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/*=========================================================================
*
* Copyright NumFOCUS
*
* 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
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* 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.
*
*=========================================================================*/
#ifndef itkBoxMeanImageFilter_h
#define itkBoxMeanImageFilter_h
#include "itkBoxImageFilter.h"
namespace itk
{
/**
* \class BoxMeanImageFilter
* \brief Implements a fast rectangular mean filter using the
* accumulator approach
*
*
* This code was contributed in the Insight Journal paper:
* "Efficient implementation of kernel filtering"
* by Beare R., Lehmann G
* https://www.insight-journal.org/browse/publication/160
*
*
* \author Richard Beare
* \ingroup ITKSmoothing
*/
template <typename TInputImage, typename TOutputImage = TInputImage>
class ITK_TEMPLATE_EXPORT BoxMeanImageFilter : public BoxImageFilter<TInputImage, TOutputImage>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(BoxMeanImageFilter);
/** Standard class type aliases. */
using Self = BoxMeanImageFilter;
using Superclass = BoxImageFilter<TInputImage, TOutputImage>;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** Standard New method. */
itkNewMacro(Self);
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(BoxMeanImageFilter);
/** Image related type alias. */
using InputImageType = TInputImage;
using OutputImageType = TOutputImage;
using RegionType = typename TInputImage::RegionType;
using SizeType = typename TInputImage::SizeType;
using IndexType = typename TInputImage::IndexType;
using PixelType = typename TInputImage::PixelType;
using OffsetType = typename TInputImage::OffsetType;
using typename Superclass::OutputImageRegionType;
using OutputPixelType = typename TOutputImage::PixelType;
/** Image related type alias. */
static constexpr unsigned int OutputImageDimension = TOutputImage::ImageDimension;
static constexpr unsigned int InputImageDimension = TInputImage::ImageDimension;
#ifdef ITK_USE_CONCEPT_CHECKING
// Begin concept checking
itkConceptMacro(SameDimension, (Concept::SameDimension<Self::InputImageDimension, Self::OutputImageDimension>));
// End concept checking
#endif
protected:
BoxMeanImageFilter();
~BoxMeanImageFilter() override = default;
/** Multi-thread version GenerateData. */
void
DynamicThreadedGenerateData(const OutputImageRegionType & outputRegionForThread) override;
}; // end of class
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "itkBoxMeanImageFilter.hxx"
#endif
#endif
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