org.opencv.core.CvType Java Exaples

Source File: SimpleSampleTests.java From super-cloudops with Apache License 2.0

7 votes

@Test
public void test1() {
	System.out.println("Welcome to OpenCV " + Core.VERSION);

	Mat m = new Mat(5, 10, CvType.CV_8UC1, new Scalar(0));
	System.out.println("OpenCV Mat: " + m);
	Mat mr1 = m.row(1);
	mr1.setTo(new Scalar(1));

	Mat mc5 = m.col(5);
	mc5.setTo(new Scalar(5));
	System.out.println("OpenCV Mat data:\n" + m.dump());
}

Source File: Converters.java From MOAAP with MIT License

6 votes

public static void Mat_to_vector_Mat(Mat m, List<Mat> mats) {
    if (mats == null)
        throw new java.lang.IllegalArgumentException("mats == null");
    int count = m.rows();
    if (CvType.CV_32SC2 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_32SC2 != m.type() ||  m.cols()!=1\n" + m);

    mats.clear();
    int[] buff = new int[count * 2];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        long addr = (((long) buff[i * 2]) << 32) | (((long) buff[i * 2 + 1]) & 0xffffffffL);
        mats.add(new Mat(addr));
    }
}

Source File: Converters.java From MOAAP with MIT License

6 votes

public static void Mat_to_vector_KeyPoint(Mat m, List<KeyPoint> kps) {
    if (kps == null)
        throw new java.lang.IllegalArgumentException("Output List can't be null");
    int count = m.rows();
    if (CvType.CV_64FC(7) != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_64FC(7) != m.type() ||  m.cols()!=1\n" + m);

    kps.clear();
    double[] buff = new double[7 * count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        kps.add(new KeyPoint((float) buff[7 * i], (float) buff[7 * i + 1], (float) buff[7 * i + 2], (float) buff[7 * i + 3],
                (float) buff[7 * i + 4], (int) buff[7 * i + 5], (int) buff[7 * i + 6]));
    }
}

Source File: Converters.java From marvel with MIT License

6 votes

public static void Mat_to_vector_KeyPoint(Mat m, List<KeyPoint> kps) {
    if (kps == null)
        throw new java.lang.IllegalArgumentException("Output List can't be null");
    int count = m.rows();
    if (CvType.CV_64FC(7) != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_64FC(7) != m.type() ||  m.cols()!=1\n" + m);

    kps.clear();
    double[] buff = new double[7 * count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        kps.add(new KeyPoint((float) buff[7 * i], (float) buff[7 * i + 1], (float) buff[7 * i + 2], (float) buff[7 * i + 3],
                (float) buff[7 * i + 4], (int) buff[7 * i + 5], (int) buff[7 * i + 6]));
    }
}

Source File: AutoCalibrationManager.java From ShootOFF with GNU General Public License v3.0

6 votes

public Mat preProcessFrame(final Mat mat) {
	if (mat.channels() == 1) return mat.clone();

	final Mat newMat = new Mat(mat.rows(), mat.cols(), CvType.CV_8UC1);

	Imgproc.cvtColor(mat, newMat, Imgproc.COLOR_BGR2GRAY);

	if (logger.isTraceEnabled()) {
		String filename = String.format("grayscale.png");
		final File file = new File(filename);
		filename = file.toString();
		Highgui.imwrite(filename, newMat);
	}

	return newMat;
}

Source File: PyramidActivity.java From MOAAP with MIT License

6 votes

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent imageReturnedIntent) {
    super.onActivityResult(requestCode, resultCode, imageReturnedIntent);

    switch(requestCode) {
        case SELECT_PHOTO:
            if(resultCode == RESULT_OK){
                try {
                    final Uri imageUri = imageReturnedIntent.getData();
                    final InputStream imageStream = getContentResolver().openInputStream(imageUri);
                    final Bitmap selectedImage = BitmapFactory.decodeStream(imageStream);
                    src = new Mat(selectedImage.getHeight(), selectedImage.getWidth(), CvType.CV_8UC4);
                    Utils.bitmapToMat(selectedImage, src);
                    srcSelected = true;
                    bGaussianPyrUp.setEnabled(true);
                    bGaussianPyrDown.setEnabled(true);
                    bLaplacianPyr.setEnabled(true);
                } catch (FileNotFoundException e) {
                    e.printStackTrace();
                }
            }
            break;
    }
}

