Java DisplayUtilities类代码示例

import org.openimaj.image.DisplayUtilities; //导入依赖的package包/类
/**
 * Construct demo
 */
public MSEREllipseFinder() {
	final MBFImage image = new MBFImage(400, 400, ColourSpace.RGB);
	final MBFImageRenderer renderer = image.createRenderer();

	image.fill(RGBColour.WHITE);
	final List<Ellipse> ellipses = new ArrayList<Ellipse>();
	ellipses.add(new Ellipse(200, 100, 100, 80, Math.PI / 4));
	ellipses.add(new Ellipse(200, 300, 50, 30, -Math.PI / 4));
	ellipses.add(new Ellipse(100, 300, 30, 50, -Math.PI / 3));

	for (final Ellipse ellipse : ellipses) {
		renderer.drawShapeFilled(ellipse, RGBColour.BLACK);
	}

	final MSERFeatureGenerator mser = new MSERFeatureGenerator(MomentFeature.class);
	final List<Component> features = mser.generateMSERs(Transforms
			.calculateIntensityNTSC(image));
	for (final Component c : features) {
		final MomentFeature feature = c.getFeature(MomentFeature.class);
		renderer.drawShape(feature.getEllipse(2), RGBColour.RED);
		renderer.drawShape(feature.getEllipse(2)
				.calculateOrientedBoundingBox(), RGBColour.GREEN);
	}
	DisplayUtilities.display(image);
}
 

import org.openimaj.image.DisplayUtilities; //导入依赖的package包/类
@Override
public void analyseImage(FImage image) {
	final FourierTransform ft = new FourierTransform(image, false);
	final FImage mag = ft.getMagnitude();

	int count = 0;
	for (int y = 0; y < mag.height; y++) {
		for (int x = 0; x < mag.width; x++) {
			if (Math.abs(mag.pixels[y][x]) > threshold)
				count++;
		}
	}
	bpp = (double) count / (double) (mag.height * mag.width);

	DisplayUtilities.display(image, "" + bpp);
}
 

import org.openimaj.image.DisplayUtilities; //导入依赖的package包/类
private void drawPositivePatches() {
	final NNClassifier nnClass = tldMain.tld.detectorCascade.getNNClassifier();
	final List<NormalizedPatch> patches = nnClass.getPositivePatches();
	final Rectangle inDim = new Rectangle(0, 0, NormalizedPatch.TLD_PATCH_SIZE, NormalizedPatch.TLD_PATCH_SIZE);
	final int X = 5;
	final int Y = Math.max(6, (patches.size() / X) + 1);
	final FImage out = new FImage(50 * X, 50 * Y);
	out.fill(1f);
	int i = 0;
	final Rectangle otRect = new Rectangle(0, 0, 50, 50);
	for (final NormalizedPatch normalizedPatch : patches) {
		otRect.x = (i % X) * 50;
		otRect.y = (i / X) * 50;
		if ((i / X) >= Y)
			break;
		ResizeProcessor.zoom(normalizedPatch.normalisedPatch, inDim, out, otRect);
		i++;
	}
	DisplayUtilities.displayName(out, "patches", true);
}
 

import org.openimaj.image.DisplayUtilities; //导入依赖的package包/类
private void regenAndDisplay() {
	double sumDistance = 0;
	for (float y = 0; y < outImage.getHeight(); y++) {
		for (float x = 0; x < outImage.getWidth(); x++) {
			Point2dImpl point = new Point2dImpl(x, y);
			Point2d distorted = getDistortedPoint(point);

			if (image.getBounds().isInside(distorted)) {
				Point2d undistorted = getUndistortedPoint(distorted);
				sumDistance += new Line2d(point, undistorted)
						.calculateLength();
			}

			outImage.setPixel((int) x, (int) y, image.getPixelInterp(
					distorted.getX(), distorted.getY(), RGBColour.BLACK));
		}
	}
	System.out.println("Sum difference: " + sumDistance);

	if (this.outFrame == null) {
		outFrame = DisplayUtilities.display(outImage);
	} else {
		DisplayUtilities.display(outImage, outFrame);
	}
}
 

import org.openimaj.image.DisplayUtilities; //导入依赖的package包/类
/**
	 * Test the distance transform
	 * @param args
	 * @throws IOException
	 */
	public static void main(String args[]) throws IOException{
		FImage i = ImageUtilities.readF(new File("/Users/ss/Desktop/tache.jpg"));
		EuclideanDistanceTransform etrans = new EuclideanDistanceTransform();
//		i.processInplace(new CannyEdgeDetector());
		i.inverse();
		for(int x = 0;x < i.width; x++)
			for(int y = 0; y < i.height; y++) 
				if(i.pixels[y][x] == 1.0f) 
					i.setPixel(x, y, Float.MAX_VALUE);
		DisplayUtilities.display(i);
		i.analyseWith(etrans);
		i = etrans.getDistances();
		i.normalise();
		DisplayUtilities.display(i);
	}
 

