Examples with ConfigLineRansac boofcv.factory.feature.detect.line.ConfigLineRansac used on opensource projects

Example 1 with ConfigLineRansac

use of boofcv.factory.feature.detect.line.ConfigLineRansac in project BoofCV by lessthanoptimal.

the class BenchmarkDetectLines method setup.

@Setup
public void setup() {
    BoofConcurrency.USE_CONCURRENT = concurrent;
    // fill it with a few rectangles so that there are some lines
    input.reshape(width, width);
    GImageMiscOps.fill(input, 0);
    GImageMiscOps.fillRectangle(input, 100, 10, 15, width / 4, width / 4);
    GImageMiscOps.fillRectangle(input, 100, width / 2, width / 2 + 15, width / 4, width / 4);
    GImageMiscOps.fillRectangle(input, 100, width / 2, 0, width / 8, width / 8);
    GImageMiscOps.addUniform(input, new Random(234), 0, 20);
    houghFoot = FactoryDetectLine.houghLineFoot(null, null, imageType);
    houghPolar = FactoryDetectLine.houghLinePolar((ConfigHoughGradient) null, null, imageType);
    houghFootSub = FactoryDetectLine.houghLineFootSub(null, imageType);
    detectorSegment = FactoryDetectLine.lineRansac(new ConfigLineRansac(40, 30, 2.36, true), imageType);
}

Example 2 with ConfigLineRansac

use of boofcv.factory.feature.detect.line.ConfigLineRansac in project BoofCV by lessthanoptimal.

the class DetectLineApp method declareDetector.

private void declareDetector() {
    synchronized (lockDetector) {
        lineDetector = null;
        segmentDetector = null;
        ConfigHoughGradient configGradient = new ConfigHoughGradient();
        configGradient.maxLines = controls.maxLines;
        switch(controls.whichAlg) {
            case 0:
                lineDetector = FactoryDetectLine.houghLinePolar(configGradient, null, imageType);
                break;
            case 1:
                lineDetector = FactoryDetectLine.houghLineFoot(configGradient, null, imageType);
                break;
            case 2:
                lineDetector = FactoryDetectLine.houghLineFootSub(new ConfigHoughFootSubimage(3, 8, 5, edgeThreshold, controls.maxLines, 2, 2), imageType);
                break;
            case 3:
                segmentDetector = FactoryDetectLine.lineRansac(new ConfigLineRansac(40, 30, 2.36, true), imageType);
                break;
        }
    }
}

Example 3 with ConfigLineRansac

use of boofcv.factory.feature.detect.line.ConfigLineRansac in project MtgDesktopCompanion by nicho92.

the class RadiusAreaStrat method lineRansac.

/**
 * Derived from the BoofCV factory source code, but exposes
 * the RANSAC iterations and the max lines per grid region
 */
private DetectLineSegmentsGridRansac<GrayU8, GrayS16> lineRansac(ConfigLineRansac config, int maxIter, int maxLines) {
    if (config == null)
        config = new ConfigLineRansac();
    ImageGradient<GrayU8, GrayS16> gradient = FactoryDerivative.sobel(GrayU8.class, GrayS16.class);
    var manager = new ModelManagerLinePolar2D_F32();
    var distance = new GridLineModelDistance((float) config.thresholdAngle);
    var fitter = new GridLineModelFitter((float) config.thresholdAngle);
    ModelMatcher<LinePolar2D_F32, Edgel> matcher = new Ransac<>(123123, manager, fitter, distance, maxIter, 0.25);
    GridRansacLineDetector<GrayS16> alg = new ImplGridRansacLineDetector_S16(config.regionSize, maxLines, matcher);
    ConnectLinesGrid connect = null;
    if (config.connectLines)
        connect = new ConnectLinesGrid(Math.PI * 0.01, 1, 8);
    return new DetectLineSegmentsGridRansac<>(alg, connect, gradient, config.thresholdEdge, GrayU8.class, GrayS16.class);
}

Example 4 with ConfigLineRansac

use of boofcv.factory.feature.detect.line.ConfigLineRansac in project BoofCV by lessthanoptimal.

the class ExampleLineDetection method detectLineSegments.

/**
 * Detects segments inside the image
 *
 * @param image Input image.
 * @param imageType Type of image processed by line detector.
 */
public static <T extends ImageGray<T>, D extends ImageGray<D>> void detectLineSegments(BufferedImage image, Class<T> imageType) {
    // convert the line into a single band image
    T input = ConvertBufferedImage.convertFromSingle(image, null, imageType);
    // Comment/uncomment to try a different type of line detector
    DetectLineSegment<T> detector = FactoryDetectLine.lineRansac(new ConfigLineRansac(40, 30, 2.36, true), imageType);
    List<LineSegment2D_F32> found = detector.detect(input);
    // display the results
    ImageLinePanel gui = new ImageLinePanel();
    gui.setImage(image);
    gui.setLineSegments(found);
    gui.setPreferredSize(new Dimension(image.getWidth(), image.getHeight()));
    listPanel.addItem(gui, "Line Segments");
}