1. 把一幅灰度图像的垂直分辨率和水

 1 #include <cv.h>
 2 
 3 #include <highgui.h> //图像视频输出/输入头文件
 4 
 5 using namespace std;
 6 
 7 int main()
 8 
 9 {
10 
11 IplImage * test,*test_1;
12 
13 test = cvLoadImage("6013202130.jpg",0);
14 
15 test_1 = cvCreateImage(cvSize((test->width)/2, (test->height)/2), IPL_DEPTH_8U, 1); cvResize(test, test_1, CV_INTER_LINEAR);
16 
17 cvNamedWindow("zhang_fei_1", CV_WINDOW_AUTOSIZE);
18 
19 cvShowImage("zhangfeio", test_1);
20 
21 cvNamedWindow("zhang_fei_2", CV_WINDOW_AUTOSIZE);
22 
23 cvShowImage("zhangfei", test);
24 
25 cvWaitKey(0);//等待按键
26 
27 cvDestroyWindow("zhang_fei_1");
28 
29 cvDestroyWindow("zhang_fei_2");
30 
31 cvReleaseImage(&test);//释放内存。
32 
33 cvReleaseImage(&test_1);
34 
35 return 0;
36 
37 }