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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 itkMaximumProjectionImageFilter_h
#define itkMaximumProjectionImageFilter_h
#include "itkProjectionImageFilter.h"
#include "itkConceptChecking.h"
namespace itk
{
/** \class MaximumProjectionImageFilter
* \brief Maximum projection
*
* This class was contributed to the insight journal by Gaetan Lehmann.
* The original paper can be found at
* https://www.insight-journal.org/browse/publication/71
*
* \author Gaetan Lehmann. Biologie du Developpement et de la reproduction,
* inra de jouy-en-josas, France.
*
* \sa ProjectionImageFilter
* \sa MedianProjectionImageFilter
* \sa MeanProjectionImageFilter
* \sa MinimumProjectionImageFilter
* \sa StandardDeviationProjectionImageFilter
* \sa SumProjectionImageFilter
* \sa BinaryProjectionImageFilter
* \ingroup ITKImageStatistics
*/
namespace Functor
{
template <typename TInputPixel>
class MaximumAccumulator
{
public:
MaximumAccumulator(SizeValueType) {}
~MaximumAccumulator() = default;
inline void
Initialize()
{
m_Maximum = NumericTraits<TInputPixel>::NonpositiveMin();
}
inline void
operator()(const TInputPixel & input)
{
m_Maximum = std::max(m_Maximum, input);
}
inline TInputPixel
GetValue()
{
return m_Maximum;
}
TInputPixel m_Maximum;
};
} // namespace Functor
template <typename TInputImage, typename TOutputImage>
class MaximumProjectionImageFilter
: public ProjectionImageFilter<TInputImage,
TOutputImage,
Functor::MaximumAccumulator<typename TInputImage::PixelType>>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(MaximumProjectionImageFilter);
using Self = MaximumProjectionImageFilter;
using Superclass =
ProjectionImageFilter<TInputImage, TOutputImage, Functor::MaximumAccumulator<typename TInputImage::PixelType>>;
using InputImageType = TInputImage;
using InputPixelType = typename InputImageType::PixelType;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(MaximumProjectionImageFilter);
/** Method for creation through the object factory. */
itkNewMacro(Self);
#ifdef ITK_USE_CONCEPT_CHECKING
// Begin concept checking
itkConceptMacro(InputPixelTypeGreaterThanComparable, (Concept::GreaterThanComparable<InputPixelType>));
itkConceptMacro(InputHasNumericTraitsCheck, (Concept::HasNumericTraits<InputPixelType>));
// End concept checking
#endif
protected:
MaximumProjectionImageFilter() = default;
~MaximumProjectionImageFilter() override = default;
}; // end
// MaximumProjectionImageFilter
} // end namespace itk
#endif
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