Use of OpenCV class

VideoCapture.read() Use of functions , link ：https://blog.csdn.net/u010368556/article/details/79186992

Mat.size[],size2(), link ：https://blog.csdn.net/qianqing13579/article/details/45318279

Mat.prt Use of functions , link ：https://blog.csdn.net/github_35160620/article/details/51708659?utm_source=blogxgwz6