Examples with ConfigGeneralDetector boofcv.abst.feature.detect.interest.ConfigGeneralDetector used on opensource projects

Example 11 with ConfigGeneralDetector

use of boofcv.abst.feature.detect.interest.ConfigGeneralDetector in project narchy by automenta.

the class WebcamTrack method main.

public static void main(String[] args) {
    // tune the tracker for the image size and visual appearance
    ConfigGeneralDetector configDetector = new ConfigGeneralDetector(-1, 8, 1);
    PkltConfig configKlt = new PkltConfig(3, new int[] { 1, 2, 4, 8 });
    PointTracker<ImageFloat32> tracker = FactoryPointTracker.klt(configKlt, configDetector, ImageFloat32.class, null);
    // Open a webcam at a resolution close to 640x480
    Webcam webcam = UtilWebcamCapture.openDefault(640, 480);
    // Create the panel used to display the image and
    ImagePanel gui = new ImagePanel();
    gui.setPreferredSize(webcam.getViewSize());
    ShowImages.showWindow(gui, "KLT Tracker");
    int minimumTracks = 100;
    while (true) {
        BufferedImage image = webcam.getImage();
        ImageFloat32 gray = ConvertBufferedImage.convertFrom(image, (ImageFloat32) null);
        tracker.process(gray);
        List<PointTrack> tracks = tracker.getActiveTracks(null);
        // Spawn tracks if there are too few
        if (tracks.size() < minimumTracks) {
            tracker.spawnTracks();
            tracks = tracker.getActiveTracks(null);
            minimumTracks = tracks.size() / 2;
        }
        // Draw the tracks
        Graphics2D g2 = image.createGraphics();
        for (PointTrack t : tracks) {
            VisualizeFeatures.drawPoint(g2, (int) t.x, (int) t.y, Color.RED);
        }
        gui.setBufferedImageSafe(image);
    }
}

Example 12 with ConfigGeneralDetector

use of boofcv.abst.feature.detect.interest.ConfigGeneralDetector in project BoofCV by lessthanoptimal.

the class FactoryPointTracker method klt.

/**
 * Pyramid KLT feature tracker.
 *
 * @see boofcv.alg.tracker.klt.PyramidKltTracker
 *
 * @param config Config for the tracker. Try PkltConfig.createDefault().
 * @param configExtract Configuration for extracting features
 * @return KLT based tracker.
 */
public static <I extends ImageGray<I>, D extends ImageGray<D>> PointTracker<I> klt(PkltConfig config, ConfigGeneralDetector configExtract, Class<I> imageType, Class<D> derivType) {
    if (derivType == null)
        derivType = GImageDerivativeOps.getDerivativeType(imageType);
    if (config == null) {
        config = new PkltConfig();
    }
    if (configExtract == null) {
        configExtract = new ConfigGeneralDetector();
    }
    GeneralFeatureDetector<I, D> detector = createShiTomasi(configExtract, derivType);
    InterpolateRectangle<I> interpInput = FactoryInterpolation.<I>bilinearRectangle(imageType);
    InterpolateRectangle<D> interpDeriv = FactoryInterpolation.<D>bilinearRectangle(derivType);
    ImageGradient<I, D> gradient = FactoryDerivative.sobel(imageType, derivType);
    PyramidDiscrete<I> pyramid = FactoryPyramid.discreteGaussian(config.pyramidScaling, -1, 2, true, ImageType.single(imageType));
    return new PointTrackerKltPyramid<>(config.config, config.templateRadius, pyramid, detector, gradient, interpInput, interpDeriv, derivType);
}

Example 13 with ConfigGeneralDetector

use of boofcv.abst.feature.detect.interest.ConfigGeneralDetector in project BoofCV by lessthanoptimal.

the class TestDdaManagerDetectDescribePoint method createTracker.

