Examples with Size org.opencv.core.Size used on opensource projects

Example 11 with Size

use of org.opencv.core.Size in project Relic_Main by TeamOverdrive.

the class LeviColorFilter method process.

@Override
public void process(Mat input, Mat mask) {
    channels = new ArrayList<>();
    switch(color) {
        case RED:
            if (threshold == -1) {
                threshold = 164;
            }
            Imgproc.cvtColor(input, input, Imgproc.COLOR_RGB2Lab);
            Imgproc.GaussianBlur(input, input, new Size(3, 3), 0);
            Core.split(input, channels);
            Imgproc.threshold(channels.get(1), mask, threshold, 255, Imgproc.THRESH_BINARY);
            break;
        case BLUE:
            if (threshold == -1) {
                threshold = 145;
            }
            Imgproc.cvtColor(input, input, Imgproc.COLOR_RGB2YUV);
            Imgproc.GaussianBlur(input, input, new Size(3, 3), 0);
            Core.split(input, channels);
            Imgproc.threshold(channels.get(1), mask, threshold, 255, Imgproc.THRESH_BINARY);
            break;
        case YELLOW:
            if (threshold == -1) {
                threshold = 95;
            }
            Imgproc.cvtColor(input, input, Imgproc.COLOR_RGB2YUV);
            Imgproc.GaussianBlur(input, input, new Size(3, 3), 0);
            Core.split(input, channels);
            Imgproc.threshold(channels.get(1), mask, threshold, 255, Imgproc.THRESH_BINARY_INV);
            break;
    }
    for (int i = 0; i < channels.size(); i++) {
        channels.get(i).release();
    }
    input.release();
}

Example 12 with Size

use of org.opencv.core.Size in project Relic_Main by TeamOverdrive.

the class Lines method getOpenCvLines.

public static List<Line> getOpenCvLines(Mat original, int scale, double minLength) {
    Mat raw = new Mat();
    Imgproc.resize(original.clone(), raw, new Size((int) (original.size().width / scale), (int) (original.size().height / scale)));
    if (raw.channels() > 1) {
        Imgproc.cvtColor(raw, raw, Imgproc.COLOR_RGB2GRAY);
    }
    Imgproc.equalizeHist(raw, raw);
    Imgproc.blur(raw, raw, new Size(3, 3));
    // Line Segment Detection 2
    Mat linesM1 = new Mat();
    // LineSegmentDetector detector = Imgproc.createLineSegmentDetector(Imgproc.LSD_REFINE_ADV, 0.6, 0.3, 2.6, 22.5, 0, 0.3,256);
    // LineSegmentDetector detector = Imgproc.createLineSegmentDetector(Imgproc.LSD_REFINE_STD, 0.5, 0.4,2.0, 19.5, 0, 0.6, 32);
    // Reference for final glyph detection
    detector.detect(raw, linesM1);
    ArrayList<Line> lines = new ArrayList<Line>();
    for (int x = 0; x < linesM1.rows(); x++) {
        double[] vec = linesM1.get(x, 0);
        Point start = new Point(vec[0], vec[1]);
        Point end = new Point(vec[2], vec[3]);
        Line line = new Line(start, end);
        line = new Line(new Point((int) line.x1 * scale, (int) line.y1 * scale), new Point((int) line.x2 * scale, (int) line.y2 * scale));
        if (line.length() > minLength)
            lines.add(line);
    }
    raw.release();
    linesM1.release();
    return lines;
}

Example 13 with Size

use of org.opencv.core.Size in project java-client by appium.

the class ScreenshotState method resizeFirstMatrixToSecondMatrixResolution.

private static Mat resizeFirstMatrixToSecondMatrixResolution(Mat first, Mat second) {
    if (first.width() != second.width() || first.height() != second.height()) {
        final Mat result = new Mat();
        final Size sz = new Size(second.width(), second.height());
        Imgproc.resize(first, result, sz);
        return result;
    }
    return first;
}

Example 14 with Size

use of org.opencv.core.Size in project Auto.js by hyb1996.

the class TemplateMatching method getPyramidDownAtLevel.

private static Mat getPyramidDownAtLevel(Mat m, int level) {
    if (level == 0) {
        return m;
    }
    int cols = m.cols();
    int rows = m.rows();
    for (int i = 0; i < level; i++) {
        cols = (cols + 1) / 2;
        rows = (rows + 1) / 2;
    }
    Mat r = new Mat(rows, cols, m.type());
    Imgproc.resize(m, r, new Size(cols, rows));
    return r;
}

Example 15 with Size

use of org.opencv.core.Size in project Frankenstein by olir.

the class MovieProcessor method configureOutput.

// fourcc = 0x00000021; // openh264 - problem with ffmpeg
// fourcc = VideoWriter.fourcc('X','2','6','4'); // -- MP4
// fourcc = VideoWriter.fourcc('M','R','L','E'); // -- Motion JPEG
// (nativ)
// fourcc = VideoWriter.fourcc('P','I','M','1'); // - MPEG-1 based
// codec - bad audio
// fourcc = VideoWriter.fourcc('M','S','V','C'); // + Video For
// Windows - bad Video quality
public boolean configureOutput(ProcessingListener l) {
    if (configuration.doOutput) {
        outputVideo.open(tempVideoFile.getAbsolutePath(), fourcc, movie_fps, new Size(movie_w, movie_h), true);
        System.out.println("ConfigureOutput size=" + new Size(movie_w, movie_h) + " fps=" + movie_fps);
        if (!outputVideo.isOpened()) {
            System.err.println("Warning: VideoWriter - Could not open the output video for write. (MovieProcessor)");
        // return false;
        }
    }
    return true;
}