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//! [includes]
#include <opencv2/core/core.hpp>
#include <opencv2/imgcodecs.hpp>
#include <opencv2/highgui/highgui.hpp>
#include <iostream>
#include <string>
//! [includes]
//! [namespace]
using namespace cv;
//! [namespace]
using namespace std;
int main( int argc, char** argv )
{
//! [load]
string imageName("../data/HappyFish.jpg"); // by default
if( argc > 1)
{
imageName = argv[1];
}
//! [load]
//! [mat]
Mat image;
//! [mat]
//! [imread]
image = imread(imageName.c_str(), IMREAD_COLOR); // Read the file
//! [imread]
if( image.empty() ) // Check for invalid input
{
cout << "Could not open or find the image" << std::endl ;
return -1;
}
//! [window]
namedWindow( "Display window", WINDOW_AUTOSIZE ); // Create a window for display.
//! [window]
//! [imshow]
imshow( "Display window", image ); // Show our image inside it.
//! [imshow]
//! [wait]
waitKey(0); // Wait for a keystroke in the window
//! [wait]
return 0;
}
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