Source File: Converters.java From faceswap with Apache License 2.0

6 votes

public static void Mat_to_vector_Mat(Mat m, List<Mat> mats) {
    if (mats == null)
        throw new java.lang.IllegalArgumentException("mats == null");
    int count = m.rows();
    if (CvType.CV_32SC2 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_32SC2 != m.type() ||  m.cols()!=1\n" + m);

    mats.clear();
    int[] buff = new int[count * 2];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        long addr = (((long) buff[i * 2]) << 32) | (((long) buff[i * 2 + 1]) & 0xffffffffL);
        mats.add(new Mat(addr));
    }
}

Source File: Converters.java From ml-authentication with Apache License 2.0

6 votes

public static void Mat_to_vector_Mat(Mat m, List<Mat> mats) {
    if (mats == null)
        throw new java.lang.IllegalArgumentException("mats == null");
    int count = m.rows();
    if (CvType.CV_32SC2 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_32SC2 != m.type() ||  m.cols()!=1\n" + m);

    mats.clear();
    int[] buff = new int[count * 2];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        long addr = (((long) buff[i * 2]) << 32) | (((long) buff[i * 2 + 1]) & 0xffffffffL);
        mats.add(new Mat(addr));
    }
}

Source File: Converters.java From SmartPaperScan with Apache License 2.0

6 votes

public static void Mat_to_vector_Mat(Mat m, List<Mat> mats) {
    if (mats == null)
        throw new java.lang.IllegalArgumentException("mats == null");
    int count = m.rows();
    if (CvType.CV_32SC2 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_32SC2 != m.type() ||  m.cols()!=1\n" + m);

    mats.clear();
    int[] buff = new int[count * 2];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        long addr = (((long) buff[i * 2]) << 32) | (((long) buff[i * 2 + 1]) & 0xffffffffL);
        mats.add(new Mat(addr));
    }
}

Source File: Converters.java From android-object-distance with Apache License 2.0

6 votes

public static void Mat_to_vector_Mat(Mat m, List<Mat> mats) {
    if (mats == null)
        throw new IllegalArgumentException("mats == null");
    int count = m.rows();
    if (CvType.CV_32SC2 != m.type() || m.cols() != 1)
        throw new IllegalArgumentException(
                "CvType.CV_32SC2 != m.type() ||  m.cols()!=1\n" + m);

    mats.clear();
    int[] buff = new int[count * 2];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        long addr = (((long) buff[i * 2]) << 32) | (((long) buff[i * 2 + 1]) & 0xffffffffL);
        mats.add(new Mat(addr));
    }
}

Source File: Converters.java From LPR with Apache License 2.0

6 votes

public static void Mat_to_vector_KeyPoint(Mat m, List<KeyPoint> kps) {
    if (kps == null)
        throw new java.lang.IllegalArgumentException("Output List can't be null");
    int count = m.rows();
    if (CvType.CV_64FC(7) != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_64FC(7) != m.type() ||  m.cols()!=1\n" + m);

    kps.clear();
    double[] buff = new double[7 * count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        kps.add(new KeyPoint((float) buff[7 * i], (float) buff[7 * i + 1], (float) buff[7 * i + 2], (float) buff[7 * i + 3],
                (float) buff[7 * i + 4], (int) buff[7 * i + 5], (int) buff[7 * i + 6]));
    }
}

Source File: Converters.java From FaceDetectDemo with Apache License 2.0

6 votes

public static void Mat_to_vector_Mat(Mat m, List<Mat> mats) {
    if (mats == null)
        throw new java.lang.IllegalArgumentException("mats == null");
    int count = m.rows();
    if (CvType.CV_32SC2 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_32SC2 != m.type() ||  m.cols()!=1\n" + m);

    mats.clear();
    int[] buff = new int[count * 2];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        long addr = (((long) buff[i * 2]) << 32) | (((long) buff[i * 2 + 1]) & 0xffffffffL);
        mats.add(new Mat(addr));
    }
}

