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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 __antsLogEuclideanGaussianListSampleFunction_h
#define __antsLogEuclideanGaussianListSampleFunction_h
#include "antsListSampleFunction.h"
#include "itkVariableSizeMatrix.h"
namespace itk
{
namespace ants
{
namespace Statistics
{
/** \class LogEuclideanGaussianListSampleFunction.h
* \brief
*/
template <typename TListSample, typename TOutput = double, typename TCoordRep = double>
class LogEuclideanGaussianListSampleFunction final : public ListSampleFunction<TListSample, TOutput, TCoordRep>
{
public:
typedef LogEuclideanGaussianListSampleFunction Self;
typedef ListSampleFunction<TListSample, TOutput, TCoordRep> 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(LogEuclideanGaussianListSampleFunction, ListSampleFunction);
typedef typename Superclass::InputListSampleType InputListSampleType;
typedef typename Superclass::InputMeasurementVectorType InputMeasurementVectorType;
typedef typename Superclass::InputMeasurementType InputMeasurementType;
/** Other typedef */
typedef TOutput RealType;
typedef TOutput OutputType;
typedef VariableSizeMatrix<RealType> TensorType;
/** Helper functions */
void
SetInputListSample(const InputListSampleType * ptr) override;
TOutput
Evaluate(const InputMeasurementVectorType & measurement) const override;
protected:
LogEuclideanGaussianListSampleFunction();
~LogEuclideanGaussianListSampleFunction() override;
void
PrintSelf(std::ostream & os, Indent indent) const override;
void
GenerateData();
TensorType
LogTensorTransform(const TensorType &) const;
TensorType
ExpTensorTransform(const TensorType &) const;
RealType
CalculateTensorDistance(const TensorType &, const TensorType &) const;
TensorType m_MeanTensor;
RealType m_Dispersion;
private:
// purposely not implemented
LogEuclideanGaussianListSampleFunction(const Self &);
void
operator=(const Self &);
};
} // end of namespace Statistics
} // end of namespace ants
} // end of namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "antsLogEuclideanGaussianListSampleFunction.hxx"
#endif
#endif
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