#include<opencv2\highgui\highgui.hpp>
#include<opencv2\opencv.hpp>
#include<iostream>
#include<math.h>
using namespace std;
using namespace cv;
char *output_title = "output Image";
Mat src, dst;
//霍夫圆检测前先进行中值滤波
int main()
{src = imread("E:\\vs2015\\opencvstudy\\1.jpg", 1);if (src.empty()){cout << "could not load the src image!" << endl;return -1;}char *input_title = "input Image";imshow(input_title, src);cvtColor(src, src, CV_BGR2GRAY);equalizeHist(src, dst);imshow(output_title, dst);waitKey(0);return 0;
}