import org.openimaj.image.DisplayUtilities; //导入依赖的package包/类
private void tryDuelingCarl() throws MalformedURLException {
	final String testVideo = "https://www.youtube.com/watch?v=t-7mQhSZRgM";
	VGetVideo v = new VGetVideo(testVideo);
	int frames = 0;
	while (v.hasNextFrame()) {
		frames++;
		v.getNextFrame();
	}
	System.out.println("Seen frames: " + frames);
	final VideoInfoUser user = new VideoInfoUser();
	user.setUserQuality(VideoQuality.p144);
	v = new VGetVideo(testVideo, user);
	int newframes = 0;
	while (v.hasNextFrame()) {
		newframes++;
		// v.getNextFrame();
		DisplayUtilities.displayName(v.getNextFrame(), "frame");
	}
	System.out.println("Low Quality frames: " + newframes);
}
 

import org.openimaj.image.DisplayUtilities; //导入依赖的package包/类
@Override
public void run() {
	while (true) {
		if (!renderMode)
			break;
		final MBFImage extracted = this.image.extractROI(this.visibleArea);
		if (clear) {
			extracted.fill(RGBColour.WHITE);
			this.clear = false;
		}
		this.mode.drawToImage(extracted);

		this.image.drawImage(extracted, 0, 0);
		DisplayUtilities.display(this.image, this);
	}
}
 

import org.openimaj.image.DisplayUtilities; //导入依赖的package包/类
private static Map<Ellipse, OrientedFeatureVector> extractFeatures(FImage img) {
	final StrokeWidthTransform swt = new StrokeWidthTransform(false, 1.0f);
	final FImage swtImage = img.process(swt);
	DisplayUtilities.display(StrokeWidthTransform.normaliseImage(swtImage));

	final EllipseGradientFeatureExtractor egfe = new EllipseGradientFeatureExtractor();

	final List<ConnectedComponent> ccs = findComponents(swtImage);
	final Map<Ellipse, OrientedFeatureVector> im1f = new HashMap<Ellipse, OrientedFeatureVector>();
	for (final ConnectedComponent cc : ccs) {
		final double[] centroid = cc.calculateCentroid();
		final Matrix m = computeCovariance(cc, centroid);

		final Ellipse e = EllipseUtilities.ellipseFromCovariance((float) centroid[0], (float) centroid[1], m, 3f);

		for (final OrientedFeatureVector f : egfe.extract(img, e))
			im1f.put(e, f);
	}

	return im1f;
}
 

import org.openimaj.image.DisplayUtilities; //导入依赖的package包/类
/**
 * 
 *	@param as
 *	@throws Exception
 */
public PowerCepstrumVis( AudioStream as ) throws Exception
   {
	FImage img = new FImage( 1000, 600 );

	PowerCepstrumTransform pct = new PowerCepstrumTransform();
	
	SampleChunk sc = null;
	while( (sc = as.nextSampleChunk()) != null )
	{
		pct.process( sc );
		float[][] c = pct.getLastCepstrum();
		for( int i = 0; i < c[0].length; i++ )
			img.setPixel( img.getWidth()-1, i, c[0][i]/50f );
		img.shiftLeftInplace();
		
		DisplayUtilities.displayName( img, "Power Cepstrum" );
	}
   }
 

import org.openimaj.image.DisplayUtilities; //导入依赖的package包/类
public static void main(String[] args) throws IOException {
	final List<PointList> pointData = loadData();
	final PointListConnections plc = loadConnections();
	final List<FImage> images = loadImages();

	System.out.println(pointData.size());
	System.out.println(images.size());

	final Float[][] cols = new Float[pointData.get(0).size()][];
	for (int i = 0; i < cols.length; i++)
		cols[i] = RGBColour.randomColour();

	for (int j = 0; j < pointData.size(); j++) {
		final PointList pl = pointData.get(j);
		final MBFImage img = images.get(j).toRGB();

		final List<Line2d> lines = plc.getLines(pl);
		img.drawLines(lines, 1, RGBColour.RED);

		for (int i = 0; i < pl.size(); i++) {
			final Point2d pt = pl.get(i);
			img.drawPoint(pt, cols[i], 3);
		}
		DisplayUtilities.display(img);
	}
}
 

import org.openimaj.image.DisplayUtilities; //导入依赖的package包/类
public static void main(String[] args) throws IOException {
	final FImage image = ImageUtilities.readF(new File("/Users/jsh2/Desktop/test-images/A7K9ZlZCAAA9VoL.jpg"));

	final CLMFaceDetector detector = new CLMFaceDetector();
	final List<Rectangle> rects = detector.getConfiguration().faceDetector.detect(image);

	final MBFImage img = new MBFImage(image.clone(), image.clone(), image.clone());
	for (final Rectangle r : rects) {
		r.scaleCentroid(1.2f);
		img.drawShape(r, RGBColour.RED);
	}
	DisplayUtilities.display(img);

	final List<CLMDetectedFace> faces = detector.detectFaces(image, rects);

	final CLMAligner aligner = new CLMAligner();

