import java.awt.Image;
import java.awt.image.BufferedImage;
import java.io.IOException;
import javafx.application.Application;
import javafx.embed.swing.SwingFXUtils;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.image.ImageView;
import javafx.scene.image.WritableImage;
import javafx.stage.Stage;
import org.opencv.core.Core;
import org.opencv.core.Mat;
import org.opencv.core.Point;
import org.opencv.core.Scalar;
import org.opencv.highgui.HighGui;
import org.opencv.imgcodecs.Imgcodecs;
import org.opencv.imgproc.Imgproc;
public
class
HoughLineProbabilisticTransform
extends
Application {
public
void start(Stage stage) throws IOException {
System.loadLibrary( Core.NATIVE_LIBRARY_NAME );
String file =
"D:\Images\road4.jpg"
;
Mat src = Imgcodecs.imread(file);
Mat gray =
new
Mat();
Imgproc.cvtColor(src, gray, Imgproc.COLOR_RGBA2GRAY);
Mat edges =
new
Mat();
Imgproc.Canny(gray, edges, 60, 60*3, 3, false);
Mat cannyColor =
new
Mat();
Imgproc.cvtColor(edges, cannyColor, Imgproc.COLOR_GRAY2BGR);
Mat lines =
new
Mat();
Imgproc.HoughLinesP(edges, lines, 1, Math.PI/180, 50, 50, 10);
for
(int i = 0; i < lines.rows(); i++) {
double[] data = lines.get(i, 0);
Point pt1 =
new
Point(data[0], data[1]);
Point pt2 =
new
Point(data[2], data[3]);
Imgproc.line(cannyColor, pt1, pt2,
new
Scalar(0, 0, 255), 3);
}
Image img = HighGui.toBufferedImage(cannyColor);
WritableImage writableImage= SwingFXUtils.toFXImage((BufferedImage) img, null);
ImageView imageView =
new
ImageView(writableImage);
imageView.setX(10);
imageView.setY(10);
imageView.setFitWidth(575);
imageView.setPreserveRatio(true);
Group root =
new
Group(imageView);
Scene scene =
new
Scene(root, 595, 400);
stage.setTitle(
"Hough Line Transform"
);
stage.setScene(scene);
stage.show();
}
public
static
void main(String args[]) {
launch(args);
}
}