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BoofCV is an open source Java library for real-time computer vision and robotics applications.
/*
* Copyright (c) 2011-2019, Peter Abeles. All Rights Reserved.
*
* This file is part of BoofCV (http://boofcv.org).
*
* 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 boofcv.alg.weights;
import boofcv.factory.filter.kernel.FactoryKernelGaussian;
import boofcv.struct.convolve.Kernel2D_F32;
/**
* @author Peter Abeles
*/
public class WeightPixelGaussian_F32 extends WeightPixelKernel_F32 {
@Override
public void setRadius(int radiusX , int radiusY) {
if( radiusX != radiusY )
throw new IllegalArgumentException("Non-symmetric kernels are not yet supported. You can request this feature");
int radius = radiusX;
if( kernel == null || kernel.getRadius() != radius ) {
if( radius > 0 ) {
double sigma = FactoryKernelGaussian.sigmaForRadius(radius, 0);
kernel = FactoryKernelGaussian.gaussian2D_F32((float) sigma, radius, true, true);
} else {
kernel = new Kernel2D_F32(0);
}
}
}
}