itkRegistrationParameterScalesFromJacobian.h

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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
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 *         http://www.apache.org/licenses/LICENSE-2.0.txt
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 *  See the License for the specific language governing permissions and
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#ifndef itkRegistrationParameterScalesFromJacobian_h
#define itkRegistrationParameterScalesFromJacobian_h

#include "itkRegistrationParameterScalesEstimator.h"

namespace itk
{

template < typename TMetric >
class ITK_TEMPLATE_EXPORT RegistrationParameterScalesFromJacobian :
  public RegistrationParameterScalesEstimator< TMetric >
{
public:
  typedef RegistrationParameterScalesFromJacobian         Self;
  typedef RegistrationParameterScalesEstimator< TMetric > Superclass;
  typedef SmartPointer<Self>                              Pointer;
  typedef SmartPointer<const Self>                        ConstPointer;

  itkNewMacro( Self );

  itkTypeMacro( RegistrationParameterScalesFromJacobian, RegistrationParameterScalesEstimator );

  typedef typename Superclass::ScalesType                ScalesType;

  typedef typename Superclass::ParametersType            ParametersType;

  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;

  virtual void EstimateScales(ScalesType &scales) ITK_OVERRIDE;

  virtual FloatType EstimateStepScale(const ParametersType &step) ITK_OVERRIDE;

  virtual void EstimateLocalStepScales(const ParametersType &step,
    ScalesType &localStepScales) ITK_OVERRIDE;

protected:
  RegistrationParameterScalesFromJacobian();
  ~RegistrationParameterScalesFromJacobian() ITK_OVERRIDE {};

  virtual void PrintSelf(std::ostream & os, Indent indent) const ITK_OVERRIDE;

  void ComputeSampleStepScales(const ParametersType &step, ScalesType &sampleScales);

private:
  ITK_DISALLOW_COPY_AND_ASSIGN(RegistrationParameterScalesFromJacobian);

}; //class RegistrationParameterScalesFromJacobian


}  // namespace itk


#ifndef ITK_MANUAL_INSTANTIATION
#include "itkRegistrationParameterScalesFromJacobian.hxx"
#endif

#endif /* itkRegistrationParameterScalesFromJacobian_h */