Converting Image to Gray Scale

	// Load the image from directory
	Mat image = Highgui.imread("C:path/to/input/image.tif");
	// Convert image to gray scale
	System.out.println("Converting input image to gray scale");
	Mat grayImage = new Mat();
	Imgproc.cvtColor(image, grayImage, Imgproc.COLOR_BGR2GRAY);
	// Save the transformed image
	String filename = "resultImage.png";
	System.out.println(String.format("Writing %s", filename));
	Highgui.imwrite(filename, grayImage);

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