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的一系列相关技术，通常也叫做人像识别、面部识别。(Face recognition is a biometric technology based on human facial feature information for identification. A camera or camera is used to collect

检测骑自行车的人，随运动轨迹框出，适合刚接触运用opencv进行目标跟踪的编程爱好者参考(Detect the cyclist displaying the movement track)

STM32实现人脸跟踪，通过舵机控制摄像头跟踪人的脸，顶顶顶顶顶顶顶(STM32 realizes face tracking. The camera is controlled by the steering gear to track people's face)