#include "stdafx.h"
#include "cv.h"
#include "highgui.h"
#include "cxcore.h"
int main(int argc, char* argv[])
{
IplImage* img;
img = cvLoadImage("D:\\OOTT\\WEEK5\\2.png");
IplImage* gray = cvCreateImage(cvGetSize(img),IPL_DEPTH_8U,1);
cvCvtColor(img,gray,CV_BGR2GRAY);
cvThreshold(gray,gray,128,255,CV_THRESH_BINARY);
CvMemStorage* storage = cvCreateMemStorage();
CvSeq * first_contour = NULL;
int Ncontour = cvFindContours(gray,storage,&first_contour,sizeof(CvContour),CV_RETR_LIST);
//Ncontour为cvFindContours函数返回的轮廓个数
for(CvSeq* c = first_contour;c!= NULL;c=c->h_next)
{
// cvDrawContours(img,c,cvScalar(255,255,0),cvScalar(255,0,255),0,2,8);
cvNamedWindow("contours",CV_WINDOW_AUTOSIZE);
// cvShowImage("contours",img);
for(int k = 0;k <c->total;++k)
{
CvPoint* p = CV_GET_SEQ_ELEM(CvPoint,c,k);
printf("(%d,%d)\n",p->x,p->y);
}
CvRect rect;
rect = cvBoundingRect(c,0);
cvFloodFill(img,cvPoint(img->width/2,img->height/2),cvScalar(255,255,255),cvScalar(20),cvScalar(20),NULL,4,NULL);
cvShowImage("contours",img);
int Num[500][500];
for (int i=0;i<(img->height-5);i++)
for (int j=0;j<(img->width-5);j++)
{
CvScalar S0;
S0=cvGet2D(img,i,j);
if(S0.val[0] == 255)
Num[i][j]=1;
else
Num[i][j]=0;
printf("(%d,%d)\n",i,j);
}
}
cvWaitKey(0);
cvReleaseImage(&img);
cvReleaseImage(&gray);
cvDestroyWindow("contours");
return 0;
}
OpenCV 如何获取一个连通域中的所有坐标点
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转载自blog.csdn.net/qq_30460949/article/details/89538513
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