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https://gitcode.com/gh_mirrors/es/esp32-opencv.git
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52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
/**
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* @function EqualizeHist_Demo.cpp
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* @brief Demo code for equalizeHist function
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* @author OpenCV team
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*/
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#include "opencv2/imgcodecs.hpp"
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#include "opencv2/highgui.hpp"
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#include "opencv2/imgproc.hpp"
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#include <iostream>
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using namespace cv;
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using namespace std;
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/**
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* @function main
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*/
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int main( int argc, char** argv )
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{
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//! [Load image]
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CommandLineParser parser( argc, argv, "{@input | lena.jpg | input image}" );
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Mat src = imread( samples::findFile( parser.get<String>( "@input" ) ), IMREAD_COLOR );
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if( src.empty() )
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{
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cout << "Could not open or find the image!\n" << endl;
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cout << "Usage: " << argv[0] << " <Input image>" << endl;
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return -1;
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}
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//! [Load image]
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//! [Convert to grayscale]
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cvtColor( src, src, COLOR_BGR2GRAY );
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//! [Convert to grayscale]
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//! [Apply Histogram Equalization]
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Mat dst;
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equalizeHist( src, dst );
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//! [Apply Histogram Equalization]
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//! [Display results]
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imshow( "Source image", src );
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imshow( "Equalized Image", dst );
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//! [Display results]
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//! [Wait until user exits the program]
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waitKey();
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//! [Wait until user exits the program]
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return 0;
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}
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