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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