C++ OpenCV Program to Read and Display an Image File inside Window GUI Desktop App

main.cpp

// C++ program for the above approach
#include <iostream>
#include <opencv2/opencv.hpp>
using namespace cv;
using namespace std;

// Driver code
int main(int argc, char** argv)
{
	// Read the image file as
	// imread("default.jpg");
	Mat image = imread("Enter the Address"
					"of Input Image",
					IMREAD_GRAYSCALE);

	// Error Handling
	if (image.empty()) {
		cout << "Image File "
			<< "Not Found" << endl;

		// wait for any key press
		cin.get();
		return -1;
	}

	// Show Image inside a window with
	// the name provided
	imshow("Window Name", image);

	// Wait for any keystroke
	waitKey(0);
	return 0;
}

// C++ program for the above approach

#include <iostream>

#include <opencv2/opencv.hpp>

using namespace cv;

using namespace std;

// Driver code

int main(int argc, char** argv)

{

// Read the image file as

// imread("default.jpg");

Mat image = imread("Enter the Address"

"of Input Image",

IMREAD_GRAYSCALE);

// Error Handling

if (image.empty()) {

cout << "Image File "

<< "Not Found" << endl;

// wait for any key press

cin.get();

return -1;

}

// Show Image inside a window with

// the name provided

imshow("Window Name", image);

// Wait for any keystroke

waitKey(0);

return 0;

}

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