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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* 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
*
* http://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 RegistrationParameterScalesFromIndexShift :
public RegistrationParameterScalesFromShiftBase< TMetric >
{
public:
/** Standard class typedefs. */
typedef RegistrationParameterScalesFromIndexShift Self;
typedef RegistrationParameterScalesFromShiftBase< TMetric > 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( RegistrationParameterScalesFromIndexShift, RegistrationParameterScalesFromShiftBase );
/** Type of scales */
typedef typename Superclass::ScalesType ScalesType;
/** Type of parameters of the optimizer */
typedef typename Superclass::ParametersType ParametersType;
/** Type of float */
typedef typename Superclass::FloatType FloatType;
typedef typename Superclass::VirtualPointType VirtualPointType;
typedef typename Superclass::VirtualIndexType VirtualIndexType;
typedef typename Superclass::MovingTransformType MovingTransformType;
typedef typename Superclass::FixedTransformType FixedTransformType;
typedef typename Superclass::JacobianType JacobianType;
typedef typename Superclass::VirtualImageConstPointer VirtualImageConstPointer;
typedef typename TMetric::FixedImageType FixedImageType;
typedef typename TMetric::MovingImageType MovingImageType;
typedef typename FixedImageType::ConstPointer FixedImageConstPointer;
typedef typename MovingImageType::ConstPointer MovingImageConstPointer;
typedef typename FixedImageType::PointType FixedPointType;
typedef typename FixedImageType::IndexType FixedIndexType;
typedef typename FixedImageType::PointValueType FixedPointValueType;
typedef typename itk::ContinuousIndex< FixedPointValueType, FixedImageType::ImageDimension > FixedContinuousIndexType;
typedef typename MovingImageType::PointType MovingPointType;
typedef typename MovingImageType::IndexType MovingIndexType;
typedef typename MovingImageType::PointValueType MovingPointValueType;
typedef typename itk::ContinuousIndex< MovingPointValueType, MovingImageType::ImageDimension > MovingContinuousIndexType;
protected:
RegistrationParameterScalesFromIndexShift();
~RegistrationParameterScalesFromIndexShift(){};
virtual void PrintSelf(std::ostream &os, Indent indent) const;
virtual void ComputeSampleShifts(const ParametersType &deltaParameters, ScalesType &localShifts);
template<typename TContinuousIndexType>
void TransformPointToContinuousIndex(const VirtualPointType &point, TContinuousIndexType &mappedIndex);
private:
RegistrationParameterScalesFromIndexShift(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
template <typename TTransform>
void ComputeSampleShiftsInternal(const ParametersType &deltaParameters, ScalesType &localShifts);
}; //class RegistrationParameterScalesFromIndexShift
} // namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkRegistrationParameterScalesFromIndexShift.hxx"
#endif
#endif /* __itkRegistrationParameterScalesFromIndexShift_h */
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