Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ import org.opencv.core.Core; import org.opencv.core.CvType; import org.opencv.core.Mat; import org.opencv.core.Size; import org.opencv.highgui.Highgui; import org.opencv.imgproc.Imgproc; /** * * @author Dcio */ public class MainEroding { public static void main(String[] args) { try { int erosion_size = 2; //int dilation_size = 5; System.loadLibrary(Core.NATIVE_LIBRARY_NAME); Mat source = Highgui.imread("D://teste.png", Highgui.CV_LOAD_IMAGE_COLOR); Mat destination = new Mat(source.rows(), source.cols(), source.type()); destination = source; Mat element = Imgproc.getStructuringElement(Imgproc.MORPH_RECT, new Size(2 * erosion_size + 1, 2 * erosion_size + 1)); Imgproc.erode(source, destination, element); Highgui.imwrite("D://Erosion.jpg", destination); } catch (Exception e) { System.out.println("Exception: " + e.getMessage()); } } }//final class MainEroding