#include <opencv2/core/core.hpp>
#include <opencv2/highgui/highgui.hpp>
#include <iostream>

using namespace cv;
using namespace std;

int main(int argc, char** argv)
{
if (argc != 2)
{
cout << " Usage: display_image ImageToLoadAndDisplay" << endl;
return -1;
}

Mat image;
image = imread(argv[1], IMREAD_COLOR); // Read the file

if (!image.data) // Check for invalid input
{
cout << "Could not open or find the image" << std::endl;
return -1;
}

namedWindow("Display window", WINDOW_AUTOSIZE); // Create a window for display.
imshow("Display window", image); // Show our image inside it.

waitKey(0); // Wait for a keystroke in the window
return 0;
}