itkGaussianSmoothingOnUpdateTimeVaryingVelocityFieldTransform.h

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 *
 *  Copyright NumFOCUS
 *
 *  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
 *
 *         https://www.apache.org/licenses/LICENSE-2.0.txt
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 *  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.
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#ifndef itkGaussianSmoothingOnUpdateTimeVaryingVelocityFieldTransform_h
#define itkGaussianSmoothingOnUpdateTimeVaryingVelocityFieldTransform_h
 
#include "itkTimeVaryingVelocityFieldTransform.h"
 
namespace itk
{

template <typename TParametersValueType, unsigned int VDimension>
class ITK_TEMPLATE_EXPORT GaussianSmoothingOnUpdateTimeVaryingVelocityFieldTransform
  : public TimeVaryingVelocityFieldTransform<TParametersValueType, VDimension>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(GaussianSmoothingOnUpdateTimeVaryingVelocityFieldTransform);

  using Self = GaussianSmoothingOnUpdateTimeVaryingVelocityFieldTransform;
  using Superclass = TimeVaryingVelocityFieldTransform<TParametersValueType, VDimension>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;

  itkOverrideGetNameOfClassMacro(GaussianSmoothingOnUpdateTimeVaryingVelocityFieldTransform);

  itkNewMacro(Self);

  static constexpr unsigned int TimeVaryingVelocityFieldDimension = VDimension + 1;

  using typename Superclass::ScalarType;
  using typename Superclass::DerivativeType;
  using DerivativeValueType = typename DerivativeType::ValueType;
  using typename Superclass::VelocityFieldType;
 
  using typename Superclass::TimeVaryingVelocityFieldType;
  using typename Superclass::TimeVaryingVelocityFieldPointer;
 
  using DisplacementVectorType = typename VelocityFieldType::PixelType;
  using DisplacementVectorValueType = typename DisplacementVectorType::ValueType;
 

  itkSetMacro(GaussianSpatialSmoothingVarianceForTheUpdateField, ScalarType);
  itkGetConstReferenceMacro(GaussianSpatialSmoothingVarianceForTheUpdateField, ScalarType);

  itkSetMacro(GaussianTemporalSmoothingVarianceForTheUpdateField, ScalarType);
  itkGetConstReferenceMacro(GaussianTemporalSmoothingVarianceForTheUpdateField, ScalarType);

  itkSetMacro(GaussianSpatialSmoothingVarianceForTheTotalField, ScalarType);
  itkGetConstReferenceMacro(GaussianSpatialSmoothingVarianceForTheTotalField, ScalarType);

  itkSetMacro(GaussianTemporalSmoothingVarianceForTheTotalField, ScalarType);
  itkGetConstReferenceMacro(GaussianTemporalSmoothingVarianceForTheTotalField, ScalarType);

  void
  UpdateTransformParameters(const DerivativeType & update, ScalarType factor = 1.0) override;

  virtual TimeVaryingVelocityFieldPointer
  GaussianSmoothTimeVaryingVelocityField(VelocityFieldType *, ScalarType, ScalarType);
 
protected:
  GaussianSmoothingOnUpdateTimeVaryingVelocityFieldTransform();
  ~GaussianSmoothingOnUpdateTimeVaryingVelocityFieldTransform() override = default;
  void
  PrintSelf(std::ostream & os, Indent indent) const override;

  ModifiedTimeType m_GaussianSmoothingTempFieldModifiedTime{ 0 };

  ScalarType m_GaussianSpatialSmoothingVarianceForTheUpdateField{};
  ScalarType m_GaussianSpatialSmoothingVarianceForTheTotalField{};
  ScalarType m_GaussianTemporalSmoothingVarianceForTheUpdateField{};
  ScalarType m_GaussianTemporalSmoothingVarianceForTheTotalField{};
};
 
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkGaussianSmoothingOnUpdateTimeVaryingVelocityFieldTransform.hxx"
#endif
 
#endif // itkGaussianSmoothingOnUpdateTimeVaryingVelocityFieldTransform_h