opencv縮小兩次尋找邊界

標籤：opencv cvpyrdown cvcanny

核心函數:cvPyrDown，cvCanny

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程式:

#include "cv.h"#include "cxcore.h"#include "highgui.h"#include <iostream>#include "function.h"int FindBorder_Canny(int argc,char** argv){IplImage* src=cvLoadImage("e:\\picture\\11.jpg",0);cvNamedWindow("src");cvShowImage("src",src);IplImage* HalfSizeDst=HalfSize(src);HalfSizeDst=HalfSize(HalfSizeDst);IplImage* CannyDst=cvCreateImage(cvGetSize(HalfSizeDst),HalfSizeDst->depth,HalfSizeDst->nChannels);cvCanny(HalfSizeDst,CannyDst,50,150,3);cvNamedWindow("CannyDst");cvShowImage("CannyDst",CannyDst);cvWaitKey(0);cvDestroyWindow("src");cvDestroyWindow("CannyDst");cvReleaseImage(&src);cvReleaseImage(&CannyDst);return 0;}

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