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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 __antsManifoldParzenWindowsListSampleFunction_h
#define __antsManifoldParzenWindowsListSampleFunction_h
#include "antsListSampleFunction.h"
#include "itkGaussianMembershipFunction.h"
#include "itkWeightedCentroidKdTreeGenerator.h"
#include <vector>
namespace itk
{
namespace ants
{
namespace Statistics
{
/** \class ManifoldParzenWindowsListSampleFunction.h
* \brief point set filter.
*/
template <typename TListSample, typename TOutput = double, typename TCoordRep = double>
class ManifoldParzenWindowsListSampleFunction final : public ListSampleFunction<TListSample, TOutput, TCoordRep>
{
public:
typedef ManifoldParzenWindowsListSampleFunction 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(ManifoldParzenWindowsListSampleFunction, ListSampleFunction);
typedef typename Superclass::InputListSampleType InputListSampleType;
typedef typename Superclass::InputMeasurementVectorType InputMeasurementVectorType;
typedef typename Superclass::InputMeasurementType InputMeasurementType;
/** List sample typedef support. */
typedef TListSample ListSampleType;
/** Kd tree typedefs */
typedef typename itk::Statistics::WeightedCentroidKdTreeGenerator<InputListSampleType> TreeGeneratorType;
typedef typename TreeGeneratorType::KdTreeType KdTreeType;
typedef typename KdTreeType ::InstanceIdentifierVectorType NeighborhoodIdentifierType;
/** Other typedef */
typedef TOutput RealType;
typedef TOutput OutputType;
typedef typename itk::Statistics::GaussianMembershipFunction<InputMeasurementVectorType> GaussianType;
typedef std::vector<typename GaussianType::Pointer> GaussianContainerType;
typedef typename GaussianType::CovarianceMatrixType CovarianceMatrixType;
/** Helper functions */
itkSetMacro(EvaluationKNeighborhood, unsigned int);
itkGetConstMacro(EvaluationKNeighborhood, unsigned int);
itkSetMacro(RegularizationSigma, RealType);
itkGetConstMacro(RegularizationSigma, RealType);
itkSetMacro(CovarianceKNeighborhood, unsigned int);
itkGetConstMacro(CovarianceKNeighborhood, unsigned int);
itkSetMacro(KernelSigma, RealType);
itkGetConstMacro(KernelSigma, RealType);
void
SetInputListSample(const InputListSampleType * ptr) override;
TOutput
Evaluate(const InputMeasurementVectorType & measurement) const override;
protected:
ManifoldParzenWindowsListSampleFunction();
~ManifoldParzenWindowsListSampleFunction() override;
void
PrintSelf(std::ostream & os, Indent indent) const override;
void
GenerateData();
private:
// purposely not implemented
ManifoldParzenWindowsListSampleFunction(const Self &);
void
operator=(const Self &);
unsigned int m_CovarianceKNeighborhood;
unsigned int m_EvaluationKNeighborhood;
RealType m_RegularizationSigma;
RealType m_KernelSigma;
RealType m_NormalizationFactor;
typename TreeGeneratorType::Pointer m_KdTreeGenerator;
GaussianContainerType m_Gaussians;
};
} // end of namespace Statistics
} // end of namespace ants
} // end of namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "antsManifoldParzenWindowsListSampleFunction.hxx"
#endif
#endif
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