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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkPDEDeformableRegistrationFunction.h,v $
Language: C++
Date: $Date: 2005-03-12 01:46:56 $
Version: $Revision: 1.17 $
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef _itkPDEDeformableRegistrationFunction_h_
#define _itkPDEDeformableRegistrationFunction_h_
#include "itkFiniteDifferenceFunction.h"
namespace itk {
/** \class PDEDeformableRegistrationFunction
*
* This is an abstract base class for all PDE functions which drives a
* deformable registration algorithm. It is used by
* PDEDeformationRegistrationFilter subclasses to compute the
* output deformation field which will map a moving image onto
* a fixed image.
*
* This class is templated over the fixed image type, moving image type
* and the deformation field type.
*
* \sa PDEDeformableRegistrationFilter
* \ingroup FiniteDifferenceFunctions
*/
template<class TFixedImage, class TMovingImage, class TDeformationField>
class ITK_EXPORT PDEDeformableRegistrationFunction :
public FiniteDifferenceFunction<TDeformationField>
{
public:
/** Standard class typedefs. */
typedef PDEDeformableRegistrationFunction Self;
typedef FiniteDifferenceFunction<TDeformationField> Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Run-time type information (and related methods) */
itkTypeMacro( PDEDeformableRegistrationFunction,
FiniteDifferenceFunction );
/** MovingImage image type. */
typedef TMovingImage MovingImageType;
typedef typename MovingImageType::ConstPointer MovingImagePointer;
/** FixedImage image type. */
typedef TFixedImage FixedImageType;
typedef typename FixedImageType::ConstPointer FixedImagePointer;
/** Deformation field type. */
typedef TDeformationField DeformationFieldType;
typedef typename DeformationFieldType::Pointer
DeformationFieldTypePointer;
/** Set the moving image. */
void SetMovingImage( const MovingImageType * ptr )
{ m_MovingImage = ptr; }
/** Get the moving image. */
const MovingImageType * GetMovingImage(void) const
{ return m_MovingImage; }
/** Set the fixed image. */
void SetFixedImage( const FixedImageType * ptr )
{ m_FixedImage = ptr; }
/** Get the fixed image. */
const FixedImageType * GetFixedImage(void) const
{ return m_FixedImage; }
/** Set the fixed image. */
void SetDeformationField( DeformationFieldTypePointer ptr )
{ m_DeformationField = ptr; }
/** Get the fixed image. */
DeformationFieldTypePointer GetDeformationField(void)
{ return m_DeformationField; }
void SetEnergy( double e) { m_Energy=e;}
double GetEnergy( ) const { return m_Energy;}
void SetGradientStep( double e) { m_GradientStep = e;}
double GetGradientStep( ) const { return m_GradientStep ;}
void SetNormalizeGradient( bool e) { m_NormalizeGradient=e;}
bool GetNormalizeGradient( ) const { return m_NormalizeGradient;}
protected:
PDEDeformableRegistrationFunction()
{
m_MovingImage = NULL;
m_FixedImage = NULL;
m_DeformationField = NULL;
m_Energy = 0.0;
m_NormalizeGradient = true;
m_GradientStep = 1.0;
}
~PDEDeformableRegistrationFunction() {}
void PrintSelf(std::ostream& os, Indent indent) const
{
Superclass::PrintSelf(os, indent);
os << indent << "MovingImage: ";
os << m_MovingImage.GetPointer() << std::endl;
os << indent << "FixedImage: ";
os << m_FixedImage.GetPointer() << std::endl;
};
/** The moving image. */
MovingImagePointer m_MovingImage;
/** The fixed image. */
FixedImagePointer m_FixedImage;
/** The deformation field. */
DeformationFieldTypePointer m_DeformationField;
mutable double m_Energy;
bool m_NormalizeGradient;
mutable double m_GradientStep;
private:
PDEDeformableRegistrationFunction(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
};
} // end namespace itk
#endif
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