OpenCV 动态调节canny参数 边缘检测

OpenCV 动态调节canny参数 边缘检测

void on_trackbar3(int h)
{
 cvCanny( image, cedge, edge_thresh, edge_thresh*3, 3 );
 cvShowImage("Adjust Canny Parameter",cedge);
}

void CCVMFCView::OnCannyAdjThres()
{
 cedge=cvCreateImage(cvGetSize(workImg),workImg->depth,1);
 IplImage* color_dst = 0;
 CvMemStorage* storage = cvCreateMemStorage(0);
 CvSeq* lines = 0;
 int i;

 if (workImg->nChannels==3) {
  image = cvCreateImage(cvGetSize(workImg), IPL_DEPTH_8U, 1);
  cvCvtColor(workImg, image, CV_BGR2GRAY);
 }
 else {
  image = cvCloneImage( workImg );
 }
 cvFlip(image);

 dst = cvCreateImage( cvGetSize(image), 8 ,1 );
 color_dst = cvCreateImage( cvGetSize(image), 8, 3 );
 cvNamedWindow("Adjust Canny Parameter",CV_WINDOW_AUTOSIZE);
 //cvShowImage("Adjust Canny Parameter",image);
 cvCreateTrackbar("canny_thres","Adjust Canny Parameter",&edge_thresh,100,on_trackbar3);
 on_trackbar3(1);
 
 cvWaitKey(0);
 cvDestroyWindow("Adjust Canny Parameter");
 cvCvtColor( cedge, color_dst, CV_GRAY2BGR );
 cvFlip(color_dst);
 m_dibFlag=imageClone(color_dst,&workImg);
 m_ImageType=1;
 Invalidate();
}

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