#include"stdafx.h"
#include <opencv2/highgui/highgui.hpp>
#include <opencv2/imgproc/imgproc.hpp>
#include <opencv2/core/core.hpp>
//#include<string>
//#include<iostream>
using namespace cv;
int main()
{
VideoCapture cap(0);
if (!cap.isOpened())
return -1;
VideoCapture video_capture;
video_capture.set(CV_CAP_PROP_FPS, 12);
video_capture.set(CV_CAP_PROP_EXPOSURE, -12.0);
video_capture.open(0);
video_capture.set(CV_CAP_PROP_FOURCC, CV_FOURCC('M', 'J', 'P', 'G'));
video_capture.set(CV_CAP_PROP_FRAME_WIDTH, 1920);
video_capture.set(CV_CAP_PROP_FRAME_HEIGHT, 1080);
Mat frame;
Mat edges;
char str[10];
int i = 0;
while(1)
{
cap >> frame;
cvtColor(frame, edges, 0);
imshow("a", edges);
//if (std::cin.get() != '\n')
if (waitKey(1) == 32)
{
sprintf_s(str, "%d%s", i++, ".jpg");
imwrite(str, edges);
}
else if(waitKey(1) == 27 )
break;
}
return 0;
}opencv使用电脑摄像头抓取并保存图片，自动顺序命名保存的图片
