摄像头获取人脸图像 由2440完成人脸的识别和人脸所属人员的信息回显 整个注册 识别过程均有ui界面操作完成 其中opencv库存放的路径在pro文件中有注明(2440 face images from the camera to obtain recognition and face the personnel information to the entire registration process has UI interface to complete the identifica