wall of the lamp trough is uniformly coated with reflective paint.
  • the height of the acquisition lens and the face acquisition camera can be adjusted up and down through the air cylinder to ensure that when collecting faces of people of different heights, the face acquisition mechanism can adjust the face acquisition position according to the height, which is suitable for different heights. Use by tall people improves the applicability of the device.
  • compensation apertures with different diameters with the acquisition lens as the center of the circle, so that the compensation aperture can illuminate the face of the person under poor lighting conditions, so that the acquisition lens can take a clear picture of the face, and at the same time according to the actual situation According to the lighting conditions and the size of the human face, compensation apertures of different diameters can be selected, which further improves the quality of photo compensation, and improves the accuracy of face acquisition and the efficiency of face recognition.
  • FIG. 1 is a schematic diagram of the overall structure of a face recognition device that can be quickly recognized according to the present invention.
  • FIG. 2 is a schematic structural diagram of a face acquisition mechanism of the face recognition device in FIG. 1 .
  • FIG. 3 is a schematic diagram of the installation structure of the lens holder and the lens cover of the face acquisition mechanism in FIG. 2 .
  • FIG. 4 is a cross-sectional view of the lens holder in FIG. 3 .
  • a face recognition device that can be quickly recognized includes a face recognition mechanism 1 and a face acquisition mechanism 2 arranged above the face recognition mechanism 1.
  • the face recognition mechanism 1 includes a face recognition mechanism for processing face images.
  • a face recognition device 11 for information, a display screen 14 with a touch function is arranged on the face recognition device 11, a bracket 12 is arranged at the bottom of the face recognition device 11, and a base 13 for fixing the entire recognition device is installed at the bottom of the bracket 12
  • the face recognizer 11 adopts a common model on the market, which can use image processing technology to extract the logical digital features of the face concave and convex from the picture, and then use the principles of biostatistics and physical optics to convert it into digital information.
  • the photo data recorded in the chip is compared with the photo taken by the camera at the border inspection office through the computer to confirm whether it is the same person.
  • the display screen 14 is mainly used to control the working state of the face recognizer 11 and to display the face. recognition result.
  • the face capture mechanism 2 includes a cylinder 21 , a face capture camera 28 and a capture lens 22 arranged on the face capture camera 28 .
  • the air cylinder 21 is fixed on the bottom mounting seat 23 , and the air cylinder 21 is connected to a telescopic rod. 24.
  • the top of the telescopic rod 24 is provided with a snap-fit mounting plate 25, and a face capture camera 28 is installed on the installation plate 25 along the width direction.
  • the capture camera is electrically connected to the face recognizer 11 through a data line.
  • the collection lens 22 used for collecting human faces wherein the front and rear side walls of the face camera are installed with connecting plates along the length direction, and the lens holder 210 in the shape of a circular structure is fixed by bolts between the ends of the two connecting plates.
  • the center of the lens holder 210 is A card slot 216 is provided at the position, and the inside of the card slot 216 extends into the acquisition lens 22, and the outer side wall of the lens holder 210 is set with the acquisition lens 22 as the center of a circle with a plurality of compensation apertures 212 in annular structures, and the diameters of the compensation apertures 212 are different;
  • the cylinder 21 adjusts the mounting plate 25 and the face collecting camera 28 and the collecting lens 22 arranged on the mounting plate 25 through the telescopic rod 24 to move up and down together to adjust the position, and then adjust the collecting lens 22 to the height of the bridge of the nose.
  • the face collection camera 28 takes a picture of the face through the collection lens 22, and then the collected face information is transmitted to the face recognition mechanism 1 for processing through the data line. If the lighting conditions are not good during the collection process , if the picture is not clear enough, the compensation aperture 212 with the best imaging effect can be opened by the switch according to the size of the face and the actual lighting conditions.
  • the compensation aperture 212 in the annular structure performs light compensation around the face to improve the accuracy of face acquisition. Spend.
  • the mounting plate 25 has a rectangular structure, and the mounting plate 25 is provided with a fixing hole in a circular structure for engaging the end of the telescopic rod 24.
  • a strip-shaped fastening groove 26 runs through the wall, the fastening groove 26 communicates with the fixing hole, the fastening groove 26 divides the side wall of the mounting plate 25 into two movable parts, and a locking bolt 27 is passed between the two movable parts. connect.
  • the end of the telescopic rod 24 can be engaged with the fixed hole, and the two movable parts can be connected and fixed by the locking bolt 27, so that the rules of the fixed hole are reduced, and the fixed hole can be firmly engaged with the telescopic rod. 24 ends.
