Java ListDisplayPanel类代码示例

import boofcv.gui.ListDisplayPanel; //导入依赖的package包/类
public static void view(File directory) {
    ListDisplayPanel panel = new ListDisplayPanel();
    int numCols = 20;

    int numImagesPerLabel = -1;
    char prevNumLabel = ' ';
    for (File d : directory.listFiles((dir, name) -> !name.matches("\\..*"))) {
        String label = d.getName();
        BufferedImage[] bufferedImages = Arrays.stream(d.listFiles((dir, name) -> name.matches(".*\\.jpg")))
                .map(f -> UtilImageIO.loadImage(f.getAbsolutePath()))
                .map(bi -> resize(bi, bi.getWidth() / 3, bi.getHeight() / 3))
                .collect(Collectors.toList())
                .toArray(new BufferedImage[0]);
        panel.addItem(new ImageGridPanel((bufferedImages.length / numCols) + 1, numCols, bufferedImages), label);
        System.out.println(label + "\t" + bufferedImages.length);
        if (prevNumLabel != label.charAt(0)) {
            numImagesPerLabel = bufferedImages.length;
            prevNumLabel = label.charAt(0);
        } else if (numImagesPerLabel != bufferedImages.length) {
            throw new IllegalStateException("Expected " + numImagesPerLabel + " images, but only found " + bufferedImages.length + " for " + label);
        }
    }

    ShowImages.showWindow(panel, ViewLabelledImagesV2.class.getSimpleName(), true);
}
 

import boofcv.gui.ListDisplayPanel; //导入依赖的package包/类
/**
	 * When an image is sharpened the intensity of edges are made more extreme while flat regions remain unchanged.
	 */
	public static void sharpen() {
//		BufferedImage buffered = UtilImageIO.loadImage("../data/applet/enhance/dull.jpg");
		BufferedImage buffered = UtilImageIO.loadImage("../data/applet/enhance/dark.jpg");
		ImageUInt8 gray = ConvertBufferedImage.convertFrom(buffered,(ImageUInt8)null);
		ImageUInt8 adjusted = new ImageUInt8(gray.width, gray.height);


		ListDisplayPanel panel = new ListDisplayPanel();

		EnhanceImageOps.sharpen4(gray, adjusted);
		panel.addImage(ConvertBufferedImage.convertTo(adjusted,null),"Sharpen-4");

		EnhanceImageOps.sharpen8(gray, adjusted);
		panel.addImage(ConvertBufferedImage.convertTo(adjusted,null),"Sharpen-8");

		panel.addImage(ConvertBufferedImage.convertTo(gray,null),"Original");

		panel.setPreferredSize(new Dimension(gray.width,gray.height));
		ShowImages.showWindow(panel,"Sharpen");
	}
 

import boofcv.gui.ListDisplayPanel; //导入依赖的package包/类
@Override
public double[] find(BufferedImage image, boolean debug) throws IOException {
  // Based on code from http://boofcv.org/index.php?title=Example_Binary_Image

  ListDisplayPanel panel = debug ? new ListDisplayPanel() : null;

  List<Shape> shapes = ImageProcessingPipeline.fromBufferedImage(image, panel)
          .gray()
          .medianBlur(3) // this is fairly critical
          .edges()
          .dilate()
          .contours()
          .polygons(0.05, 0.05)
          .getExternalShapes();

  int expectedWidth = 40 * 3; // 40mm
  int expectedHeight = 20 * 3; // 20mm
  int tolerancePct = 40;
  List<Shape> filtered = GeometryUtils.filterByArea(shapes, expectedWidth, expectedHeight, tolerancePct);
  List<Shape> nonOverlapping = GeometryUtils.filterNonOverlappingBoundingBoxes(filtered);

  if (debug) {
    System.out.println(shapes);
    System.out.println(filtered);
    System.out.println(nonOverlapping);
    ShowImages.showWindow(panel, "Binary Operations", true);
  }
  return new double[] { nonOverlapping.size() % 3 };  // just return as an int mod 3
}
 

import boofcv.gui.ListDisplayPanel; //导入依赖的package包/类
@Override
public double[] find(BufferedImage image, boolean debug) throws IOException {
  // Based on code from http://boofcv.org/index.php?title=Example_Binary_Image

