1 #include <highgui.h> 2 #include <cv.h> 3 4 #pragma comment (lib,"opencv_calib3d231d.lib") 5 #pragma comment (lib,"opencv_contrib231d.lib") 6 #pragma comment (lib,"opencv_core231d.lib") 7 #pragma comment (lib,"opencv_features2d231d.lib") 8 #pragma comment (lib,"opencv_flann231d.lib") 9 #pragma comment (lib,"opencv_gpu231d.lib") 10 #pragma comment (lib,"opencv_haartraining_engined.lib") 11 #pragma comment (lib,"opencv_highgui231d.lib") 12 #pragma comment (lib,"opencv_imgproc231d.lib") 13 #pragma comment (lib,"opencv_legacy231d.lib") 14 #pragma comment (lib,"opencv_ml231d.lib") 15 #pragma comment (lib,"opencv_objdetect231d.lib") 16 #pragma comment (lib,"opencv_ts231d.lib") 17 #pragma comment (lib,"opencv_video231d.lib") 18 19 /* 20 *《学习OpenCV》第四章第一题a部分 21 * 完成时间：1:09 3/10 星期日 2013 22 */ 23 int main() 24 { 25 char * file_path = "H:/TDDOWNLOAD/Video/STAR362.avi"; 26 CvCapture * capture = 0; 27 capture = cvCreateFileCapture(file_path); 28 29 // 载入视频文件失败 30 if(capture == NULL) 31 { 32 printf("Can't load the video file, quit... "); 33 return 0; 34 } 35 36 // 每一帧 37 IplImage * frame; 38 // 灰度后的每一帧 39 IplImage * gray_frame; 40 // 边缘检测后的每一帧 41 IplImage * canny_frame; 42 43 while(1) 44 { 45 // 从视频文件读入数据 46 frame = cvQueryFrame(capture); 47 if(!frame) 48 break; 49 50 // 将读入数据转换为灰度图 51 gray_frame = cvCreateImage( cvGetSize(frame), frame->depth, 1); 52 cvCvtColor( frame, gray_frame, CV_RGB2GRAY ); 53 54 // 对图像做Canny边缘检测 55 canny_frame = cvCreateImage( cvGetSize(frame), frame->depth, 1); 56 cvCanny( gray_frame, canny_frame, 30, 100, 3); 57 58 // 显示图像 59 cvShowImage("color", frame); 60 cvShowImage("gray", gray_frame); 61 cvShowImage("canny", canny_frame); 62 63 char c = cvWaitKey(4); 64 if(c == 27) 65 break; 66 } 67 cvReleaseCapture(&capture); 68 cvDestroyAllWindows(); 69 70 return 0; 71 }
运行结果：