  • the outer edge of the lens holder 210 is protruded with a fixed seat 215 in a ring structure, and the inner side wall of the fixed seat 215 is provided with a threaded groove 211, and the threaded groove 211 is screwed by a thread
  • the outer side wall is provided with a threaded connection seat 214 , and a circular lens cover 213 having the same diameter as the fixed seat 215 is provided on the end surface of the connection seat 214 .
  • the lens cover 213 can be closed on the lens holder 210 through the threaded groove 211 when not in use, and the lens cover 213 can effectively protect the acquisition lens 22 from dust.
  • the compensation aperture 212 includes a lamp slot 217 in a ring structure and a white light source light bar 218 arranged in the lamp slot 217 .
  • the white light source is along the inner side wall of the lamp slot 217 Arranged in a ring structure.
  • the white light emitted by the white light source light bar 218 can be used to perform light compensation on the human face, thereby improving the clarity of the human face collection.
  • the glass cover 220 for fixing the white light source light bar 218 is installed at the notch position of the lamp trough 217 , and the groove bottom of the lamp trough 217 has a circular arc structure, and Reflective paint 219 is uniformly coated on the inner sidewall of the lamp trough 217 .
  • the white light source light bar 218 can be protected from falling from the lamp slot 217 by the glass lampshade, and the reflective paint 219 evenly coated on the inner side wall of the lamp slot 217 can emit the white light source light bar 218
  • the white light of the light source is concentrated and reflected to the face position, so as to improve the light utilization rate of the white light source light bar 218 .

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  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
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Abstract

一种可快速识别的人脸识别装置，涉及人脸识别应用技术领域，包括人脸识别机构（1）和设置在人脸识别机构（1）上方的人脸采集机构（2），人脸识别机构（1）包括用于处理人脸图像信息的人脸识别器（11），人脸识别器（11）上设置带有触控功能的显示屏（14）；通过设置气缸（21），从而可以通过气缸（21）来上下调节采集镜头（22）和人脸采集相机的高度，保证采集不同身高人的人脸时，人脸采集机构（2）可以根据身高来调节人脸采集位置，适用于不同身高的人使用，提高了装置的适用性；并且以采集镜头（22）为圆心设置若干直径不同的补偿光圈，从而在照明条件不佳的情况下可以通过补偿光圈照亮人的面部，使得采集镜头能够对人脸进行清晰的拍照。

