Example usage for org.opencv.core Mat height

Introduction

In this page you can find the example usage for org.opencv.core Mat height.

Prototype

public int height() 

Source Link

Usage

From source file:bgslibrary.Utils.java

License:Open Source License

static final public void imshow(Mat image) {
    try {/* w  w w.j ava  2s. com*/
        BufferedImage bufImage = toBufferedImage(image);
        JFrame frame = new JFrame("Image");
        frame.getContentPane().setLayout(new FlowLayout());
        frame.getContentPane().add(new JLabel(new ImageIcon(bufImage)));
        frame.pack();
        frame.setSize(image.width() + 40, image.height() + 60);
        frame.setLocationRelativeTo(null);
        frame.setVisible(true);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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From source file:br.cefetmg.lsi.opencv.multipleObjectTracking.processing.MultipleObjectTracking.java

License:Open Source License

private void setFramesSizes(Mat image) {
    frameCamera.setSize(image.width() + 20, image.height() + 60);

    if (calibrationMode) {
        frameThreshold.setSize(image.width() + 20, image.height() + 60);
    }// ww w  .  j  a va  2  s . c o m

}

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From source file:by.zuyeu.deyestracker.core.detection.DemoPanel.java

/**
 * Converts/writes a Mat into a BufferedImage.
 *
 * @param matrix Mat of type CV_8UC3 or CV_8UC1
 * @return BufferedImage of type TYPE_3BYTE_BGR or TYPE_BYTE_GRAY
 *///  w  ww  . j  a va  2 s.  c o m
public boolean convertMatToBufferedImage(Mat matBGR) {

    int width = matBGR.width(), height = matBGR.height(), channels = matBGR.channels();
    byte[] sourcePixels = new byte[width * height * channels];
    matBGR.get(0, 0, sourcePixels);
    // create new image and get reference to backing data
    image = new BufferedImage(width, height, BufferedImage.TYPE_3BYTE_BGR);
    final byte[] targetPixels = ((DataBufferByte) image.getRaster().getDataBuffer()).getData();
    System.arraycopy(sourcePixels, 0, targetPixels, 0, sourcePixels.length);

    return true;
}

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From source file:by.zuyeu.deyestracker.core.detection.DemoPanel.java

public static void main(String arg[]) throws DEyesTrackerException, InterruptedException, ExecutionException {
    LOG.info("main - start;");
    final String windowName = "Capture - Face detection";
    final JFrame frame = new JFrame(windowName);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setSize(400, 400);//from  w  w w.j a  v  a2 s .co m
    final DemoPanel demoPanel = new DemoPanel();
    frame.setContentPane(demoPanel);
    frame.setVisible(true);

    //-- 2. Read the video stream
    final FaceInfoSampler sampler = new FaceInfoSampler();
    final IFrameCapture capture = sampler.getCapture();
    final Scalar faceRegionColor = new Scalar(0, 255, 0);
    final Scalar eyesRegionColor = new Scalar(120, 120, 120);

    final ExecutorService executorService = Executors.newSingleThreadExecutor();
    FutureTask<DetectFaceSample> detectFaceTask = TaskUtils.wrapFutureAnd(new DetectTask(sampler),
            executorService);
    DetectFaceSample sample = new DetectFaceSample();
    while (true) {
        final Mat webcamImage = capture.getNextFrame();
        if (webcamImage != null && !webcamImage.empty()) {
            frame.setSize(webcamImage.width() + 40, webcamImage.height() + 60);

            if (detectFaceTask.isDone()) {
                sample = detectFaceTask.get();

                detectFaceTask = TaskUtils.wrapFutureAnd(new DetectTask(sampler), executorService);
            }

            if (sample.getFace() != null) {
                addRectangleToImage(sample.getFace(), webcamImage, faceRegionColor);
            }
            if (sample.getLeftEye() != null) {
                addRectangleToImage(sample.getLeftEye(), webcamImage, eyesRegionColor);
            }
            if (sample.getRightEye() != null) {
                addRectangleToImage(sample.getRightEye(), webcamImage, eyesRegionColor);
            }
            if (sample.getLeftPupil() != null) {
                drawCircle(webcamImage, sample.getLeftPupil());
            }
            if (sample.getRightPupil() != null) {
                drawCircle(webcamImage, sample.getRightPupil());
            }

            //-- 4. Display the image
            demoPanel.convertMatToBufferedImage(webcamImage); // We could look at the error...
            demoPanel.repaint();
        }
    }
}

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From source file:by.zuyeu.deyestracker.core.util.CVCoreUtils.java

public static Mat selectSubmatByRect(Rect rect, Mat image) {
    double colScale = 1.0 * image.cols() / image.width();
    int colStart = (int) (1.0 * rect.x * colScale);
    int colEnd = (int) (1.0 * (rect.x + rect.width) * colScale);
    double rowScale = 1.0 * image.rows() / image.height();
    int rowStart = (int) (1.0 * rect.y * rowScale);
    int rowEnd = (int) (1.0 * (rect.y + rect.height) * rowScale);

    return image.submat(rowStart, rowEnd, colStart, colEnd);
}

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From source file:by.zuyeu.deyestracker.core.util.CVCoreUtils.java

public static void insertSubmatByRect(Mat subImage, Rect rect, Mat origImage) {
    double colScale = 1.0 * origImage.cols() / origImage.width();
    int colStart = (int) (1.0 * rect.x * colScale);
    double rowScale = 1.0 * origImage.rows() / origImage.height();
    int rowStart = (int) (1.0 * rect.y * rowScale);
    for (int x1 = 0, x2 = colStart; x1 < subImage.cols(); x1++, x2++) {
        for (int y1 = 0, y2 = rowStart; y1 < subImage.rows(); y1++, y2++) {
            final double[] subImgData = subImage.get(y1, x1);
            origImage.put(y2, x2, subImgData);
        }//from w  w  w.ja v a 2 s. com
    }
}

