Erode1 – Morphological Erosion

import java.awt.image.*;
import java.io.*;
import javax.swing.*;


public class Erode1  {
 
	public static void main(String[] args) {
         // load the image
	String file1 = "char.png";
	String filename =  (args.length>0)? args[0]: file1;

	 ImageFrame f1 = new ImageFrame(filename);
	 f1.setLocation(100,100);
	 f1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);


	//int mask[][] = {{0,1,1,1,0},{1,1,1,1,1},{1,1,1,1,1},{1,1,1,1,1},{0,1,1,1,0}};
	int mask[][] = {{0,1,0},{1,1,1},{0,1,0}};
	bwOps c = new bwOps(mask);
	c.showMatrix(mask,"structuring element");
	BufferedImage outp = c.doErode(f1.img);
	String cmt = "eroded";

	 ImageFrame f2 = new ImageFrame(outp,cmt);
	 f2.setLocation(140+f1.getWidth(),100);
	 f2.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 
	 f2.writeImage("erode1","png");
    }
}