itkVectorMeanDiffusionImageFilter.h

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/*=========================================================================
 *
 *  Copyright UMC Utrecht and contributors
 *
 *  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.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 __itkVectorMeanDiffusionImageFilter_H__
#define __itkVectorMeanDiffusionImageFilter_H__
 
#include "itkImageToImageFilter.h"
#include "itkImage.h"
#include "itkVector.h"
#include "itkNumericTraits.h"
 
#include "itkRescaleIntensityImageFilter.h"
 
namespace itk
{
template< class TInputImage, class TGrayValueImage >
class VectorMeanDiffusionImageFilter :
  public ImageToImageFilter< TInputImage, TInputImage >
{
public:
 
  typedef TInputImage                          InputImageType;
  typedef TGrayValueImage                      GrayValueImageType;
  typedef typename GrayValueImageType::Pointer GrayValueImagePointer;
 
  typedef VectorMeanDiffusionImageFilter Self;
  typedef ImageToImageFilter<
    InputImageType, InputImageType >          Superclass;
  typedef SmartPointer< Self >       Pointer;
  typedef SmartPointer< const Self > ConstPointer;
 
  itkStaticConstMacro( InputImageDimension, unsigned int,
    TInputImage::ImageDimension );
 
  itkNewMacro( Self );
 
  itkTypeMacro( VectorMeanDiffusionImageFilter, ImageToImageFilter );
 
  typedef typename InputImageType::PixelType InputPixelType;
  typedef typename InputPixelType::ValueType ValueType;
  //typedef typename NumericTraits<InputPixelType>::RealType    InputRealType;
  typedef typename InputImageType::RegionType InputImageRegionType;
  typedef typename InputImageType::SizeType   InputSizeType;
  typedef typename InputImageType::IndexType  IndexType;
  typedef Vector< double,
    itkGetStaticConstMacro( InputImageDimension ) > VectorRealType;
  typedef Image< double,
    itkGetStaticConstMacro( InputImageDimension ) > DoubleImageType;
  typedef typename DoubleImageType::Pointer      DoubleImagePointer;
  typedef typename GrayValueImageType::PixelType GrayValuePixelType;
 
  typedef RescaleIntensityImageFilter<
    GrayValueImageType, DoubleImageType >           RescaleImageFilterType;
  typedef typename RescaleImageFilterType::Pointer RescaleImageFilterPointer;
 
  itkSetMacro( Radius, InputSizeType );
 
  itkGetConstReferenceMacro( Radius, InputSizeType );
 
  void GenerateInputRequestedRegion() override;
 
  itkSetMacro( NumberOfIterations, unsigned int );
  itkGetConstMacro( NumberOfIterations, unsigned int );
 
  void SetGrayValueImage( GrayValueImageType * _arg );
 
  typename GrayValueImageType::Pointer GetGrayValueImage( void )
  {
    return this->m_GrayValueImage.GetPointer();
  }
 
 
protected:
 
  VectorMeanDiffusionImageFilter();
  ~VectorMeanDiffusionImageFilter() override {}
 
  void PrintSelf( std::ostream & os, Indent indent ) const override;
 
  void GenerateData( void ) override;
 
private:
 
  VectorMeanDiffusionImageFilter( const Self & );  // purposely not implemented
  void operator=( const Self & );                  // purposely not implemented
 
  InputSizeType m_Radius;
  unsigned int  m_NumberOfIterations;
 
  GrayValueImagePointer m_GrayValueImage;
  DoubleImagePointer    m_Cx;
 
  RescaleImageFilterPointer m_RescaleFilter;
 
  void FilterGrayValueImage( void );
 
};
 
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkVectorMeanDiffusionImageFilter.hxx"
#endif
 
#endif // end #ifndef __itkVectorMeanDiffusionImageFilter_H__