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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 itkRegistrationParameterScalesFromIndexShift_h
#define itkRegistrationParameterScalesFromIndexShift_h
#include "itkRegistrationParameterScalesFromShiftBase.h"
namespace itk
{
/**
* \class RegistrationParameterScalesFromIndexShift
* \brief Registration helper class for estimating scales of
* transform parameters from the maximum voxel shift in image index space
* caused by a parameter change.
*
* \ingroup ITKOptimizersv4
*/
template <typename TMetric>
class ITK_TEMPLATE_EXPORT RegistrationParameterScalesFromIndexShift
: public RegistrationParameterScalesFromShiftBase<TMetric>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(RegistrationParameterScalesFromIndexShift);
/** Standard class type aliases. */
using Self = RegistrationParameterScalesFromIndexShift;
using Superclass = RegistrationParameterScalesFromShiftBase<TMetric>;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(RegistrationParameterScalesFromIndexShift);
/** Type of scales */
using typename Superclass::ScalesType;
/** Type of parameters of the optimizer */
using typename Superclass::ParametersType;
/** Type of float */
using typename Superclass::FloatType;
using typename Superclass::VirtualPointType;
using typename Superclass::VirtualIndexType;
using typename Superclass::MovingTransformType;
using typename Superclass::FixedTransformType;
using typename Superclass::JacobianType;
using typename Superclass::VirtualImageConstPointer;
using FixedImageType = typename TMetric::FixedImageType;
using MovingImageType = typename TMetric::MovingImageType;
using FixedImageConstPointer = typename FixedImageType::ConstPointer;
using MovingImageConstPointer = typename MovingImageType::ConstPointer;
using FixedPointType = typename FixedImageType::PointType;
using FixedIndexType = typename FixedImageType::IndexType;
using FixedPointValueType = typename FixedImageType::PointValueType;
using FixedContinuousIndexType = typename itk::ContinuousIndex<FixedPointValueType, FixedImageType::ImageDimension>;
using MovingPointType = typename MovingImageType::PointType;
using MovingIndexType = typename MovingImageType::IndexType;
using MovingPointValueType = typename MovingImageType::PointValueType;
using MovingContinuousIndexType =
typename itk::ContinuousIndex<MovingPointValueType, MovingImageType::ImageDimension>;
protected:
RegistrationParameterScalesFromIndexShift() = default;
~RegistrationParameterScalesFromIndexShift() override = default;
void
PrintSelf(std::ostream & os, Indent indent) const override;
void
ComputeSampleShifts(const ParametersType & deltaParameters, ScalesType & sampleShifts) override;
template <typename TContinuousIndexType>
void
TransformPointToContinuousIndex(const VirtualPointType & point, TContinuousIndexType & mappedIndex);
private:
template <typename TTransform>
void
ComputeSampleShiftsInternal(const ParametersType & deltaParameters, ScalesType & sampleShifts);
}; // class RegistrationParameterScalesFromIndexShift
} // namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "itkRegistrationParameterScalesFromIndexShift.hxx"
#endif
#endif /* itkRegistrationParameterScalesFromIndexShift_h */
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