Example usage for org.opencv.core Mat put

Introduction

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

Prototype

public int put(int row, int col, byte[] data) 

Source Link

Usage

From source file:org.sikuli.script.Image.java

License:MIT License

protected static Mat createMat(BufferedImage img) {
    if (img != null) {
        Debug timer = Debug.startTimer("Mat create\t (%d x %d) from \n%s", img.getWidth(), img.getHeight(),
                img);/*w  w  w .  ja  v a2 s  .c  o  m*/
        Mat mat_ref = new Mat(img.getHeight(), img.getWidth(), CvType.CV_8UC4);
        timer.lap("init");
        byte[] data;
        BufferedImage cvImg;
        ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
        int[] nBits = { 8, 8, 8, 8 };
        ColorModel cm = new ComponentColorModel(cs, nBits, true, false, Transparency.TRANSLUCENT,
                DataBuffer.TYPE_BYTE);
        SampleModel sm = cm.createCompatibleSampleModel(img.getWidth(), img.getHeight());
        DataBufferByte db = new DataBufferByte(img.getWidth() * img.getHeight() * 4);
        WritableRaster r = WritableRaster.createWritableRaster(sm, db, new Point(0, 0));
        cvImg = new BufferedImage(cm, r, false, null);
        timer.lap("empty");
        Graphics2D g = cvImg.createGraphics();
        g.drawImage(img, 0, 0, null);
        g.dispose();
        timer.lap("created");
        data = ((DataBufferByte) cvImg.getRaster().getDataBuffer()).getData();
        mat_ref.put(0, 0, data);
        Mat mat = new Mat();
        timer.lap("filled");
        Imgproc.cvtColor(mat_ref, mat, Imgproc.COLOR_RGBA2BGR, 3);
        timer.end();
        return mat;
    } else {
        return null;
    }
}

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From source file:org.surmon.pattern.importer.impl.JPEGImporter.java

private static PatternImage importJPEG(int id, File file) {

    BufferedImage tempImage;/*from w w  w. j  ava2s. c om*/
    WritableRaster tempRaster;
    byte[] values;

    try {
        tempImage = ImageIO.read(file);
        tempRaster = tempImage.getRaster();
        values = new byte[tempImage.getWidth() * tempImage.getHeight()];
        int c = 0;
        for (int y = 0; y < tempImage.getHeight(); y++) {
            for (int x = 0; x < tempImage.getWidth(); x++) {
                values[c++] = (byte) tempRaster.getSample(x, y, 0);
            }
        }

        Mat mat = new Mat(tempImage.getHeight(), tempImage.getWidth(), CvType.CV_8UC1);
        mat.put(0, 0, values);

        return new PatternImage(id, mat);

    } catch (IOException ex) {
        Logger.getLogger("Loading").log(Level.SEVERE, null, ex);
    }

    return null;
}

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From source file:org.surmon.pattern.importer.impl.MRCImporter.java

/**
 * Provides import from MRC.//from w ww.j a  v  a2 s  .  com
 *
 * @param file file to import from
 * @return imported data
 */
private ImageStack importMRC(String path) {
    BufferedImageReader r = new BufferedImageReader();

    try {
        r.setId(path);
        final Dimension3D dim = new Dimension3D(r.getSizeX(), r.getSizeY(), r.getImageCount());
        List<PatternImage> images = new ArrayList<>(dim.getDepth());

        if (p != null) {
            p.switchToDeterminate(dim.getDepth());
        }

        for (int i = 0; i < dim.getDepth(); i++) {
            Mat mat = new Mat(dim.getHeight(), dim.getWidth(), CvType.CV_8UC1);
            mat.put(0, 0, r.openBytes(i));
            images.add(new PatternImage(i, mat));
            updateProgress(i);
        }

        r.close();
        return new ImageStack(images);

    } catch (FormatException | IOException ex) {
        Logger.getLogger(PDataImporterFactory.class.getName()).log(Level.SEVERE, null, ex);
    }
    return null;
}

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From source file:org.surmon.pattern.importer.impl.TIFFImporter.java

@Override
public ImageStack importData(String path) {

    //get image reader for tiff
    final BufferedImageReader reader = new BufferedImageReader();
    PatternImage[] images = null;// www . j  ava  2  s.c  o  m
    try {
        reader.setId(path);

        int x = reader.getSizeX();
        int y = reader.getSizeY();
        int t = reader.getImageCount();
        images = new PatternImage[t];

        if (p != null) {
            p.switchToDeterminate(t);
        }

        for (int i = 0; i < t; i++) {
            Mat mat = new Mat(y, x, CvType.CV_8UC1);
            mat.put(0, 0, reader.openBytes(i));
            images[i] = new PatternImage(i, mat);
            updateProgress(i);
        }

