LetsStart.App.java Source code

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Here is the source code for LetsStart.App.java

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/*
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 */
package LetsStart;

/**
 *
 * @author art
 */
import org.opencv.core.Core;
import org.opencv.core.CvType;
import org.opencv.core.Mat;
//mport org.opencv.core.Point;
//mport org.opencv.core.Scalar;
import org.opencv.core.Size;
import org.opencv.imgcodecs.Imgcodecs;
import org.opencv.imgproc.Imgproc;

public class App {
    static {
        System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
    }

    public static void main(String[] args) throws Exception {
        String filePath = "src/resources/images/1.jpg";

        Mat newImage = Imgcodecs.imread(filePath);
        Mat im = new Mat(800, 1540, CvType.CV_32F);
        Mat x = new Mat();
        Mat y = new Mat();
        Mat n = new Mat(800, 1540, CvType.CV_32F);
        if (newImage.dataAddr() == 0) {
            System.out.println("Couldn't open file " + filePath);
        } else {
            Size sz = new Size(1540, 800);
            Imgproc.resize(newImage, newImage, sz);
            //Mat image=newImage.clone();

            Imgproc.blur(newImage, im, new Size(3, 3));
            //Imgproc.GaussianBlur(newImage, im, new Size(10,10),0);
            //Imgproc.bilateralFilter(newImage, im, 9, 10, 10);

            Imgproc.cvtColor(im, n, Imgproc.COLOR_BGR2GRAY);
            Imgproc.equalizeHist(n, n);
            //Imgproc.Sobel(im, x, -10, 0, 1);
            //Imgproc.Sobel(im, y, -10, 1, 0);
            //Core.add(x, y, n);

            Imgproc.Canny(n, n, 70, 130, 3, false);

            /*Mat lines = new Mat();
                
            Imgproc.HoughLines(n, lines, 1, Math.PI/180, 200);
                
            for(int i =0; i<lines.cols(); i++)
            {
            double rho = lines.get(0,i)[0];
            double theta = lines.get(0,i)[1];
            Point pt1 = new Point(), pt2 = new Point();
            double a = Math.cos(theta), b=Math.sin(theta);
            double x0 = a*rho, y0=b*rho;
            pt1.x = Math.round(x0 + 1000*(-b));
            pt1.y = Math.round(y0 + 1000*(a));
            pt2.x = Math.round(x0 - 1000*(-b));
            pt2.y = Math.round(y0 - 1000*(a));
                
            Imgproc.line(image, pt1, pt2, new Scalar(255,0,0),2,Core.LINE_AA,0);
            }*/

            /*Mat kernel = Imgproc.getStructuringElement(Imgproc.CV_SHAPE_RECT, new Size(3,3));
            Imgproc.morphologyEx(n, n, Imgproc.MORPH_CLOSE, kernel);*/ //close morph

            //Imgproc.threshold(n, n, 80, 255, Imgproc.THRESH_BINARY);                                // binary image

            /*Core.pow(y, 2, y);
            Core.pow(x, 2, x);
            Core.add(x, y, n);
            Core.pow(n, 0.5, im);*/

            Imgcodecs.imwrite("src/resources/images/output/2.jpg", n);

            GUI gui = new GUI("Smooth Filter Example", n);
            gui.init();
        }
        return;
    }

}