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/*=========================================================================
Program: Advanced Normalization Tools
Copyright (c) ConsortiumOfANTS. All rights reserved.
See accompanying COPYING.txt or
https://github.com/stnava/ANTs/blob/master/ANTSCopyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef itkLogTensorImageFilter_h
#define itkLogTensorImageFilter_h
#include "itkImageToImageFilter.h"
#include "itkImage.h"
#include "itkNumericTraits.h"
#include "TensorFunctions.h"
namespace itk
{
/** \class LogTensorImageFilter
* \brief Applies an averaging filter to an image
*
* Computes an image where a given pixel is the mean value of the
* the pixels in a neighborhood about the corresponding input pixel.
*
* A mean filter is one of the family of linear filters.
*
* \sa Image
* \sa Neighborhood
* \sa NeighborhoodOperator
* \sa NeighborhoodIterator
*
* \ingroup IntensityImageFilters
*/
template <typename TInputImage, typename TOutputImage>
class LogTensorImageFilter : public ImageToImageFilter<TInputImage, TOutputImage>
{
public:
/** Extract dimension from input and output image. */
itkStaticConstMacro(InputImageDimension, unsigned int, TInputImage::ImageDimension);
itkStaticConstMacro(OutputImageDimension, unsigned int, TOutputImage::ImageDimension);
/** Convenient typedefs for simplifying declarations. */
typedef TInputImage InputImageType;
typedef TOutputImage OutputImageType;
/** Standard class typedefs. */
typedef LogTensorImageFilter Self;
typedef ImageToImageFilter<InputImageType, OutputImageType> Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(LogTensorImageFilter, ImageToImageFilter);
/** Image typedef support. */
typedef typename InputImageType::ConstPointer InputImagePointer;
typedef typename OutputImageType::Pointer OutputImagePointer;
typedef typename InputImageType::PixelType InputPixelType;
typedef typename OutputImageType::PixelType OutputPixelType;
typedef typename InputPixelType::ValueType InputRealType;
typedef typename OutputPixelType::ValueType OutputRealType;
// typedef typename DiffusionTensor3D<float> TensorType;
// typedef typename TensorType::EigenValuesArrayType EigenValuesArrayType;
// typedef typename TensorType::EigenVectorsMatrixType EigenVectorsMatrixType;
typedef typename InputImageType::RegionType InputImageRegionType;
typedef typename OutputImageType::RegionType OutputImageRegionType;
typedef typename InputImageType::SizeType InputSizeType;
typedef typename OutputImageType::SizeType OutputSizeType;
typedef typename InputImageType::IndexType InputIndexType;
typedef typename OutputImageType::IndexType OutputIndexType;
/** Set the radius of the neighborhood used to compute the mean. */
// itkSetMacro(Radius, InputSizeType);
/** Get the radius of the neighborhood used to compute the mean */
// itkGetConstReferenceMacro(Radius, InputSizeType);
protected:
LogTensorImageFilter();
~LogTensorImageFilter() override = default;
void
PrintSelf(std::ostream & os, Indent indent) const override;
/** LogTensorImageFilter can be implemented as a multithreaded filter.
* Therefore, this implementation provides a ThreadedGenerateData()
* routine which is called for each processing thread. The output
* image data is allocated automatically by the superclass prior to
* calling ThreadedGenerateData(). ThreadedGenerateData can only
* write to the portion of the output image specified by the
* parameter "outputRegionForThread"
*
* \sa ImageToImageFilter::ThreadedGenerateData(),
* ImageToImageFilter::GenerateData() */
void
GenerateData() override;
private:
LogTensorImageFilter(const Self &) = delete;
void
operator=(const Self &) = delete;
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "itkLogTensorImageFilter.hxx"
#endif
#endif
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