说明：  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。
(Face recognition is a kind of biometric recognition technology based on human face feature information. A series of related technologies, usually called portrait recognition and face recognition, are used to collect images or video streams containing faces with cameras or cameras, and automatically detect and track faces in the images, and then recognize the detected faces.)