换一个表达,,我之前也是这样,,换一个就好了;;;用
#include "opencv2/imgproc/imgproc.hpp"
#include "opencv2/ml/ml.hpp"
using namespace std
using namespace cv
int main(int argc,char *argv[])
{
int cameraNumber=0
if (argc>1)
cameraNumber =atoi(argv[1])
VideoCapture camera
camera.open (cameraNumber )
if (!camera .isOpened ())
{
cerr<<"ERROPR"<<endl
exit(1)
}
while(true)
{
Mat cameraFrame
camera >>cameraFrame
if (cameraFrame .empty ())
{
cerr<<"ERROR1"<<endl
exit(1)
}
imshow("woqu",cameraFrame )
char key=cv::waitKey (1000)
if (key==27)
{
break
}
}
}
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