當前位置: 首頁>>代碼示例>>Java>>正文

Java Mat.cols方法代碼示例

本文整理匯總了Java中org.opencv.core.Mat.cols方法的典型用法代碼示例。如果您正苦於以下問題：Java Mat.cols方法的具體用法？Java Mat.cols怎麽用？Java Mat.cols使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類org.opencv.core.Mat的用法示例。


在下文中一共展示了Mat.cols方法的12個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: Mat_to_vector_KeyPoint

import org.opencv.core.Mat; //導入方法依賴的package包/類
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]));
    }
}
開發者ID:johnhany，項目名稱:MOAAP，代碼行數:17，代碼來源:Converters.java

示例2: Mat_to_vector_Mat

import org.opencv.core.Mat; //導入方法依賴的package包/類
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));
    }
}
開發者ID:hollaus，項目名稱:TinyPlanetMaker，代碼行數:17，代碼來源:Converters.java

示例3: Mat_to_vector_Rect

import org.opencv.core.Mat; //導入方法依賴的package包/類
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]));
    }
}
開發者ID:spacejake，項目名稱:android-age-estimator，代碼行數:16，代碼來源:Converters.java

示例4: toBufferedImage

import org.opencv.core.Mat; //導入方法依賴的package包/類
private Image toBufferedImage(Mat matrix) {
	int type = BufferedImage.TYPE_BYTE_GRAY;
	if (matrix.channels() > 1) {
		type = BufferedImage.TYPE_3BYTE_BGR;
	}
	int bufferSize = matrix.channels() * matrix.cols() * matrix.rows();
	byte[] buffer = new byte[bufferSize];
	matrix.get(0, 0, buffer); // 獲取所有的像素點
	
	BufferedImage image = new BufferedImage(matrix.cols(), matrix.rows(), type);
	final byte[] targetPixels = ((DataBufferByte) image.getRaster().getDataBuffer()).getData();
	System.arraycopy(buffer, 0, targetPixels, 0, buffer.length);
	return image;
}
開發者ID:IaHehe，項目名稱:classchecks，代碼行數:15，代碼來源:ImageGui.java

示例5: Mat_to_vector_int

import org.opencv.core.Mat; //導入方法依賴的package包/類
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]);
    }
}
開發者ID:raulh82vlc，項目名稱:Image-Detection-Samples，代碼行數:16，代碼來源:Converters.java

示例6: HarrisCorner

import org.opencv.core.Mat; //導入方法依賴的package包/類
void HarrisCorner() {
    Mat grayMat = new Mat();
    Mat corners = new Mat();

    //Converting the image to grayscale
    Imgproc.cvtColor(originalMat, grayMat, Imgproc.COLOR_BGR2GRAY);

    Mat tempDst = new Mat();
    //finding contours
    Imgproc.cornerHarris(grayMat, tempDst, 2, 3, 0.04);

    //Normalizing harris corner's output
    Mat tempDstNorm = new Mat();
    Core.normalize(tempDst, tempDstNorm, 0, 255, Core.NORM_MINMAX);
    Core.convertScaleAbs(tempDstNorm, corners);

    //Drawing corners on a new image
    Random r = new Random();
    for (int i = 0; i < tempDstNorm.cols(); i++) {
        for (int j = 0; j < tempDstNorm.rows(); j++) {
            double[] value = tempDstNorm.get(j, i);
            if (value[0] > 150)
                Imgproc.circle(corners, new Point(i, j), 5, new Scalar(r.nextInt(255)), 2);
        }
    }

    //Converting Mat back to Bitmap
    Utils.matToBitmap(corners, currentBitmap);
    imageView.setImageBitmap(currentBitmap);
}
開發者ID:johnhany，項目名稱:MOAAP，代碼行數:31，代碼來源:MainActivity.java

示例7: Mat_to_vector_DMatch

import org.opencv.core.Mat; //導入方法依賴的package包/類
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]));
    }
}
開發者ID:beast，項目名稱:react-native-scan-doc，代碼行數:16，代碼來源:Converters.java

示例8: Mat_to_vector_float

import org.opencv.core.Mat; //導入方法依賴的package包/類
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]);
    }
}
開發者ID:beast，項目名稱:react-native-scan-doc，代碼行數:16，代碼來源:Converters.java

示例9: subspaceProject

import org.opencv.core.Mat; //導入方法依賴的package包/類
public static Mat subspaceProject(Mat W, Mat mean, Mat src) {
	int n = src.rows();
	int d = src.cols();
	Mat X = new Mat();
	Mat Y = new Mat();
	src.convertTo(X, W.type());
	if(!mean.empty()) {
		for(int i = 0; i < n; i ++) {
			Mat r_i = X.row(i);
			Core.subtract(r_i, mean.reshape(1, 1), r_i);
		}
	}
	Core.gemm(X, W, 1.0, new Mat(), 0.0, Y);
	return Y;
}
開發者ID:IaHehe，項目名稱:classchecks，代碼行數:16，代碼來源:Recognition.java

示例10: Mat_to_vector_double

import org.opencv.core.Mat; //導入方法依賴的package包/類
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]);
    }
}
開發者ID:johnhany，項目名稱:MOAAP，代碼行數:16，代碼來源:Converters.java

示例11: Mat_to_vector_DMatch

import org.opencv.core.Mat; //導入方法依賴的package包/類
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]));
    }
}
開發者ID:ykarim，項目名稱:FTC2016，代碼行數:16，代碼來源:Converters.java

示例12: getMedian

import org.opencv.core.Mat; //導入方法依賴的package包/類
public static int getMedian(Mat mat) {

        ArrayList<Mat> listOfMat = new ArrayList<>();
        listOfMat.add(mat);
        MatOfInt channels = new MatOfInt(0);
        Mat mask = new Mat();
        Mat hist = new Mat(256, 1, CvType.CV_8UC1);
        MatOfInt histSize = new MatOfInt(256);
        MatOfFloat ranges = new MatOfFloat(0, 256);

        Imgproc.calcHist(listOfMat, channels, mask, hist, histSize, ranges);

        double t = mat.rows() * mat.cols() / 2;
        double total = 0;
        int med = -1;
        for (int row = 0; row < hist.rows(); row++) {
            double val = hist.get(row, 0)[0];
            if ((total <= t) && (total + val >= t)) {
                med = row;
                break;
            }
            total += val;
        }

//        Log.d(TAG, String.format("getMedian() = %d", med));

        return med;
    }
開發者ID:Deeplocal，項目名稱:android-things-drawbot，代碼行數:29，代碼來源:LineAlgorithm.java


注：本文中的org.opencv.core.Mat.cols方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。