Source File: RemoveBackScatter.java From OptimizedImageEnhance with MIT License

6 votes

public static Mat enhance (Mat image, int blkSize, int patchSize, double lambda, double gamma, int r, double eps, int level) {
	image.convertTo(image, CvType.CV_32F);
	// image decomposition
	Mat[] decomposed = ImgDecompose.illuRefDecompose(image);
	Mat AL = decomposed[0];
	Mat RL = decomposed[1];
	// For RL
	RL = Filters.SimplestColorBalance(RL, colorBalanceRatio);
	// Calculate the air-light
	double[] airlight = AirlightEstimate.estimate(AL, blkSize);
	// estimate the transmission map
	double fTrans = 0.6;
	Mat trans = TransmissionEstimate.transEstimate(AL, patchSize, airlight, lambda, fTrans, r, eps, gamma);
	AL = dehazeProcess(AL, trans, airlight);
	// calculate the weight
	Mat w1 = calWeight(AL);
	Mat w2 = calWeight(RL);
	// Fuse
	return pyramidFuse(w1, w2, AL, RL, level);
}

Source File: Converters.java From effective_android_sample with Apache License 2.0

6 votes

public static void Mat_to_vector_KeyPoint(Mat m, List<KeyPoint> kps) {
    if (kps == null)
        throw new java.lang.IllegalArgumentException("Output List can't be null");
    int count = m.rows();
    if (CvType.CV_64FC(7) != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_64FC(7) != m.type() ||  m.cols()!=1\n" + m);

    kps.clear();
    double[] buff = new double[7 * count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        kps.add(new KeyPoint((float) buff[7 * i], (float) buff[7 * i + 1], (float) buff[7 * i + 2], (float) buff[7 * i + 3],
                (float) buff[7 * i + 4], (int) buff[7 * i + 5], (int) buff[7 * i + 6]));
    }
}

Source File: MainActivity.java From SimpleDocumentScanner-Android with MIT License

6 votes

/**
 * Find the largest 4 point contour in the given Mat.
 *
 * @param src A valid Mat
 * @return The largest contour as a Mat
 */
private MatOfPoint2f findLargestContour(Mat src) {
    List<MatOfPoint> contours = new ArrayList<>();
    Imgproc.findContours(src, contours, new Mat(), Imgproc.RETR_LIST, Imgproc.CHAIN_APPROX_SIMPLE);

    // Get the 5 largest contours
    Collections.sort(contours, new Comparator<MatOfPoint>() {
        public int compare(MatOfPoint o1, MatOfPoint o2) {
            double area1 = Imgproc.contourArea(o1);
            double area2 = Imgproc.contourArea(o2);
            return (int) (area2 - area1);
        }
    });
    if (contours.size() > 5) contours.subList(4, contours.size() - 1).clear();

    MatOfPoint2f largest = null;
    for (MatOfPoint contour : contours) {
        MatOfPoint2f approx = new MatOfPoint2f();
        MatOfPoint2f c = new MatOfPoint2f();
        contour.convertTo(c, CvType.CV_32FC2);
        Imgproc.approxPolyDP(c, approx, Imgproc.arcLength(c, true) * 0.02, true);

        if (approx.total() == 4 && Imgproc.contourArea(contour) > 150) {
            // the contour has 4 points, it's valid
            largest = approx;
            break;
        }
    }

    return largest;
}

Source File: Utils.java From SmartPaperScan with Apache License 2.0

6 votes

public static Mat loadResource(Context context, int resourceId, int flags) throws IOException
{
    InputStream is = context.getResources().openRawResource(resourceId);
    ByteArrayOutputStream os = new ByteArrayOutputStream(is.available());

    byte[] buffer = new byte[4096];
    int bytesRead;
    while ((bytesRead = is.read(buffer)) != -1) {
        os.write(buffer, 0, bytesRead);
    }
    is.close();

