public static void main( String args[] ){

		BufferedImage input = UtilImageIO.loadImage(fileName);
		GrayF32 inputF32 = ConvertBufferedImage.convertFrom(input,(GrayF32)null);

		GrayF32 blurred = new GrayF32(inputF32.width,inputF32.height);
		GrayF32 derivX = new GrayF32(inputF32.width,inputF32.height);
		GrayF32 derivY = new GrayF32(inputF32.width,inputF32.height);
		GrayF32 intensity = new GrayF32(inputF32.width,inputF32.height);
		GrayF32 orientation = new GrayF32(inputF32.width,inputF32.height);
		GrayF32 suppressed = new GrayF32(inputF32.width,inputF32.height);
		GrayS8 direction = new GrayS8(inputF32.width,inputF32.height);
		GrayU8 output = new GrayU8(inputF32.width,inputF32.height);

		BlurStorageFilter<GrayF32> blur = FactoryBlurFilter.gaussian(GrayF32.class,-1,2);
		ImageGradient<GrayF32,GrayF32> gradient = FactoryDerivative.sobel(GrayF32.class,null);

		blur.process(inputF32,blurred);
		gradient.process(blurred,derivX,derivY);

		float threshLow = 5;
		float threshHigh = 40;

		GradientToEdgeFeatures.intensityE(derivX, derivY, intensity);
		GradientToEdgeFeatures.direction(derivX, derivY, orientation);
		GradientToEdgeFeatures.discretizeDirection4(orientation, direction);
		GradientToEdgeFeatures.nonMaxSuppression4(intensity, direction, suppressed);

		BufferedImage renderedOrientation = VisualizeEdgeFeatures.renderOrientation4(direction,suppressed,threshLow,null);

		HysteresisEdgeTraceMark hysteresis = new HysteresisEdgeTraceMark();
		hysteresis.process(suppressed,direction,threshLow,threshHigh,output);

		BufferedImage renderedLabel = VisualizeBinaryData.renderBinary(output, false, null);

		ListDisplayPanel gui =  new ListDisplayPanel();
		gui.addImage(suppressed,"Suppressed Intensity");
		gui.addImage(intensity,"Raw Intensity");
		gui.addImage(renderedOrientation,"Orientation");
		gui.addImage(renderedLabel, "Labeled Contours");

		ShowImages.showWindow(gui,"Visualized Canny Steps", true);
	}
public static void main ( String args [ ] ) { BufferedImage input = UtilImageIO . loadImage ( fileName ) ; GrayF32 inputF32 = ConvertBufferedImage . convertFrom ( input , ( GrayF32 ) null ) ; GrayF32 blurred = new GrayF32 ( inputF32 . width , inputF32 . height ) ; GrayF32 derivX = new GrayF32 ( inputF32 . width , inputF32 . height ) ; GrayF32 derivY = new GrayF32 ( inputF32 . width , inputF32 . height ) ; GrayF32 intensity = new GrayF32 ( inputF32 . width , inputF32 . height ) ; GrayF32 orientation = new GrayF32 ( inputF32 . width , inputF32 . height ) ; GrayF32 suppressed = new GrayF32 ( inputF32 . width , inputF32 . height ) ; GrayS8 direction = new GrayS8 ( inputF32 . width , inputF32 . height ) ; GrayU8 output = new GrayU8 ( inputF32 . width , inputF32 . height ) ; BlurStorageFilter < GrayF32 > blur = FactoryBlurFilter . gaussian ( GrayF32 . class , - 1 , 2 ) ; ImageGradient < GrayF32 , GrayF32 > gradient = FactoryDerivative . sobel ( GrayF32 . class , null ) ; blur . process ( inputF32 , blurred ) ; gradient . process ( blurred , derivX , derivY ) ; float threshLow = 5 ; float threshHigh = 40 ; GradientToEdgeFeatures . intensityE ( derivX , derivY , intensity ) ; GradientToEdgeFeatures . direction ( derivX , derivY , orientation ) ; GradientToEdgeFeatures . discretizeDirection4 ( orientation , direction ) ; GradientToEdgeFeatures . nonMaxSuppression4 ( intensity , direction , suppressed ) ; BufferedImage renderedOrientation = VisualizeEdgeFeatures . renderOrientation4 ( direction , suppressed , threshLow , null ) ; HysteresisEdgeTraceMark hysteresis = new HysteresisEdgeTraceMark ( ) ; hysteresis . process ( suppressed , direction , threshLow , threshHigh , output ) ; BufferedImage renderedLabel = VisualizeBinaryData . renderBinary ( output , false , null ) ; ListDisplayPanel gui = new ListDisplayPanel ( ) ; gui . addImage ( suppressed , "Suppressed Intensity" ) ; gui . addImage ( intensity , "Raw Intensity" ) ; gui . addImage ( renderedOrientation , "Orientation" ) ; gui . addImage ( renderedLabel , "Labeled Contours" ) ; ShowImages . showWindow ( gui , "Visualized Canny Steps" , true ) ; }
static String fileName = UtilIO.pathExample("shapes01.png)";