	DisplayUtilities.display(aligner.align(faces.get(0)));
}
 

import org.openimaj.image.DisplayUtilities; //导入依赖的package包/类
private void redraw() {
	this.display.fill(RGBColour.WHITE);
	boolean first = true;
	// Start at the end (i.e. most recent)
	int ind = 0;
	for (final MBFImage img : this.displayList) {

		if (first) {
			first = false;
			// main image!
			this.display.drawImage(img.process(this.mainResizer), 0, 0);
		} else {
			final int y = ind / GRID_NX;
			final int x = (ind - (y * GRID_NX));
			this.display.drawImage(img.process(this.thumbResizer), this.thumbXOffset + (x * GRID_W), y * GRID_H);
			ind++;
		}
	}

	DisplayUtilities.displayName(display, "Pics, slurped!");
}
 

import org.openimaj.image.DisplayUtilities; //导入依赖的package包/类
public static void main(String[] args) throws IOException {
	final FImage image1 = ImageUtilities.readF(new File("/Users/jsh2/Data/ukbench/full/ukbench00000.jpg"));
	final FImage image2 = ImageUtilities.readF(new File("/Users/jsh2/Data/ukbench/full/ukbench00001.jpg"));

	final DoGSIFTEngine engine = new DoGSIFTEngine();

	final LocalFeatureList<Keypoint> keys1 = engine.findFeatures(ResizeProcessor.resizeMax(image1, 150));
	final LocalFeatureList<Keypoint> keys2 = engine.findFeatures(ResizeProcessor.resizeMax(image2, 150));

	final List<Keypoint> keys1f = FilterUtils.filter(keys1, new ByteEntropyFilter());
	final List<Keypoint> keys2f = FilterUtils.filter(keys2, new ByteEntropyFilter());

	System.out.println(keys1.size() + " " + keys1f.size());
	System.out.println(keys2.size() + " " + keys2f.size());

	final FastEuclideanKeypointMatcher<Keypoint> matcher = new FastEuclideanKeypointMatcher<Keypoint>(8000);
	matcher.setModelFeatures(keys1);
	matcher.findMatches(keys2);
	System.out.println(matcher.getMatches().size());
	DisplayUtilities.display(MatchingUtilities.drawMatches(image1, image2, matcher.getMatches(), 1F));

	matcher.setModelFeatures(keys1f);
	matcher.findMatches(keys2f);
	System.out.println(matcher.getMatches().size());
	DisplayUtilities.display(MatchingUtilities.drawMatches(image1, image2, matcher.getMatches(), 1F));
}
 

import org.openimaj.image.DisplayUtilities; //导入依赖的package包/类
/**
 * 	Default constructor
 *  @param id of kinect controller
 *  @throws KinectException
 */
public KinectDepthSnapshot(int id) throws KinectException {
	controller = new KinectController(id, irmode,true);
	GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
	GraphicsDevice[] devices = ge.getScreenDevices();
	JFrame frame=new JFrame("Full Screen JFrame");
	//Set default close operation for JFrame  
	frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 
	//Set JFrame size to full screen size follow current screen size  
	screenWidth = Toolkit.getDefaultToolkit().getScreenSize().width;
	screenHeight = Toolkit.getDefaultToolkit().getScreenSize().height;
	fullScreenResizeProcessor = new ResizeProcessor(screenWidth, screenHeight);
	frame.setBounds(0,0,screenWidth,screenHeight);  
	videoFrame = VideoDisplay.createVideoDisplay(this, new DisplayUtilities.ImageComponent(true));
	JFrame wholeWindow = new JFrame();
	wholeWindow.setUndecorated(true);
	wholeWindow.setAlwaysOnTop(true);
	wholeWindow.getContentPane().add(videoFrame.getScreen());
	devices[0].setFullScreenWindow(wholeWindow);
	((JFrame)SwingUtilities.getRoot(videoFrame.getScreen())).setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	SwingUtilities.getRoot(videoFrame.getScreen()).addKeyListener(this);

}
 

import org.openimaj.image.DisplayUtilities; //导入依赖的package包/类
@Override
public void beforeUpdate(MBFImage frame) {
	DisplayUtilities.displayName(frame, "video");
	if (renderer == null) {
		this.renderer = frame.createRenderer();

	}
	// this.renderer.drawShapeFilled(targetArea, RGBColour.RED);
	updatePolygon();
	final ProjectionProcessor<Float[], MBFImage> proc = new MBFProjectionProcessor();
	proc.setMatrix(captureToVideo);

	proc.accumulate(nextCaptureFrame);
	if (this.targetArea != null) {
		final Matrix transform = TransformUtilities.homographyMatrixNorm(pointList);
		proc.setMatrix(transform);
		proc.accumulate(frame.clone());
	}
	synchronized (this) {
		proc.performProjection(0, 0, frame);
	}
}