org.openimaj.image.processing.convolution.Laplacian3x3 Maven / Gradle / Ivy
/**
* Copyright (c) 2011, The University of Southampton and the individual contributors.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* * Neither the name of the University of Southampton nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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package org.openimaj.image.processing.convolution;
import org.openimaj.image.FImage;
/**
* A convolution operator with a 3x3 kernel approximating the Laplacian.
*
* @author Jonathon Hare ([email protected])
*/
public class Laplacian3x3 extends FConvolution {
/**
* Construct the 3x3 Laplacian operator
*/
public Laplacian3x3() {
super(new FImage(new float[][] {
{ 0,-1, 0},
{-1, 4,-1},
{ 0,-1, 0}
}));
}
}