    Mat encoded = new Mat(1, os.size(), CvType.CV_8U);
    encoded.put(0, 0, os.toByteArray());
    os.close();

    Mat decoded = Imgcodecs.imdecode(encoded, flags);
    encoded.release();

    return decoded;
}

Source File: OptimizedContrastEnhanceExample.java From OptimizedImageEnhance with MIT License

5 votes

public static void main (String[] args) {
    String imgPath = "src/main/resources/haze_images/canon_2.jpg";
    Mat image = Imgcodecs.imread(imgPath, Imgcodecs.CV_LOAD_IMAGE_COLOR);
    new ImShow("org-image").showImage(image);
    Mat result = OptimizedContrastEnhance.enhance(image, blkSize, patchSize, lambda, eps, krnlSize);
    result.convertTo(result, CvType.CV_8UC1);
    new ImShow("dehaze-image").showImage(result);
}

Source File: Converters.java From MOAAP with MIT License

5 votes

public static void Mat_to_vector_int(Mat m, List<Integer> is) {
    if (is == null)
        throw new java.lang.IllegalArgumentException("is == null");
    int count = m.rows();
    if (CvType.CV_32SC1 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_32SC1 != m.type() ||  m.cols()!=1\n" + m);

    is.clear();
    int[] buff = new int[count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        is.add(buff[i]);
    }
}

Source File: Converters.java From Document-Scanner with GNU General Public License v3.0

5 votes

public static void Mat_to_vector_int(Mat m, List<Integer> is) {
    if (is == null)
        throw new java.lang.IllegalArgumentException("is == null");
    int count = m.rows();
    if (CvType.CV_32SC1 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_32SC1 != m.type() ||  m.cols()!=1\n" + m);

    is.clear();
    int[] buff = new int[count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        is.add(buff[i]);
    }
}

Source File: Converters.java From MOAAP with MIT License

5 votes

public static void Mat_to_vector_uchar(Mat m, List<Byte> us) {
    if (us == null)
        throw new java.lang.IllegalArgumentException("Output List can't be null");
    int count = m.rows();
    if (CvType.CV_8UC1 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_8UC1 != m.type() ||  m.cols()!=1\n" + m);

    us.clear();
    byte[] buff = new byte[count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        us.add(buff[i]);
    }
}

Source File: Converters.java From LPR with Apache License 2.0

5 votes

public static void Mat_to_vector_double(Mat m, List<Double> ds) {
    if (ds == null)
        throw new java.lang.IllegalArgumentException("ds == null");
    int count = m.rows();
    if (CvType.CV_64FC1 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_64FC1 != m.type() ||  m.cols()!=1\n" + m);

    ds.clear();
    double[] buff = new double[count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        ds.add(buff[i]);
    }
}

Source File: Converters.java From Camdroid with Apache License 2.0

5 votes

public static void Mat_to_vector_float(Mat m, List<Float> fs) {
    if (fs == null)
        throw new java.lang.IllegalArgumentException("fs == null");
    int count = m.rows();
    if (CvType.CV_32FC1 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_32FC1 != m.type() ||  m.cols()!=1\n" + m);

    fs.clear();
    float[] buff = new float[count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        fs.add(buff[i]);
    }
}

Source File: Converters.java From MOAAP with MIT License

5 votes

public static void Mat_to_vector_Rect(Mat m, List<Rect> rs) {
    if (rs == null)
        throw new java.lang.IllegalArgumentException("rs == null");
    int count = m.rows();
    if (CvType.CV_32SC4 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_32SC4 != m.type() ||  m.rows()!=1\n" + m);

    rs.clear();
    int[] buff = new int[4 * count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        rs.add(new Rect(buff[4 * i], buff[4 * i + 1], buff[4 * i + 2], buff[4 * i + 3]));
    }
}

Source File: Converters.java From Document-Scanner with GNU General Public License v3.0

