基于树莓派的人脸识别门禁系统  

Face Recognition Access Control System Based on Raspberry Pi

作　　者：吴凯枫 张立新[1] 王军昂 王赛[1] Wu Kaifeng;Zhang Lixin;Wang Jun'ang;Wang Sai(School of Automation,Nanjing University of Information Science&Technology,Nanjing Jiangsu,210044)

机构地区：[1]南京信息工程大学自动化学院,江苏南京210044

出　　处：《电子测试》2021年第17期5-7,24,共4页Electronic Test

摘　　要：提出了基于树莓派4B和百度智能云的人脸识别智能门禁系统,该系统由云端服务器、PC机、门禁控制三部分组成。硬件部分以树莓派为平台,搭载HC-SR501人体红外感应模块、CSI摄像头、蜂鸣器、发光二极管等硬件设施,实现以人体红外感应模块为触发机制的节能门禁系统,以WIFI模块连接百度智能云,通过将摄像头采集到的图片信息进行图像编码上传到云端,云端进行图像对比返回信号来控制整个系统进行工作;软件部分采用与树莓派兼容性最好的Linux系统,使用Python进行编写,系统会对访客数据进行双重备份,一份传输至使用者移动端,另一份保存在系统后台。通过实验测试,该系统识别精度高、造价低廉,有利于对当前市场的人脸识别门禁系统进行一定的改善。In the paper,a face recognition intelligent access control system based on raspberry pi 4B and Baidu AI cloud is proposed.The system consists of cloud server,PC and access control.In the hardware part,raspberry pi is used as the platform,equipped with HC-SR501 human infrared sensor module,CSI camera,buzzer,light-emitting diode and other hardware facilities to realize the energy-saving access control system with human infrared sensor module as the trigger mechanism,the WIFI module is connected to Baidu AI cloud.The image encoding is uploaded to the cloud by the image information collected by the camera.The cloud is used for image contrast and return signal to control the whole system to work.The software part adopts the Linux system which has the best compatibility with raspberry pi and is written in Python.The system will double back up the visitor data,one of which is transmitted to the user’s mobile terminal,and the other is saved in the background of the system.Through the experimental test,the system has high recognition accuracy and low cost,which is beneficial to improve the face recognition access control system in the current market.

关 键 词：树莓派 百度智能云 人脸识别 LINUX PYTHON 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术]