Description

一种可快速识别的人脸识别装置 技术领域
本发明涉及用于人脸识别应用技术领域，尤其涉及到一种可快速识别的人脸识别装置。
背景技术
人脸识别，是基于人的脸部特征信息进行身份识别的一种生物识别技术。用摄像机或摄像头采集含有人脸的图像或视频流，并自动在图像中检测和跟踪人脸，进而对检测到的人脸进行脸部识别的一系列相关技术，通常也叫做人像识别、面部识别。
但是现有的人脸识别装置在使用的时候仍然存在一定的缺陷，现有的人脸识别装置在使用的时候采集镜头的高度调节不够方便，不能适用于不同身高的使用者使用，而且在采集人脸的时候，人脸图像的清晰度会受到光线的影响，如果光线效果不佳，可能会导致人脸识别不够快速准确的问题。因此我们有必要针对现有技术的不足而提供一种可快速识别的人脸识别装置。
发明内容
为解决现有技术存在的问题，本发明旨在提供一种可快速识别的人脸识别装置，其适用性强，且能够快速识别人脸。
为实现上述目的，本发明的一种可快速识别的人脸识别装置，包括人脸识别机构和设置在人脸识别机构上方的人脸采集机构，人脸识别机构包括用于处理人脸图像信息的人脸识别器，人脸识别器上设置带有触控功能的显示屏，人脸识别器的底部设置支架，支架底部安装用于将整个识别装置固定的底座。
人脸采集机构包括气缸、人脸采集相机和设置在人脸采集相机上的采集镜头，气缸通过底部的安装座固定在，气缸连接伸缩杆，伸缩杆的顶部设置卡合固定安装板，安装板上沿宽度方向安装人脸采集相机，采集相机通过数据线电性连接人脸识别器，人脸采集相机上设置用于采集人脸的采集镜头，其中人脸相机的前后侧壁沿长度方向均安装连接板，两连接板端部之间通过螺栓固定呈圆形结构的镜头座，镜头座的中心位置设置卡槽，且卡槽的内部伸入采集镜头，镜头座的外侧壁以采集镜头为圆心设置若干呈环形结构的补偿光圈，且若干补偿光圈的直径不同。
优选的，安装板呈矩形结构，安装板上贯穿开设呈圆形结构的固定孔用于卡合伸缩杆的端部，安装的侧壁上贯穿开设呈条形结构的紧固槽，紧固槽与固定孔连通，紧固槽将安 装板的侧壁分成两活动部，且两活动部之间通过锁紧螺栓连接。
优选的，镜头座的外沿凸设呈环形结构的固定座，固定座的内侧壁设置螺纹槽，螺纹槽通过螺纹旋接外侧壁带有螺纹的连接座，连接座的端面上设置与固定座直径相同的圆形镜头盖。
优选的，补偿光圈包括呈环形结构的灯槽和设置在灯槽内的白色光源灯条，白色光源沿灯槽的内侧壁呈环形结构设置。
优选的，灯槽的槽口位置安装用于固定白色光源灯条的玻璃罩，灯槽的槽底呈圆弧形结构，且灯槽的内侧壁上均匀涂覆反光涂料。
本发明的一种可快速识别的人脸识别装置具有以下有益效果：
1、通过设置气缸，从而可以通过气缸来上下调节采集镜头和人脸采集相机的高度，保证采集不同身高人的人脸时，人脸采集机构可以根据身高来调节人脸采集位置，适用于不同身高的人使用，提高了装置的适用性。
2、以采集镜头为圆心设置若干直径不同的补偿光圈，从而在照明条件不佳的情况下可以通过补偿光圈照亮人的面部，使得采集镜头能够对人脸进行清晰的拍照，同时可以根据实际的照明条件和人脸部的大小来选择不同直径的补偿光圈，进一步提高拍照补偿质量，提高了人脸采集的精确度和人脸识别的效率。
附图说明
图1是本发明提出的一种可快速识别的人脸识别装置的整体结构示意图。
图2是图1中人脸识别装置的人脸采集机构结构示意图。
图3是图2中人脸采集机构的镜头座与镜头盖安装结构示意图。
图4是图3中镜头座的剖视图。
图中数字和字母所表示的相应部件名称：1、人脸识别机构；11、人脸识别器；12、支架；13、底座；14、显示屏；2、人脸采集机构；21、气缸；22、采集镜头；23、安装座；24、伸缩杆；25、安装板；26、紧固槽；27、锁紧螺栓；28、人脸采集相机；29、固定板；210、镜头座；211、螺纹槽；212、补偿光圈；213、镜头盖；214、连接座,215、固定座；216、卡槽；217、灯槽；218、白色光源灯条；219、反光涂料；220、玻璃罩。
具体实施方式
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解，下面结合图示与具体实施例，进一步阐述本发明。
实施例
如图1所示，一种可快速识别的人脸识别装置包括人脸识别机构1和设置在人脸识别机构1上方的人脸采集机构2，人脸识别机构1包括用于处理人脸图像信息的人脸识别器11，人脸识别器11上设置带有触控功能的显示屏14，人脸识别器11的底部设置支架12，支架12底部安装用于将整个识别装置固定的底座13；人脸识别器11采用市面上常见的型号，其能够利用图像处理技术从图片中提取人脸凹凸逻辑数字特征，再利用生物统计学、物理光学的原理转化为数字信息，通过小型计算机运算和转化，将芯片中记录的照片数据与边检处摄像头拍摄的照片通过计算机进行比对，确认是否为同一人，显示屏14主要用于控制人脸识别器11的工作状态和用于显示人脸识别的结果。
