Opencv&C++获取摄像头

#include <stdio.h>#include <opencv2/core/core.hpp>#include <opencv2/highgui/highgui.hpp>using namespace cv;using namespace std;int main(){//抓取摄影栈VideoCapture cap(0);//尝试开放摄影栈if (!cap.isOpened()) return -1;//用矩阵记录抓取的每张frameMat frame;//建立一个视窗,名称为cameranamedWindow("camera", 1);for (;;){//把取得的影像放置到矩阵中cap >> frame;//演示frame到camera名称的视窗imshow("frame", frame);if (waitKey(30) >= 0) break;}system("PAUSE");return 0;}