Sharpens an image. - Java 2D Graphics

Java examples for 2D Graphics:Image

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Description

Sharpens an image.

Demo Code

/**/* www  . ja va2s  .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.
 */
//package com.java2s;

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);
    }
}

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