52 lines
991 B
C++
52 lines
991 B
C++
|
/**
|
||
|
* @function EqualizeHist_Demo.cpp
|
||
|
* @brief Demo code for equalizeHist function
|
||
|
* @author OpenCV team
|
||
|
*/
|
||
|
|
||
|
#include "opencv2/highgui/highgui.hpp"
|
||
|
#include "opencv2/imgproc/imgproc.hpp"
|
||
|
#include <iostream>
|
||
|
#include <stdio.h>
|
||
|
|
||
|
using namespace cv;
|
||
|
using namespace std;
|
||
|
|
||
|
/**
|
||
|
* @function main
|
||
|
*/
|
||
|
int main( int argc, char** argv )
|
||
|
{
|
||
|
Mat src, dst;
|
||
|
|
||
|
char* source_window = "Source image";
|
||
|
char* equalized_window = "Equalized Image";
|
||
|
|
||
|
/// Load image
|
||
|
src = imread( argv[1], 1 );
|
||
|
|
||
|
if( !src.data )
|
||
|
{ cout<<"Usage: ./Histogram_Demo <path_to_image>"<<endl;
|
||
|
return -1;
|
||
|
}
|
||
|
|
||
|
/// Convert to grayscale
|
||
|
cvtColor( src, src, CV_BGR2GRAY );
|
||
|
|
||
|
/// Apply Histogram Equalization
|
||
|
equalizeHist( src, dst );
|
||
|
|
||
|
/// Display results
|
||
|
namedWindow( source_window, CV_WINDOW_AUTOSIZE );
|
||
|
namedWindow( equalized_window, CV_WINDOW_AUTOSIZE );
|
||
|
|
||
|
imshow( source_window, src );
|
||
|
imshow( equalized_window, dst );
|
||
|
|
||
|
/// Wait until user exits the program
|
||
|
waitKey(0);
|
||
|
|
||
|
return 0;
|
||
|
|
||
|
}
|