itkCyclicBSplineDeformableTransform.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
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 *        http://www.apache.org/licenses/LICENSE-2.0.txt
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 *  distributed under the License is distributed on an "AS IS" BASIS,
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 *  See the License for the specific language governing permissions and
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#ifndef __itkCyclicBSplineDeformableTransform_h
#define __itkCyclicBSplineDeformableTransform_h
 
#include "itkAdvancedTransform.h"
#include "itkImage.h"
#include "itkImageRegion.h"
#include "itkBSplineInterpolationWeightFunction2.h"
#include "itkBSplineInterpolationDerivativeWeightFunction.h"
#include "itkBSplineInterpolationSecondOrderDerivativeWeightFunction.h"
#include "itkAdvancedBSplineDeformableTransform.h"
#include "itkCyclicBSplineDeformableTransform.h"
 
namespace itk
{
 
template<
class TScalarType         = double,      // Data type for scalars
unsigned int NDimensions  = 3,           // Number of dimensions
unsigned int VSplineOrder = 3 >
// Spline order
class CyclicBSplineDeformableTransform :
  public AdvancedBSplineDeformableTransform< TScalarType, NDimensions, VSplineOrder >
{
public:
 
  typedef CyclicBSplineDeformableTransform Self;
  typedef AdvancedBSplineDeformableTransform<
    TScalarType, NDimensions, VSplineOrder >          Superclass;
  typedef SmartPointer< Self >       Pointer;
  typedef SmartPointer< const Self > ConstPointer;
 
  itkNewMacro( Self );
 
  itkTypeMacro( CyclicBSplineDeformableTransform, AdvancedBSplineDeformableTransform );
 
  itkStaticConstMacro( SpaceDimension, unsigned int, NDimensions );
 
  itkStaticConstMacro( SplineOrder, unsigned int, VSplineOrder );
 
  typedef typename Superclass::JacobianType        JacobianType;
  typedef typename Superclass::SpatialJacobianType SpatialJacobianType;
  typedef typename Superclass
    ::NonZeroJacobianIndicesType NonZeroJacobianIndicesType;
  typedef typename Superclass
    ::JacobianOfSpatialJacobianType JacobianOfSpatialJacobianType;
  typedef typename Superclass::SpatialHessianType SpatialHessianType;
  typedef typename Superclass
    ::JacobianOfSpatialHessianType JacobianOfSpatialHessianType;
  typedef typename Superclass::InternalMatrixType     InternalMatrixType;
  typedef typename Superclass::ParametersType         ParametersType;
  typedef typename Superclass::NumberOfParametersType NumberOfParametersType;
 
  typedef typename ParametersType::ValueType PixelType;
  typedef Image< PixelType,
    itkGetStaticConstMacro( SpaceDimension ) >         ImageType;
  typedef typename ImageType::Pointer ImagePointer;
 
  typedef typename Superclass::RegionType      RegionType;
  typedef typename RegionType::IndexType       IndexType;
  typedef typename RegionType::SizeType        SizeType;
  typedef typename ImageType::SpacingType      SpacingType;
  typedef typename ImageType::DirectionType    DirectionType;
  typedef typename ImageType::PointType        OriginType;
  typedef typename RegionType::IndexType       GridOffsetType;
  typedef typename Superclass::InputPointType  InputPointType;
  typedef typename Superclass::OutputPointType OutputPointType;
  typedef typename Superclass::WeightsType     WeightsType;
  typedef typename Superclass::
    ParameterIndexArrayType ParameterIndexArrayType;
  typedef typename Superclass::
    ContinuousIndexType ContinuousIndexType;
  typedef typename Superclass::ScalarType ScalarType;
  typedef typename Superclass::
    JacobianImageType JacobianImageType;
  typedef typename Superclass::
    JacobianPixelType JacobianPixelType;
  typedef typename Superclass::
    WeightsFunctionType WeightsFunctionType;
  typedef BSplineInterpolationWeightFunction2< ScalarType,
    itkGetStaticConstMacro( SpaceDimension ) - 1,
    itkGetStaticConstMacro( SplineOrder ) >     RedWeightsFunctionType;
  typedef typename RedWeightsFunctionType::
    ContinuousIndexType RedContinuousIndexType;
 
  void SetGridRegion( const RegionType & region ) override;
 
  void TransformPoint(
    const InputPointType & inputPoint,
    OutputPointType & outputPoint,
    WeightsType & weights,
    ParameterIndexArrayType & indices,
    bool & inside ) const override;
 
  virtual void GetJacobian(
    const InputPointType & ipp,
    WeightsType & weights,
    ParameterIndexArrayType & indices ) const;
 
  void GetSpatialJacobian(
    const InputPointType & ipp,
    SpatialJacobianType & sj ) const override;
 
protected:
 
  CyclicBSplineDeformableTransform();
  ~CyclicBSplineDeformableTransform() override;
 
  void ComputeNonZeroJacobianIndices(
    NonZeroJacobianIndicesType & nonZeroJacobianIndices,
    const RegionType & supportRegion ) const override;
 
  bool InsideValidRegion( const ContinuousIndexType & index ) const override;
 
  virtual void SplitRegion(
    const RegionType & imageRegion,
    const RegionType & inRegion,
    RegionType & outRegion1,
    RegionType & outRegion2 ) const;
 
private:
 
  CyclicBSplineDeformableTransform( const Self & ); // purposely not implemented
  void operator=( const Self & );                   // purposely not implemented
 
};
 
}  // namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkCyclicBSplineDeformableTransform.hxx"
#endif
 
#endif /* __itkCyclicBSplineDeformableTransform_h */