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From source file:cctvanalization.FXMLDocumentController.java

private static void saveFrame(Mat currentFrame, String fileName, String ext) {
    File file = new File(fileName + "." + ext);
    BufferedImage image = new BufferedImage(currentFrame.width(), currentFrame.height(),
            BufferedImage.TYPE_BYTE_GRAY);
    try {// w w w  . ja v  a  2 s  . com
        ImageIO.write(image, ext, file); // ignore returned boolean
    } catch (IOException e) {
        System.out.println("Write error for " + file.getPath() + ": " + e.getMessage());
    }
}

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From source file:Clases.Analizador.java

public BufferedImage analizarMelanoma(Mat img) {
    int totalP, areaM, tamImg = img.width() * img.height();
    Mat imagenCopia = img.clone();/*from   w ww  . j  a  va 2 s.  c  o  m*/
    Mat imagenCopia1 = img.clone();
    img = segmentador.dameLaDona(img);
    Mat img2 = segmentador.dameLaDona(imagenCopia);
    img2 = segmentador.descompCanImg(img2, 1);
    img2 = segmentador.umbralizarImg(img2, 254, 255);

    img = segmentador.blurearImg(img, 25);
    img = segmentador.descompCanImg(img, 1);
    //Ventana v = new Ventana(convertir(img2), 0, 0);
    totalP = tamImg - countNonZero(img2);

    img = segmentador.umbralizarImg(img, 30, 150);
    img = segmentador.umbralizarImg(img, 0, 255);
    areaM = tamImg - countNonZero(img);
    resultadoMelanoma = (areaM * 100) / (double) totalP;
    resultadoMelanoma = (double) ((int) (resultadoMelanoma * 100.00) / 100);
    System.out.println("El area afectada por melanoma es: " + resultadoMelanoma + "%");
    System.out.println("El area de iris abarca: " + totalP);
    System.out.println("El total de pixeles es: " + tamImg);
    addWeighted(segmentador.descompCanImg(imagenCopia1, 2), 1, img, 0.3, 0.0, img);
    //Ventana v1 = new Ventana(segmentador.convertir(img), 1, 0);

    return segmentador.Mat2BufferedImage(img);
}

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From source file:classes.TextExtractor.java

public void extractText(Rect roi, double roiAngle) throws Exception {

    Point roiTopLeft = roi.tl();//ww w.j a  v a 2  s.co  m

    double radians = Math.toRadians(roiAngle);
    double sin = Math.abs(Math.sin(radians));
    double cos = Math.abs(Math.cos(radians));

    int newWidth = (int) (image.width() * cos + image.height() * sin);
    int newHeight = (int) (image.width() * sin + image.height() * cos);

    int[] newWidthHeight = { newWidth, newHeight };

    int pivotX = newWidthHeight[0] / 2;
    int pivotY = newWidthHeight[1] / 2;

    Point center = new Point(pivotX, pivotY);

    Size targetSize = new Size(newWidthHeight[0], newWidthHeight[1]);

    Mat intermediateImage = new Mat(targetSize, image.type());

    int offsetX = (newWidthHeight[0] - image.width()) / 2;
    int offsetY = (newWidthHeight[1] - image.height()) / 2;

    Point paddedTopLeft = new Point(roiTopLeft.x + offsetX, roiTopLeft.y + offsetY);

    Mat containerImage = intermediateImage.submat(offsetY, offsetY + image.height(), offsetX,
            offsetX + image.width());
    image.copyTo(containerImage);

    Mat rotationMatrix = Imgproc.getRotationMatrix2D(center, roiAngle, 1.0);

    Point transformedTopLeft = transformPoint(paddedTopLeft, rotationMatrix);

    Mat rotatedImage = new Mat();
    Imgproc.warpAffine(intermediateImage, rotatedImage, rotationMatrix, targetSize, Imgproc.INTER_LINEAR,
            Imgproc.BORDER_CONSTANT, new Scalar(0));

    ImageUtils.saveImage(rotatedImage, imageID + "_rotatedImage.png", request);

    double adjustedWidth = roi.size().width;
    double adjustedHeight = roi.size().height;

    if (transformedTopLeft.x + adjustedWidth > rotatedImage.width()) {
        adjustedWidth = rotatedImage.width() - transformedTopLeft.x;
    }

    if (transformedTopLeft.y + adjustedHeight > rotatedImage.height()) {
        adjustedHeight = rotatedImage.height() - transformedTopLeft.y;
    }

    Rect newROI = new Rect(transformedTopLeft, new Size(adjustedWidth, adjustedHeight));

    Mat extractedROI = new Mat(rotatedImage, newROI);

    String fileName = ImageUtils.saveImage(extractedROI, imageID + "_ROI.png", request);

    extractText(fileName);
}

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From source file:classes.Util.java

public static BufferedImage mat2Img(Mat in) {
    BufferedImage out;/*from www  . j  a v a 2s. co  m*/
    byte[] data = new byte[in.width() * in.height() * (int) in.elemSize()];
    int type;
    in.get(0, 0, data);

    if (in.channels() == 1) {
        type = BufferedImage.TYPE_BYTE_GRAY;
    } else {
        type = BufferedImage.TYPE_3BYTE_BGR;
    }

    out = new BufferedImage(in.width(), in.height(), type);

    out.getRaster().setDataElements(0, 0, in.width(), in.height(), data);
    return out;
}

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