opengcv摄像头模块，读取图片，转化为qimage，显示到qt的窗口控件中去。-opengcv camera module, read the image, into qimage, qt display window control to go.

在window下利用OPencv来实现QT的视频监控，也可以利用这个代码进行采集图片，处理等后续工作-In the window to achieve the use of OPencv QT video surveillance, you can also use this code capture image processing and other follow-up work