  ListDisplayPanel panel = debug ? new ListDisplayPanel() : null;

  List<Shape> shapes = ImageProcessingPipeline.fromBufferedImage(image, panel)
          .gray()
          .medianBlur(3) // this is fairly critical
          .edges()
          .dilate()
          .contours()
          .polygons(0.05, 0.05)
          .getExternalShapes();

  int expectedWidth = 40 * 3; // 40mm
  int expectedHeight = 20 * 3; // 20mm
  int tolerancePct = 40;
  List<Shape> filtered = GeometryUtils.filterByArea(shapes, expectedWidth, expectedHeight, tolerancePct);
  List<Shape> nonOverlapping = GeometryUtils.filterNonOverlappingBoundingBoxes(filtered);

  Optional<double[]> cardShapeFeatures = nonOverlapping.stream()
          .map(Shape::getPolygon)
          .map(p -> new double[] { p.size(), p.isConvex() ? 1 : 0 })
          .findFirst();

  if (debug) {
    ShowImages.showWindow(panel, getClass().getSimpleName(), true);
  }

  return cardShapeFeatures.orElse(null); // improve
}
 

import boofcv.gui.ListDisplayPanel; //导入依赖的package包/类
@Override
public double[] find(BufferedImage image, boolean debug) throws IOException {
    ListDisplayPanel panel = debug ? new ListDisplayPanel() : null;
    double[] features = ImageProcessingPipeline.fromBufferedImage(image, panel)
            .filterBackgroundOut()
            .coupledHueSat();
    if (debug) {
        ShowImages.showWindow(panel, getClass().getSimpleName(), true);
    }
    return features;
}
 

import boofcv.gui.ListDisplayPanel; //导入依赖的package包/类
private void run() throws IOException {
    BufferedImage image = UtilImageIO.loadImage(UtilIO.pathExample("C:\\development\\readySET\\deck\\1221.png"));

    GrayU8 gray = ConvertBufferedImage.convertFrom(image,(GrayU8)null);
    GrayU8 edgeImage = gray.createSameShape();

    // Create a canny edge detector which will dynamically compute the threshold based on maximum edge intensity
    // It has also been configured to save the trace as a graph.  This is the graph created while performing
    // hysteresis thresholding.
    CannyEdge<GrayU8,GrayS16> canny = FactoryEdgeDetectors.canny(2,true, true, GrayU8.class, GrayS16.class);

    // The edge image is actually an optional parameter.  If you don't need it just pass in null
    canny.process(gray,0.1f,0.3f,edgeImage);

    // First get the contour created by canny
    List<EdgeContour> edgeContours = canny.getContours();
    // The 'edgeContours' is a tree graph that can be difficult to process.  An alternative is to extract
    // the contours from the binary image, which will produce a single loop for each connected cluster of pixels.
    // Note that you are only interested in verticesnal contours.
    List<Contour> contours = BinaryImageOps.contour(edgeImage, ConnectRule.EIGHT, null);

    // display the results
    BufferedImage visualBinary = VisualizeBinaryData.renderBinary(edgeImage, false, null);
    BufferedImage visualCannyContour = VisualizeBinaryData.renderContours(edgeContours,null,
            gray.width,gray.height,null);
    BufferedImage visualEdgeContour = new BufferedImage(gray.width, gray.height,BufferedImage.TYPE_INT_RGB);
    VisualizeBinaryData.render(contours, (int[]) null, visualEdgeContour);

    ListDisplayPanel panel = new ListDisplayPanel();
    panel.addImage(visualBinary,"Binary Edges from Canny");
    panel.addImage(visualCannyContour, "Canny Trace Graph");
    panel.addImage(visualEdgeContour,"Contour from Canny Binary");
    ShowImages.showWindow(panel,"Canny Edge", true);
}
 

import boofcv.gui.ListDisplayPanel; //导入依赖的package包/类
public static void main( String args[] ) {

