请问我想从USB视频头中读取图象,并显示出来下段代码为什么不行,执行的很慢,而且就出现过一幅图:
CvCapture * m_Video;
cvNamedWindow("Manage",1);
m_Video=cvCaptureFromCAM(0);
for(;;)
{
Manage=cvQueryFrame(m_Video);
cvShowImage("Manage",Manage);//IplImage* Manage;
}
CvCapture * m_Video;
cvNamedWindow("Manage",1);
m_Video=cvCaptureFromCAM(0);
for(;;)
{
Manage=cvQueryFrame(m_Video);
cvShowImage("Manage",Manage);//IplImage* Manage;
}
改为cvCaptureFromCAM(-1);