Blur our image: Blur means an unfocused image

  
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.awt.image.BufferedImageOp;
import java.awt.image.ConvolveOp;
import java.awt.image.Kernel;

import javax.imageio.ImageIO;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class BlurredImage extends JPanel {
  public void paint(Graphics g) {
    try {
      BufferedImage myImage = ImageIO.read(this.getClass().getResource("redrock.png"));

      BufferedImage filteredImage = new BufferedImage(myImage.getWidth(null), myImage
          .getHeight(null), BufferedImage.TYPE_BYTE_GRAY);

      Graphics g1 = filteredImage.getGraphics();
      g1.drawImage(myImage, 400, 200, null);

      float[] blurKernel = { 1 / 9f, 1 / 9f, 1 / 9f, 1 / 9f, 1 / 9f, 1 / 9f, 1 / 9f, 1 / 9f, 1 / 9f };

      BufferedImageOp blur = new ConvolveOp(new Kernel(3, 3, blurKernel));
      myImage = blur.filter(myImage, null);
      g1.dispose();

      Graphics2D g2d = (Graphics2D) g;
      g2d.drawImage(myImage, null, 3, 3);
    } catch (Exception e) {

    }
  }

  public static void main(String[] args) {
    JFrame frame = new JFrame("Blurred Image");
    frame.add(new BlurredImage());
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setSize(400,400);
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);
  }
}

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Blur our image: Blur means an unfocused image : Image « Advanced Graphics « Java

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