        // load the input image, declare data structures, create a noisy image
        Random rand = new Random(234);
        String dir = new File(".").getAbsolutePath();
        File file = new File("/Users/mehdibenchoufi/Downloads/Example_lena_denoise_noisy.jpg");

        ImageFloat32 input = UtilImageIO.loadImage(file.getAbsolutePath(), ImageFloat32.class);
        ImageFloat32 noisy = input.clone();
        GImageMiscOps.addGaussian(noisy, rand, 20, 0, 255);
        ImageFloat32 denoised = new ImageFloat32(input.width, input.height);

        // How many levels in wavelet transform
        int numLevels = 4;
        // Create the noise removal algorithm
        WaveletDenoiseFilter<ImageFloat32> denoiser =
                FactoryImageDenoise.waveletBayes(ImageFloat32.class, numLevels, 0, 255);

        // remove noise from the image
        denoiser.process(noisy,denoised);

        // display the results
        ListDisplayPanel gui = new ListDisplayPanel();
        gui.addImage(ConvertBufferedImage.convertTo(input, null),"Input");
        gui.addImage(ConvertBufferedImage.convertTo(noisy,null),"Noisy");
        gui.addImage(ConvertBufferedImage.convertTo(denoised,null),"Denoised");

        ShowImages.showWindow(input, "With  noise", true);
        ShowImages.showWindow(denoised, "Without noise", true);
    }
 

import boofcv.gui.ListDisplayPanel; //导入依赖的package包/类
public static void main( String args[] ) {

		// load the input image, declare data structures, create a noisy image
		Random rand = new Random(234);
		ImageFloat32 input = UtilImageIO.loadImage("../data/evaluation/standard/lena512.bmp",ImageFloat32.class);

		ImageFloat32 noisy = input.clone();
		GImageMiscOps.addGaussian(noisy, rand, 20, 0, 255);
		ImageFloat32 denoised = new ImageFloat32(input.width,input.height);

		// How many levels in wavelet transform
		int numLevels = 4;
		// Create the noise removal algorithm
		WaveletDenoiseFilter<ImageFloat32> denoiser =
				FactoryImageDenoise.waveletBayes(ImageFloat32.class,numLevels,0,255);

		// remove noise from the image
		denoiser.process(noisy,denoised);

		// display the results
		ListDisplayPanel gui = new ListDisplayPanel();
		gui.addImage(ConvertBufferedImage.convertTo(input,null),"Input");
		gui.addImage(ConvertBufferedImage.convertTo(noisy,null),"Noisy");
		gui.addImage(ConvertBufferedImage.convertTo(denoised,null),"Denoised");

		ShowImages.showWindow(gui,"Wavelet Noise Removal Example");
	}
 

import boofcv.gui.ListDisplayPanel; //导入依赖的package包/类
/**
 * Displays results in a window for easy comparison..
 */
private static void displayResults(BufferedImage orig,
								   MultiSpectral<ImageFloat32> distortedImg,
								   PointTransform_F32 tran,
								   PointTransform_F32 fullView,
								   PointTransform_F32 allInside,
								   ImageDistort<ImageFloat32> distort) {
	// render the results
	MultiSpectral<ImageFloat32> undistortedImg = new MultiSpectral<ImageFloat32>(ImageFloat32.class,
			distortedImg.getWidth(),distortedImg.getHeight(),distortedImg.getNumBands());

	distort.setModel(new PointToPixelTransform_F32(tran));
	GImageMiscOps.fill(undistortedImg, 0);
	DistortImageOps.distortMS(distortedImg, undistortedImg, distort);
	BufferedImage out1 = ConvertBufferedImage.convertTo(undistortedImg, null);

	distort.setModel(new PointToPixelTransform_F32(fullView));
	GImageMiscOps.fill(undistortedImg,0);
	DistortImageOps.distortMS(distortedImg,undistortedImg,distort);
	BufferedImage out2 = ConvertBufferedImage.convertTo(undistortedImg,null);

	distort.setModel(new PointToPixelTransform_F32(allInside));
	GImageMiscOps.fill(undistortedImg,0);
	DistortImageOps.distortMS(distortedImg,undistortedImg,distort);
	BufferedImage out3 = ConvertBufferedImage.convertTo(undistortedImg,null);

