Java BufferedImage Sharpen sharpen(BufferedImage image)

Description

Sharpens an image.

License

Apache License

Parameter

Parameter	Description
image	a parameter

Declaration

public static BufferedImage sharpen(BufferedImage image) 

Method Source Code

//package com.java2s;
/**// w w  w  .  j  a va 2s. c  o  m
 * Copyright @ 2008
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

import java.awt.image.*;

public class Main {
    /**
     * Sharpens an image.
     *
     * @param image
     * @return
     */
    public static BufferedImage sharpen(BufferedImage image) {
        // A 3x3 kernel that sharpens an image
        Kernel kernel = new Kernel(3, 3, new float[] { -1, -1, -1, -1, 9, -1, -1, -1, -1 });

        BufferedImageOp op = new ConvolveOp(kernel);

        return op.filter(image, null);
    }
}

Related

1. sharpen(BufferedImage img, BufferedImage dest)
2. sharpen(final BufferedImage image)
3. sharpenOp()