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/*
* Copyright (C) 2005-2020 Centre National d'Etudes Spatiales (CNES)
*
* This file is part of Orfeo Toolbox
*
* https://www.orfeo-toolbox.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.
*/
#ifndef otbMeanRatioImageFilter_h
#define otbMeanRatioImageFilter_h
#include "otbMeanRatio.h"
namespace otb
{
/** \class MeanRatioImageFilter
* \brief Implements neighborhood-wise the computation of mean ratio.
*
* This filter is parametrized over the types of the two
* input images and the type of the output image.
*
* Numeric conversions (castings) are done by the C++ defaults.
*
* The filter will walk over all the pixels in the two input images, and for
* each one of them it will do the following:
*
* - compute the ratio of the two pixel values
* - compute the value of the ratio of means
* - cast the \c double value resulting to the pixel type of the output image
* - store the casted value into the output image.
*
* The filter expect all images to have the same dimension
* (e.g. all 2D, or all 3D, or all ND)
*
* \ingroup IntensityImageFilters Multithreaded
*
* \ingroup OTBChangeDetection
*/
template <class TInputImage1, class TInputImage2, class TOutputImage>
class ITK_EXPORT MeanRatioImageFilter
: public BinaryFunctorNeighborhoodImageFilter<TInputImage1, TInputImage2, TOutputImage,
Functor::MeanRatio<typename itk::ConstNeighborhoodIterator<TInputImage1>,
typename itk::ConstNeighborhoodIterator<TInputImage2>, typename TOutputImage::PixelType>>
{
public:
/** Standard class typedefs. */
typedef MeanRatioImageFilter Self;
typedef BinaryFunctorNeighborhoodImageFilter<TInputImage1, TInputImage2, TOutputImage,
Functor::MeanRatio<typename itk::ConstNeighborhoodIterator<TInputImage1>,
typename itk::ConstNeighborhoodIterator<TInputImage2>, typename TOutputImage::PixelType>>
Superclass;
typedef itk::SmartPointer<Self> Pointer;
typedef itk::SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Macro defining the type*/
itkTypeMacro(MeanRatioImageFilter, SuperClass);
protected:
MeanRatioImageFilter()
{
}
~MeanRatioImageFilter() override
{
}
private:
MeanRatioImageFilter(const Self&) = delete;
void operator=(const Self&) = delete;
};
} // end namespace otb
#endif
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