双目相机与计算机连接后进行拍照，图片抓取，视频拍摄，人脸检测，Canny边缘检测，BM算法与SGBM算法进行立体匹配测距的实现。(The binocular camera is connected with the computer to take pictures, capture pictures, take videos, detect faces, Canny edge detection, BM algorithm and sgbm algorithm for stereo match