直线目标检测技术

Boofcv研究：直线目标检测

public class LineDetection {


    private static final float edgeThreshold = 25;
    private static final int maxLines = 10;

    private static ListDisplayPanel listPanel = new ListDisplayPanel();

    public static<T extends ImageGray, D extends ImageGray>
            void detectLines( BufferedImage image , 
                              Class<T> imageType ,
                              Class<D> derivType )
    {
        T input = ConvertBufferedImage.convertFromSingle(image, null, imageType );

        DetectLineHoughPolar<T,D> detector = FactoryDetectLineAlgs.houghPolar(
                new ConfigHoughPolar(3, 30, 2, Math.PI / 180,edgeThreshold, maxLines), imageType, derivType);


        List<LineParametric2D_F32> found = detector.detect(input);

        ImageLinePanel gui = new ImageLinePanel();
        gui.setBackground(image);
        gui.setLines(found);
        gui.setPreferredSize(new Dimension(image.getWidth(),image.getHeight()));

        listPanel.addItem(gui, "Found Lines");
    }


    public static<T extends ImageGray, D extends ImageGray>
    void detectLineSegments( BufferedImage image ,
                             Class<T> imageType ,
                             Class<D> derivType )
    {
        T input = ConvertBufferedImage.convertFromSingle(image, null, imageType );

        DetectLineSegmentsGridRansac<T,D> detector = FactoryDetectLineAlgs.lineRansac(40, 30, 2.36, true, imageType, derivType);

        List<LineSegment2D_F32> found = detector.detect(input);

        ImageLinePanel gui = new ImageLinePanel();
        gui.setBackground(image);
        gui.setLineSegments(found);
        gui.setPreferredSize(new Dimension(image.getWidth(),image.getHeight()));

        listPanel.addItem(gui, "Found Line Segments");
    }

    public static void main( String args[] ) {
        BufferedImage input = UtilImageIO.loadImage(UtilIO.pathExample("D:\\JavaProject\\Boofcv\\example\\simple_objects.jpg"));

        detectLines(input, GrayU8.class, GrayS16.class);


        detectLineSegments(input, GrayF32.class, GrayF32.class);

        ShowImages.showWindow(listPanel, "Detected Lines", true);
    }
}