#include "cv.h"
- <>var ultimaFecha = ' '; <>document.write(ultimaFecha); #include "highgui.h"
- #include <iostream>
- #include <iomanip>
- using namespace std;
- int main(void)
- {
- int i=0;
- int mode = CV_RETR_CCOMP;//设置提取轮廓模式
- int contours_num=0;//提取轮廓的数目
- CvScalar external_color;//绘制轮廓线的颜色
- CvScalar hole_color;
- CvMemStorage *storage = cvCreateMemStorage(0);
- CvSeq *contours =0;//存储提取的轮廓图像
- IplImage *pImg = NULL;
- IplImage *pContourImg = NULL;//显示提取的轮廓图像
- IplImage *src=/blog.armyourlife.info/cvLoadImage("1.png",1);
- pImg = cvCreateImage(cvGetSize(src),src->depth,1);
- pContourImg =cvCreateImage(cvGetSize(pImg),IPL_DEPTH_8U,3);
- cvCvtColor(src,pImg,CV_BGR2GRAY);//将读取的图像转化为灰度图像
- cvNamedWindow("src",1);
- cvNamedWindow("contour",1);
- cvShowImage("src",src);//显示原图
- cvThreshold(pImg,pImg,200,255,CV_THRESH_BINARY);//二值化
- mode = CV_RETR_LIST;
- contours_num=cvFindContours(pImg,storage,&contours,sizeof(CvContour),mode,CV_CHAIN_APPROX_NONE);
- cout<<contours_num<<" "<<endl;//打印找到的轮廓的数目
- for (;contours!=0;contours=contours->h_next)
- {
- hole_color=CV_RGB(rand()&255,rand()&255,rand()&255);
- external_color = CV_RGB(rand()&255,rand()&255,rand()&255);
- cvDrawContours(pContourImg,contours,external_color,hole_color,1,2,8);
- }
- cvShowImage("contour",pContourImg);
- cvWaitKey(0);
- cvReleaseImage(&src);
- cvReleaseImage(&pImg);
- cvReleaseImage(&pContourImg);
- cvReleaseMemStorage(&storage);
- }
