/usr/include/ITK-4.5/itkRegistrationParameterScalesFromShiftBase.h is in libinsighttoolkit4-dev 4.5.0-3.
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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 __itkRegistrationParameterScalesFromShiftBase_h
#define __itkRegistrationParameterScalesFromShiftBase_h
#include "itkRegistrationParameterScalesEstimator.h"
namespace itk
{
/** \class RegistrationParameterScalesFromShiftBase
* \brief Registration helper base class for estimating scales of
* transform parameters from the maximum voxel shift caused by a parameter
* change.
*
* Derived classes provide estimation using physical or index space.
*
* The scale of a parameter is estimated from the maximum voxel shift produced
* from a small variation of this parameter. The maximization is done by checking
* sample points within the metric's virtual domain. Sample points are generated
* differently depending on the type of metric transform or metric type.
* See RegistrationParameterScalesEstimator documentation.
*
* \sa RegistrationParameterScalesEstimator
* \ingroup ITKOptimizersv4
*/
template < typename TMetric >
class RegistrationParameterScalesFromShiftBase :
public RegistrationParameterScalesEstimator< TMetric >
{
public:
/** Standard class typedefs. */
typedef RegistrationParameterScalesFromShiftBase Self;
typedef RegistrationParameterScalesEstimator< TMetric > Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Run-time type information (and related methods). */
itkTypeMacro( RegistrationParameterScalesFromShiftBase, RegistrationParameterScalesEstimator );
/** Type of scales */
typedef typename Superclass::ScalesType ScalesType;
/** Type of parameters of the optimizer */
typedef typename Superclass::ParametersType ParametersType;
typedef typename ParametersType::ValueType ParametersValueType;
/** 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;
/** Estimate parameter scales */
virtual void EstimateScales(ScalesType &scales);
/** Estimate the scale of a step */
virtual FloatType EstimateStepScale(const ParametersType &step);
/** Estimate the scales of local steps */
virtual void EstimateLocalStepScales(const ParametersType &step,
ScalesType &localStepScales);
/** Set/get small parameter variation */
itkSetMacro( SmallParameterVariation, ParametersValueType );
itkGetConstMacro( SmallParameterVariation, ParametersValueType );
protected:
RegistrationParameterScalesFromShiftBase();
~RegistrationParameterScalesFromShiftBase(){};
virtual void PrintSelf(std::ostream &os, Indent indent) const;
/** Compute the shift in voxels when deltaParameters is applied onto the
* current parameters. */
virtual FloatType ComputeMaximumVoxelShift(const ParametersType &deltaParameters);
/** Compute the sample shifts.
*/
virtual void ComputeSampleShifts(const ParametersType &deltaParameters, ScalesType &localShifts) = 0;
private:
RegistrationParameterScalesFromShiftBase(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
//A small variation of parameters
ParametersValueType m_SmallParameterVariation;
}; //class RegistrationParameterScalesFromShiftBase
} // namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkRegistrationParameterScalesFromShiftBase.hxx"
#endif
#endif /* __itkRegistrationParameterScalesFromShiftBase_h */
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