히스토그램 평활화

#include "opencv2/highgui/highgui.hpp"

#include "opencv2/imgproc/imgproc.hpp"

#include <iostream>

using namespace cv;

using namespace std;

int main(int argc, const char** argv)

{

//open and read the image

Mat img = imread("C:/Users/Administrator/u1.png", CV_LOAD_IMAGE_COLOR);

if (img.empty())

{

cout << "Image cannot be loaded..!!" << endl;

return -1;

}

//change the color image to grayscale image

cvtColor(img, img, CV_BGR2GRAY);

Mat img_hist_equalized;

//equalize the histogram

equalizeHist(img, img_hist_equalized);

//create windows

namedWindow("Original Image", CV_WINDOW_AUTOSIZE);

namedWindow("Histogram Equalized", CV_WINDOW_AUTOSIZE);

//show the image

imshow("Original Image", img);

imshow("Histogram Equalized", img_hist_equalized);

//wait for key press

waitKey(0);

//destroy all open windows

destroyAllWindows();

return 0;

}