OpenCV下的HelloWorld

 1 #include "stdafx.h"
 2 #include "cv.h"
 3 #include "highgui.h"
 4 
 5 int _tmain(int argc, _TCHAR* argv[])
 6 {
 7     IplImage *pImg;
 8     if(pImg=cvLoadImage("d:\\a.jpg",1))
 9     {
10         cvNamedWindow("Image",1);
11         cvShowImage("Image",pImg);
12         cvWaitKey(0);
13         cvDestroyWindow("Image");
14         cvReleaseImage(&pImg);
15     }
16     else
17         printf("Open file error.");
18     return 0;
19 }
20 
21

照着书上的代码敲,显示一幅图.