@Override
public PointTracker<GrayF32> createTracker() {
    DescribePointBrief<GrayF32> brief = FactoryDescribePointAlgs.brief(FactoryBriefDefinition.gaussian2(new Random(123), 16, 512), FactoryBlurFilter.gaussian(ImageType.single(GrayF32.class), 0, 4));
    GeneralFeatureDetector<GrayF32, GrayF32> corner = FactoryDetectPoint.createShiTomasi(new ConfigGeneralDetector(100, 2, 0, 0, true), false, GrayF32.class);
    InterestPointDetector<GrayF32> detector = FactoryInterestPoint.wrapPoint(corner, 1, GrayF32.class, GrayF32.class);
    ScoreAssociateHamming_B score = new ScoreAssociateHamming_B();
    AssociateDescription2D<TupleDesc_B> association = new AssociateDescTo2D<>(FactoryAssociation.greedy(score, 400, true));
    DetectDescribeFusion<GrayF32, TupleDesc_B> fused = new DetectDescribeFusion<>(detector, null, new WrapDescribeBrief<>(brief, GrayF32.class));
    DdaManagerDetectDescribePoint<GrayF32, TupleDesc_B> manager;
    manager = new DdaManagerDetectDescribePoint<>(fused);
    DetectDescribeAssociate<GrayF32, TupleDesc_B> tracker = new DetectDescribeAssociate<>(manager, association, false);
    return tracker;
}

Example 14 with ConfigGeneralDetector

use of boofcv.abst.feature.detect.interest.ConfigGeneralDetector in project BoofCV by lessthanoptimal.

the class TestDetectDescribeAssociateTwoPass method createTracker.

@Override
public PointTrackerTwoPass<GrayF32> createTracker() {
    DescribePointBrief<GrayF32> brief = FactoryDescribePointAlgs.brief(FactoryBriefDefinition.gaussian2(new Random(123), 16, 512), FactoryBlurFilter.gaussian(ImageType.single(GrayF32.class), 0, 4));
    GeneralFeatureDetector<GrayF32, GrayF32> corner = FactoryDetectPoint.createShiTomasi(new ConfigGeneralDetector(-1, 2, 0), false, GrayF32.class);
    ScoreAssociateHamming_B score = new ScoreAssociateHamming_B();
    // use an association algorithm which uses the track's pose information
    AssociateDescription2D<TupleDesc_B> association = new AssociateMaxDistanceNaive<>(score, true, 400, 20);
    DescribeRegionPoint<GrayF32, TupleDesc_B> describe = new WrapDescribeBrief<>(brief, GrayF32.class);
    EasyGeneralFeatureDetector<GrayF32, GrayF32> easy = new EasyGeneralFeatureDetector<>(corner, GrayF32.class, GrayF32.class);
    DdaManagerGeneralPoint<GrayF32, GrayF32, TupleDesc_B> manager;
    manager = new DdaManagerGeneralPoint<>(easy, describe, 2);
    DetectDescribeAssociateTwoPass<GrayF32, TupleDesc_B> tracker = new DetectDescribeAssociateTwoPass<>(manager, association, association, false);
    return tracker;
}

Example 15 with ConfigGeneralDetector

use of boofcv.abst.feature.detect.interest.ConfigGeneralDetector in project BoofCV by lessthanoptimal.

the class TestPointTrackerCombined method createTracker.

@Override
public PointTracker<GrayF32> createTracker() {
    DescribePointBrief<GrayF32> brief = FactoryDescribePointAlgs.brief(FactoryBriefDefinition.gaussian2(new Random(123), 16, 512), FactoryBlurFilter.gaussian(ImageType.single(GrayF32.class), 0, 4));
    GeneralFeatureDetector<GrayF32, GrayF32> corner = FactoryDetectPoint.createShiTomasi(new ConfigGeneralDetector(100, 2, 0), false, GrayF32.class);
    InterestPointDetector<GrayF32> detector = FactoryInterestPoint.wrapPoint(corner, 1, GrayF32.class, GrayF32.class);
    ScoreAssociateHamming_B score = new ScoreAssociateHamming_B();
    AssociateDescription<TupleDesc_B> association = FactoryAssociation.greedy(score, 400, true);
    PointTracker<GrayF32> pointTracker = FactoryPointTracker.combined(detector, null, new WrapDescribeBrief<>(brief, GrayF32.class), association, null, 20, GrayF32.class);
    return pointTracker;
}