1.单帧多人脸multiscaleface检测人脸的流程: 申请生成新的相应大小的内存的mat数据 Rect rect(x,y,width,height); Mat image=zero(0,0,width,height); img(rect).copyTo(image); 2. 来源:CSDN作者:sherryyang1234链接:https://blog.csdn.net/github_38595636/article/details/88873591 标签 rect