如图2所示，人脸采集机构2包括气缸21、人脸采集相机28和设置在人脸采集相机28上的采集镜头22，气缸21通过底部的安装座23固定在，气缸21连接伸缩杆24，伸缩杆24的顶部设置卡合固定安装板25，安装板25上沿宽度方向安装人脸采集相机28，采集相机通过数据线电性连接人脸识别器11，人脸采集相机28上设置用于采集人脸的采集镜头22，其中人脸相机的前后侧壁沿长度方向均安装连接板，两连接板端部之间通过螺栓固定呈圆形结构的镜头座210，镜头座210的中心位置设置卡槽216，且卡槽216的内部伸入采集镜头22，镜头座210的外侧壁以采集镜头22为圆心设置若干呈环形结构的补偿光圈212，且若干补偿光圈212的直径不同；在采集人脸图像时，首先气缸21通过伸缩杆24调节安装板25和设置在安装板25上的人脸采集相机28、采集镜头22一同上下移动调节位置，在将采集镜头22调节至与鼻梁高度齐平时调节结束，然后人脸采集相机28通过采集镜头22对人脸进行拍照，然后将采集的人脸信息通过数据线传递给人脸识别机构1处理，如果在采集过程中出现照明条件不佳，图片拍摄不够清晰的问题，则根据人脸大小和实际照明情况通过开关打开成像效果最好的补偿光圈212，呈环形结构的补偿光圈212对人脸四周进行光线补偿，提高人脸采集的精确度。
作为本发明的一种技术优化方案，如图2所示，安装板25呈矩形结构，安装板25上贯穿开设呈圆形结构的固定孔用于卡合伸缩杆24的端部，安装的侧壁上贯穿开设呈条形结构的紧固槽26，紧固槽26与固定孔连通，紧固槽26将安装板25的侧壁分成两活动部，且两活动部之间通过锁紧螺栓27连接。
通过采用上述技术方案，从而可以固定孔卡合伸缩杆24的端部，且通过锁紧螺栓27能够将两活动部连接固定，使得固定孔的规则变小，保证固定孔能够牢固卡合伸缩杆24的端部。
作为本发明的一种技术优化方案，如图3所示，镜头座210的外沿凸设呈环形结构 的固定座215，固定座215的内侧壁设置螺纹槽211，螺纹槽211通过螺纹旋接外侧壁带有螺纹的连接座214，连接座214的端面上设置与固定座215直径相同的圆形镜头盖213。
通过采用上述技术方案，从而在不使用时，能够通过螺纹槽211将镜头盖213盖合在镜头座210上，利用镜头盖213能够有效的保护采集镜头22不落附灰尘。
作为本发明的一种技术优化方案，如图4所示，补偿光圈212包括呈环形结构的灯槽217和设置在灯槽217内的白色光源灯条218，白色光源沿灯槽217的内侧壁呈环形结构设置。
通过采用上述技术方案，从而可以利用白色光源灯条218发出的白光对人脸进行光线补偿，提高人脸采集的清晰度。
作为本发明的一种技术优化方案，如图4所示，灯槽217的槽口位置安装用于固定白色光源灯条218的玻璃罩220，灯槽217的槽底呈圆弧形结构，且灯槽217的内侧壁上均匀涂覆反光涂料219。
通过采用上述技术方案，从而可以利用玻璃灯罩保护白色光源灯条218不从灯槽217下掉落下来，且灯槽217的内侧壁上均匀涂覆的反光涂料219能够将白色光源灯条218发出的白色光集中反射至人脸位置，提高白色光源灯条218的光线利用率。
以上显示和描述了本发明的基本原理、主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等同物界定。

Claims (5)

  1. 一种可快速识别的人脸识别装置，其特征在于：包括人脸识别机构和设置在人脸识别机构上方的人脸采集机构，所述人脸识别机构包括用于处理人脸图像信息的人脸识别器，所述人脸识别器上设置带有触控功能的显示屏，所述人脸识别器的底部设置支架，所述支架底部安装用于将整个识别装置固定的底座；
    所述人脸采集机构包括气缸、人脸采集相机和设置在人脸采集相机上的采集镜头，所述气缸通过底部的安装座固定在，所述气缸连接伸缩杆，所述伸缩杆的顶部设置卡合固定安装板，所述安装板上沿宽度方向安装人脸采集相机，所述采集相机通过数据线电性连接人脸识别器，所述人脸采集相机上设置用于采集人脸的采集镜头，其中所述人脸相机的前后侧壁沿长度方向均安装连接板，两所述连接板端部之间通过螺栓固定呈圆形结构的镜头座，所述镜头座的中心位置设置卡槽，且所述卡槽的内部伸入所述采集镜头，所述镜头座的外侧壁以采集镜头为圆心设置若干呈环形结构的补偿光圈，且若干所述补偿光圈的直径不同。
  2. 根据权利要求1所述的一种可快速识别的人脸识别装置，其特征在于：所述安装板呈矩形结构，所述安装板上贯穿开设呈圆形结构的固定孔用于卡合伸缩杆的端部，所述安装的侧壁上贯穿开设呈条形结构的紧固槽，所述紧固槽与固定孔连通，所述紧固槽将安装板的侧壁分成两活动部，且两所述活动部之间通过锁紧螺栓连接。
  3. 根据权利要求1所述的一种可快速识别的人脸识别装置，其特征在于：所述镜头座的外沿凸设呈环形结构的固定座，所述固定座的内侧壁设置螺纹槽，所述螺纹槽通过螺纹旋接外侧壁带有螺纹的连接座，所述连接座的端面上设置与固定座直径相同的圆形镜头盖。
  4. 根据权利要求1所述的一种可快速识别的人脸识别装置，其特征在于：所述补偿光圈包括呈环形结构的灯槽和设置在灯槽内的白色光源灯条，所述白色光源沿灯槽的内侧壁呈环形结构设置。
  5. 根据权利要求4所述的一种可快速识别的人脸识别装置，其特征在于：所述灯槽的槽口位置安装用于固定白色光源灯条的玻璃罩，所述灯槽的槽底呈圆弧形结构，且所述灯槽的内侧壁上均匀涂覆反光涂料。
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