cmib_4_4.Countour.java Source code

Introduction

Here is the source code for cmib_4_4.Countour.java

Source

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package cmib_4_4;

import java.util.ArrayList;
import java.util.List;
import org.opencv.core.Core;
import static org.opencv.core.CvType.CV_8U;
import org.opencv.core.Mat;
import org.opencv.core.MatOfPoint;
import org.opencv.core.Point;
import org.opencv.core.Rect;
import org.opencv.core.Scalar;
import org.opencv.highgui.Highgui;
import org.opencv.imgproc.Imgproc;
import static org.opencv.imgproc.Imgproc.THRESH_OTSU;

/**
 *
 * @author Prabhath
 */
public class Countour {

    public static void main(String args[]) {

        System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
        Mat image = Highgui.imread("input1.jpg", Highgui.CV_LOAD_IMAGE_GRAYSCALE);
        Mat image1 = Highgui.imread("input1.jpg", Highgui.CV_LOAD_IMAGE_GRAYSCALE);
        Mat image4 = Highgui.imread("input1.jpg");
        Imgproc.threshold(image1, image1, 0, 255, THRESH_OTSU);
        Imgproc.Canny(image1, image1, Imgproc.THRESH_BINARY_INV + Imgproc.THRESH_OTSU,
                Imgproc.THRESH_BINARY_INV + Imgproc.THRESH_OTSU);
        Mat image2 = Mat.zeros(image.rows() + 2, image.cols() + 2, CV_8U);
        List<MatOfPoint> contours = new ArrayList<MatOfPoint>();
        Imgproc.findContours(image1, contours, new Mat(), Imgproc.RETR_LIST, Imgproc.CHAIN_APPROX_SIMPLE);

        for (int i = 0; i < contours.size(); i++) {

            if (Imgproc.contourArea(contours.get(i)) > 100) {

                Rect rect = Imgproc.boundingRect(contours.get(i));
                Imgproc.floodFill(image1, image2, new Point(150, 150), new Scalar(255));
                Rect rectCrop = new Rect(rect.x, rect.y, rect.width, rect.height);
                Mat image_roi_rgb = new Mat(image4, rectCrop);
                Highgui.imwrite("crop2.jpg", image_roi_rgb);
                if (rect.height > 28) {

                    Core.rectangle(image, new Point(rect.x, rect.y),
                            new Point(rect.x + rect.width, rect.y + rect.height), new Scalar(0, 0, 255));
                }
            }
        }
        Highgui.imwrite("falciparum2.jpg", image);

    }

}