	// display in a single window where the user can easily switch between images
	ListDisplayPanel panel = new ListDisplayPanel();
	panel.addItem(new ImagePanel(orig), "Original");
	panel.addItem(new ImagePanel(out1), "Undistorted");
	panel.addItem(new ImagePanel(out3), "Undistorted All Inside");
	panel.addItem(new ImagePanel(out2), "Undistorted Full View");

	ShowImages.showWindow(panel, "Removing Lens Distortion");
}
 

import boofcv.gui.ListDisplayPanel; //导入依赖的package包/类
public static void main( String args[] ) {

		BufferedImage input = UtilImageIO.loadImage(fileName);
		ImageFloat32 inputF32 = ConvertBufferedImage.convertFrom(input,(ImageFloat32)null);

		ImageFloat32 integral = IntegralImageOps.transform(inputF32,null);
		ImageFloat32 intensity = new ImageFloat32(integral.width,integral.height);

		ListDisplayPanel guiIntensity = new ListDisplayPanel();
		guiIntensity.addImage(input,"Original");
		guiIntensity.addImage(VisualizeImageData.grayMagnitude(inputF32,null,255),"Gray");

		int skip = 0;
		for( int octave = 0; octave < 4; octave++ ) {
			if( skip == 0 )
				skip = 1;
			else
				skip = skip+skip;
			for( int sizeIndex = 0; sizeIndex< 4; sizeIndex++ ) {
				int block = 1+skip*2*(sizeIndex+1);
				int size = 3*block;

				IntegralImageFeatureIntensity.hessian(integral,1,size,intensity);
				float maxAbs = ImageStatistics.maxAbs(intensity);
				BufferedImage b = VisualizeImageData.colorizeSign(intensity,null,maxAbs);
				guiIntensity.addImage(b,String.format("Oct = %2d size %3d",octave+1,size));
			}
		}

		ShowImages.showWindow(guiIntensity,"Feature Intensity");
	}
 

import boofcv.gui.ListDisplayPanel; //导入依赖的package包/类
@Override
public double[] find(BufferedImage image, boolean debug) throws IOException {
  // Based on code from http://boofcv.org/index.php?title=Example_Binary_Image
  ListDisplayPanel panel = debug ? new ListDisplayPanel() : null;

  List<Shape> shapes = ImageProcessingPipeline.fromBufferedImage(image, panel)
          .gray()
          .medianBlur(3) // this is fairly critical
          .edges()
          .dilate()
          .contours()
          .polygons(0.05, 0.05)
          .getExternalShapes();

  int expectedWidth = 40 * 3; // 40mm
  int expectedHeight = 20 * 3; // 20mm
  int tolerancePct = 40;
  List<Shape> filtered = GeometryUtils.filterByArea(shapes, expectedWidth, expectedHeight, tolerancePct);
  List<Shape> nonOverlapping = GeometryUtils.filterNonOverlappingBoundingBoxes(filtered);

  Optional<RectangleLength2D_F32> box = nonOverlapping.stream()
          .map(Shape::getBoundingBox)
          .findFirst();

  double[] features = null;
  if (box.isPresent()) {
    Quadrilateral_F64 quad = new Quadrilateral_F64();
    RectangleLength2D_F32 rect = box.get();
    convert(rect, quad);
    Planar<GrayF32> output = GeometryUtils.removePerspectiveDistortion(image, quad, 200, 100);
    BufferedImage shape = ConvertBufferedImage.convertTo_F32(output, null, true);
    if (debug) {
      panel.addImage(shape, "Shape");
    }

    ImageProcessingPipeline.ContourPolygonsProcessor edgeProcessor = ImageProcessingPipeline.fromBufferedImage(shape, panel)
            .gray()
            .edges()
            .contours()
            .polygons(0.01, 0.01);