        System.out.println("Images loaded");
        reader.close();
    } catch (FormatException | IOException ex) {
        Exceptions.printStackTrace(ex);
    }

    return new ImageStack(Arrays.asList(images));
}

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From source file:org.usfirst.frc.team2084.CMonster2016.vision.CoordinateMath.java

License:Open Source License

/**
 * Rotate a point around the x axis and store the result in another point.
 * //ww  w.  ja  v a2 s  .  c o m
 * @param point the point to rotate
 * @param destPoint the output point
 * @param angle the angle to rotate (in radians)
 */
public static void rotateX(Mat point, Mat destPoint, double angle) {
    Mat rotateMat = Mat.eye(3, 3, point.type());

    double c = Math.cos(angle);
    double s = Math.sin(angle);

    rotateMat.put(1, 1, c);
    rotateMat.put(1, 2, -s);
    rotateMat.put(2, 1, s);
    rotateMat.put(2, 2, c);

    matMult(rotateMat, point, destPoint);
}

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From source file:org.usfirst.frc.team2084.CMonster2016.vision.CoordinateMath.java

License:Open Source License

/**
 * Rotate a point around the y axis and store the result in another point.
 * /* w  w w .j a v a2  s.  c  o  m*/
 * @param point the point to rotate
 * @param destPoint the output point
 * @param angle the angle to rotate (in radians)
 */
public static void rotateY(Mat point, Mat destPoint, double angle) {
    Mat rotateMat = Mat.eye(3, 3, point.type());

    double c = Math.cos(angle);
    double s = Math.sin(angle);

    rotateMat.put(0, 0, c);
    rotateMat.put(0, 2, s);
    rotateMat.put(2, 0, -s);
    rotateMat.put(2, 2, c);

    matMult(rotateMat, point, destPoint);
}

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From source file:org.usfirst.frc.team2084.CMonster2016.vision.CoordinateMath.java

License:Open Source License

/**
 * Rotate a point around the z axis and store the result in another point.
 * /* w  w  w. java 2 s  .c om*/
 * @param point the point to rotate
 * @param destPoint the output point
 * @param angle the angle to rotate (in radians)
 */
public static void rotateZ(Mat point, Mat destPoint, double angle) {
    Mat rotateMat = Mat.eye(3, 3, point.type());

    double c = Math.cos(angle);
    double s = Math.sin(angle);

    rotateMat.put(0, 0, c);
    rotateMat.put(0, 1, -s);
    rotateMat.put(1, 0, s);
    rotateMat.put(1, 1, c);

    matMult(rotateMat, point, destPoint);
}

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From source file:org.usfirst.frc.team2084.CMonster2016.vision.CoordinateMath.java

License:Open Source License

/**
 * Translate a point in space./*from  w  w  w .  j  a  v a2 s . com*/
 * 
 * @param vec the input point
 * @param destVec the output point
 * @param x the x translation
 * @param y the y translation
 * @param z the z translation
 */
public static void translate(Mat vec, Mat destVec, double x, double y, double z) {
    Mat translateVec = new Mat(3, 1, CvType.CV_64FC1);
    translateVec.put(0, 0, x);
    translateVec.put(1, 0, y);
    translateVec.put(2, 0, z);

    Core.add(vec, translateVec, destVec);
}

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From source file:org.usfirst.frc.team2084.CMonster2016.vision.HighGoalProcessor.java

License:Open Source License

@Override
public void preProcess(Mat image) {
    // Update camera exposure
    if (camera != null) {
        camera.setExposure(VisionParameters.getAimingExposure());
        camera.setAutoExposure(VisionParameters.getAimingAutoExposure());
    }// w  ww.  j a  va 2s  . co  m

    // Save a snapshot if requested
    if (VisionParameters.shouldTakeSnapshot()) {
        String path = System.getProperty("user.home") + "/vision_snapshots/" + System.currentTimeMillis()
                + ".png";
        if (!Imgcodecs.imwrite(path, image)) {
            System.err.println("Could not save snapshot to: " + path);
        }
    }

    // Encode the estimated image timestamp into the top left corner
    byte[] timestamp = new byte[9];
    Utils.longToBytes((long) ((Timer.getFPGATimestamp() - ESTIMATED_CAMERA_LATENCY) * 1000), timestamp);
    image.put(0, 0, timestamp);
}

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From source file:org.usfirst.frc.team2084.CMonster2016.vision.Target.java

License:Open Source License

private static Mat matFrom2DArray(double[][] array) {
    Mat mat = new Mat(array.length, array[0].length, CvType.CV_64F);

    for (int r = 0; r < array.length; r++) {
        mat.put(r, 0, array[r]);
    }//from  w  w w  .  ja v  a  2s  . c  o  m
    return mat;
}

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