itkPointSetToPointSetMetric.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
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  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.
 *
 *=========================================================================*/
#ifndef itkPointSetToPointSetMetric_h
#define itkPointSetToPointSetMetric_h
 
#include "itkImageBase.h"
#include "itkTransform.h"
#include "itkMultipleValuedCostFunction.h"
#include "itkMacro.h"
#include "itkGradientRecursiveGaussianImageFilter.h"
 
namespace itk
{
 
template <typename TFixedPointSet, typename TMovingPointSet>
class ITK_TEMPLATE_EXPORT PointSetToPointSetMetric : public MultipleValuedCostFunction
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(PointSetToPointSetMetric);

  using Self = PointSetToPointSetMetric;
  using Superclass = MultipleValuedCostFunction;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;

  using CoordinateRepresentationType = Superclass::ParametersValueType;

  itkOverrideGetNameOfClassMacro(PointSetToPointSetMetric);

  using MovingPointSetType = TMovingPointSet;
  using MovingPointSetPixelType = typename TMovingPointSet::PixelType;
  using MovingPointSetConstPointer = typename MovingPointSetType::ConstPointer;

  using FixedPointSetType = TFixedPointSet;
  using FixedPointSetConstPointer = typename FixedPointSetType::ConstPointer;

  static constexpr unsigned int MovingPointSetDimension = TMovingPointSet::PointDimension;
  static constexpr unsigned int FixedPointSetDimension = TFixedPointSet::PointDimension;
 
  using FixedPointIterator = typename FixedPointSetType::PointsContainer::ConstIterator;
  using FixedPointDataIterator = typename FixedPointSetType::PointDataContainer::ConstIterator;
 
  using MovingPointIterator = typename MovingPointSetType::PointsContainer::ConstIterator;
  using MovingPointDataIterator = typename MovingPointSetType::PointDataContainer::ConstIterator;

  using TransformType =
    Transform<CoordinateRepresentationType, Self::MovingPointSetDimension, Self::FixedPointSetDimension>;
 
  using TransformPointer = typename TransformType::Pointer;
  using InputPointType = typename TransformType::InputPointType;
  using OutputPointType = typename TransformType::OutputPointType;
  using TransformParametersType = typename TransformType::ParametersType;
  using TransformJacobianType = typename TransformType::JacobianType;

  using MeasureType = Superclass::MeasureType;

  using DerivativeType = Superclass::DerivativeType;

  using ParametersType = Superclass::ParametersType;

  itkSetConstObjectMacro(FixedPointSet, FixedPointSetType);
  itkGetConstObjectMacro(FixedPointSet, FixedPointSetType);

  itkSetConstObjectMacro(MovingPointSet, MovingPointSetType);
  itkGetConstObjectMacro(MovingPointSet, MovingPointSetType);

  itkSetObjectMacro(Transform, TransformType);

  itkGetModifiableObjectMacro(Transform, TransformType);

  void
  SetTransformParameters(const ParametersType & parameters) const;

  unsigned int
  GetNumberOfParameters() const override
  {
    return m_Transform->GetNumberOfParameters();
  }

  virtual void
  Initialize();
 
protected:
  PointSetToPointSetMetric();
  ~PointSetToPointSetMetric() override = default;
  void
  PrintSelf(std::ostream & os, Indent indent) const override;
 
  FixedPointSetConstPointer m_FixedPointSet{};
 
  MovingPointSetConstPointer m_MovingPointSet{};
 
  mutable TransformPointer m_Transform{};
};
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkPointSetToPointSetMetric.hxx"
#endif
 
#endif