    ImageProcessingPipeline.ContourPolygonsProcessor binaryProcessor = ImageProcessingPipeline.fromBufferedImage(shape, panel)
            .gray()
            .binarize(0, 255, true)
            .contours()
            .polygons(0.01, 0.01);

    GrayU8 finalImage = ImageProcessingPipeline.fromBufferedImage(shape, panel)
            .gray()
            .sharpen()
            .binarize(0, 255, true)
            .extract(100 - 25, 50 - 12, 50, 25)
            .getImage();
    double meanPixelValue = ImageStatistics.mean(finalImage);
    features = new double[] { meanPixelValue };
  }

  if (debug) {
    ShowImages.showWindow(panel, getClass().getSimpleName(), true);
  }

  return features;
}
 

import boofcv.gui.ListDisplayPanel; //导入依赖的package包/类
public List<CardImage> detect(BufferedImage image, String filename, boolean debug, boolean allowRotated, int expectedRows, int expectedColumns) throws IOException {
  // Based on code from http://boofcv.org/index.php?title=Example_Binary_Image

  String imageInfo = filename == null ? image.toString() : filename;

  if (!allowRotated && image.getWidth() > image.getHeight()) {
    throw new IllegalArgumentException("Image height must be greater than width: " + imageInfo);
  }
  int medianBlur = this.medianBlur != -1 ? this.medianBlur : Math.max(image.getHeight(), image.getWidth()) / 200; // heuristic

  ListDisplayPanel panel = debug ? new ListDisplayPanel() : null;

  List<Quadrilateral_F64> quads = ImageProcessingPipeline.fromBufferedImage(image, panel)
          .gray()
          .medianBlur(medianBlur)
          .binarize(0, 255)
          .erode()
          .dilate()
          .contours()
          .polygons(0.05, 0.1)
          .getExternalQuadrilaterals();

  // Only include shapes that are within given percentage of the mean area. This filters out image artifacts that
  // happen to be quadrilaterals that are not cards (since they are usually a different size).
  List<Quadrilateral_F64> cards = GeometryUtils.filterByArea(quads, areaTolerancePct);
  List<List<Quadrilateral_F64>> rows = GeometryUtils.sortRowWise(cards);// sort into a stable order
  if (expectedRows != -1 && rows.size() != expectedRows) {
    throw new IllegalArgumentException(String.format("Expected %s rows, but detected %s: %s", expectedRows, rows.size(), imageInfo));
  }
  if (expectedColumns != -1) {
    rows.forEach(row -> {
      if (row.size() != expectedColumns) {
        throw new IllegalArgumentException(String.format("Expected %s columns, but detected %s: %s", expectedColumns, row.size(), imageInfo));
      }
    });
  }
  List<CardImage> cardImages = rows.stream()
          .flatMap(List::stream)
          .map(q -> {
            // Remove perspective distortion
            Planar<GrayF32> output = GeometryUtils.removePerspectiveDistortion(image, q, 57 * 3, 89 * 3); // actual cards measure 57 mm x 89 mm
            BufferedImage im = ConvertBufferedImage.convertTo_F32(output, null, true);
            return new CardImage(im, q);
          }
  ).collect(Collectors.toList());

  if (debug) {
    int i = 1;
    for (CardImage card : cardImages) {
      panel.addImage(card.getImage(), "Card " + i++);
    }
    ShowImages.showWindow(panel, getClass().getSimpleName(), true);
  }

  return cardImages;

}
 

import boofcv.gui.ListDisplayPanel; //导入依赖的package包/类
private ImageProcessingPipeline(BufferedImage original, ListDisplayPanel panel) {
    this.panel = panel;
    addImageToPanel(original, "Original");
}
 

import boofcv.gui.ListDisplayPanel; //导入依赖的package包/类
public static BufferedImageProcessor fromBufferedImage(BufferedImage original, ListDisplayPanel panel) {
    return new ImageProcessingPipeline(original, panel).new BufferedImageProcessor(original);
}
 

import boofcv.gui.ListDisplayPanel; //导入依赖的package包/类
public ModelBuilderGUI() {
    listPanel = new ListDisplayPanel();
}