Examples with ConfigPolygonDetector boofcv.factory.shape.ConfigPolygonDetector used on opensource projects

Example 1 with ConfigPolygonDetector

use of boofcv.factory.shape.ConfigPolygonDetector in project BoofCV by lessthanoptimal.

the class TestDetectChessboardSquarePoints method basicTest.

public void basicTest(int rows, int cols) {
    // System.out.println("grid shape rows = "+ rows +" cols = "+ cols);
    GrayU8 binary = createTarget(rows, cols);
    GrayU8 gray = binary.clone();
    PixelMath.multiply(gray, 200, gray);
    PixelMath.minus(255, gray, gray);
    // ShowImages.showWindow(gray,"Input");
    // try {
    // Thread.sleep(2000);
    // } catch (InterruptedException ignore) {}
    DetectPolygonBinaryGrayRefine<GrayU8> detectorSquare = FactoryShapeDetector.polygon(new ConfigPolygonDetector(4, 4), GrayU8.class);
    DetectChessboardSquarePoints<GrayU8> alg = new DetectChessboardSquarePoints<>(rows, cols, ConfigLength.fixed(2), detectorSquare);
    // System.out.println("test grid "+ gridWidth + " " + gridHeight);
    assertTrue(alg.process(gray, binary));
    List<Point2D_F64> calib = alg.getCalibrationPoints().toList();
    double x0 = offsetX + squareLength;
    double y0 = offsetY + squareLength;
    int pointRows = 2 * (rows / 2) - 1 + rows % 2;
    int pointCols = 2 * (cols / 2) - 1 + cols % 2;
    assertEquals(pointCols * pointRows, calib.size());
    int index = 0;
    for (int row = 0; row < pointRows; row++) {
        for (int col = 0; col < pointCols; col++) {
            assertTrue(calib.get(index++).distance(x0 + col * squareLength, y0 + row * squareLength) < 3);
        }
    }
}

Example 2 with ConfigPolygonDetector

use of boofcv.factory.shape.ConfigPolygonDetector in project BoofCV by lessthanoptimal.

the class TestDetectChessboardSquarePoints method touchImageEdge.

/**
 * Crash case.  The outer grid touches the image edge but not the inner.
 */
@Test
public void touchImageEdge() {
    offsetX = -10;
    offsetY = -15;
    int gridWidth = 4;
    int gridHeight = 5;
    GrayU8 binary = createTarget(gridHeight, gridWidth);
    GrayU8 gray = binary.clone();
    PixelMath.multiply(gray, 200, gray);
    PixelMath.minus(255, gray, gray);
    // ShowImages.showWindow(gray, "Input");
    // try {
    // Thread.sleep(2000);
    // } catch (InterruptedException ignore) {}
    DetectPolygonBinaryGrayRefine<GrayU8> detectorSquare = FactoryShapeDetector.polygon(new ConfigPolygonDetector(4, 4), GrayU8.class);
    DetectChessboardSquarePoints<GrayU8> alg = new DetectChessboardSquarePoints<>(gridWidth, gridHeight, ConfigLength.fixed(2), detectorSquare);
    assertFalse(alg.process(gray, binary));
}

Example 3 with ConfigPolygonDetector

use of boofcv.factory.shape.ConfigPolygonDetector in project BoofCV by lessthanoptimal.

the class TestQrCodePositionPatternDetector method createAlg.

private QrCodePositionPatternDetector<GrayF32> createAlg() {
    ConfigPolygonDetector config = new ConfigPolygonDetector(4, 4);
    config.detector.clockwise = false;
    DetectPolygonBinaryGrayRefine<GrayF32> squareDetector = FactoryShapeDetector.polygon(config, GrayF32.class);
    return new QrCodePositionPatternDetector<>(squareDetector, 2);
}

Example 4 with ConfigPolygonDetector

use of boofcv.factory.shape.ConfigPolygonDetector in project BoofCV by lessthanoptimal.

the class DetectBlackPolygonApp method getConfigPolygonDetector.

public ConfigPolygonDetector getConfigPolygonDetector() {
    DetectBlackPolygonAppControlPanel controls = (DetectBlackPolygonAppControlPanel) DetectBlackPolygonApp.this.controls;
    ConfigPolygonDetector config = controls.polygonPanel.getConfigPolygon();
    return config;
}

Example 5 with ConfigPolygonDetector

use of boofcv.factory.shape.ConfigPolygonDetector in project BoofCV by lessthanoptimal.

the class ExampleDetectBlackPolygon method main.

public static void main(String[] args) {
    String[] imagesConvex = new String[] { "shapes/polygons01.jpg", "shapes/shapes02.png", "fiducial/image/examples/image01.jpg" };
    String[] imagesConcave = new String[] { "shapes/concave01.jpg" };
    ListDisplayPanel panel = new ListDisplayPanel();
    // first configure the detector to only detect convex shapes with 3 to 7 sides
    ConfigPolygonDetector config = new ConfigPolygonDetector(3, 7);
    DetectPolygonBinaryGrayRefine<GrayU8> detector = FactoryShapeDetector.polygon(config, GrayU8.class);
    processImages(imagesConvex, detector, panel);
    // now lets detect concave shapes with many sides
    config.detector.contourToPoly.maximumSides = 12;
    config.detector.contourToPoly.convex = false;
    detector = FactoryShapeDetector.polygon(config, GrayU8.class);
    processImages(imagesConcave, detector, panel);
    ShowImages.showWindow(panel, "Found Polygons", true);
}