crop image in java

import java.awt.*;
import javax.swing.*;
import java.awt.image.CropImageFilter;
import java.awt.image.FilteredImageSource;

public class CropImage extends JFrame {
  Image image;
  Insets insets;

  public CropImage() {
    super("Crop Image");
    ImageIcon icon = new ImageIcon("image4.jpg");
    image = icon.getImage();
    image = createImage(new FilteredImageSource(image.
       getSource(),new CropImageFilter(75, 70, 140, 150)));
  }
  public void paint(Graphics g) {
    super.paint(g);
    if (insets == null) {
      insets = getInsets();
    }
    g.drawImage(image, insets.left, insets.top, this);
  }
  public static void main(String args[]) {
    JFrame frame = new CropImage();
    frame.setSize(250, 250);
    frame.show();
  }
}