opencv用椭圆拟合二维点集：fitEllipse函数

#include<opencv2/core.hpp>
#include<opencv2/highgui.hpp>
#include<opencv2/imgproc.hpp>
#include<iostream>
using namespace cv;
using namespace std;
int main()
{
   
   
    Mat src=imread("/home/zdg/图片/OIP (3).jpeg");
    Mat src_gray,src_canny