5 votes

public static void Mat_to_vector_Rect(Mat m, List<Rect> rs) {
    if (rs == null)
        throw new java.lang.IllegalArgumentException("rs == null");
    int count = m.rows();
    if (CvType.CV_32SC4 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_32SC4 != m.type() ||  m.rows()!=1\n" + m);

    rs.clear();
    int[] buff = new int[4 * count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        rs.add(new Rect(buff[4 * i], buff[4 * i + 1], buff[4 * i + 2], buff[4 * i + 3]));
    }
}

Source File: Converters.java From Machine-Learning-Projects-for-Mobile-Applications with MIT License

5 votes

public static void Mat_to_vector_DMatch(Mat m, List<DMatch> matches) {
    if (matches == null)
        throw new java.lang.IllegalArgumentException("Output List can't be null");
    int count = m.rows();
    if (CvType.CV_64FC4 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_64FC4 != m.type() ||  m.cols()!=1\n" + m);

    matches.clear();
    double[] buff = new double[4 * count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        matches.add(new DMatch((int) buff[4 * i], (int) buff[4 * i + 1], (int) buff[4 * i + 2], (float) buff[4 * i + 3]));
    }
}

Source File: Converters.java From OpenCV-AndroidSamples with MIT License

5 votes

public static void Mat_to_vector_char(Mat m, List<Byte> bs) {
    if (bs == null)
        throw new java.lang.IllegalArgumentException("Output List can't be null");
    int count = m.rows();
    if (CvType.CV_8SC1 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_8SC1 != m.type() ||  m.cols()!=1\n" + m);

    bs.clear();
    byte[] buff = new byte[count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        bs.add(buff[i]);
    }
}

Source File: Converters.java From sudokufx with Apache License 2.0

5 votes

public static void Mat_to_vector_DMatch(Mat m, List<DMatch> matches) {
    if (matches == null)
        throw new IllegalArgumentException("Output List can't be null");
    int count = m.rows();
    if (CvType.CV_64FC4 != m.type() || m.cols() != 1)
        throw new IllegalArgumentException(
                "CvType.CV_64FC4 != m.type() ||  m.cols()!=1\n" + m);

    matches.clear();
    double[] buff = new double[4 * count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        matches.add(new DMatch((int) buff[4 * i], (int) buff[4 * i + 1], (int) buff[4 * i + 2], (float) buff[4 * i + 3]));
    }
}

Source File: Converters.java From OpenCV-Android-Object-Detection with MIT License

5 votes

public static void Mat_to_vector_int(Mat m, List<Integer> is) {
    if (is == null)
        throw new java.lang.IllegalArgumentException("is == null");
    int count = m.rows();
    if (CvType.CV_32SC1 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_32SC1 != m.type() ||  m.cols()!=1\n" + m);

    is.clear();
    int[] buff = new int[count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        is.add(buff[i]);
    }
}

Source File: Converters.java From FtcSamples with MIT License

5 votes

public static void Mat_to_vector_double(Mat m, List<Double> ds) {
    if (ds == null)
        throw new java.lang.IllegalArgumentException("ds == null");
    int count = m.rows();
    if (CvType.CV_64FC1 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_64FC1 != m.type() ||  m.cols()!=1\n" + m);

    ds.clear();
    double[] buff = new double[count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        ds.add(buff[i]);
    }
}

Source File: Converters.java From OpenCV-android with Apache License 2.0

5 votes

public static void Mat_to_vector_double(Mat m, List<Double> ds) {
    if (ds == null)
        throw new java.lang.IllegalArgumentException("ds == null");
    int count = m.rows();
    if (CvType.CV_64FC1 != m.type() || m.cols() != 1)
        throw new java.lang.IllegalArgumentException(
                "CvType.CV_64FC1 != m.type() ||  m.cols()!=1\n" + m);

    ds.clear();
    double[] buff = new double[count];
    m.get(0, 0, buff);
    for (int i = 0; i < count; i++) {
        ds.add(buff[i]);
    }
}

org.opencv.core.CvType Java Examples