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itkPointSetToImageMetric.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkPointSetToImageMetric.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-01-26 21:45:56 $
00007   Version:   $Revision: 1.8 $
00008 
00009   Copyright (c) Insight Software Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012      This software is distributed WITHOUT ANY WARRANTY; without even 
00013      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00014      PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 #ifndef __itkPointSetToImageMetric_h
00018 #define __itkPointSetToImageMetric_h
00019 
00020 #include "itkImageBase.h"
00021 #include "itkTransform.h"
00022 #include "itkInterpolateImageFunction.h"
00023 #include "itkSingleValuedCostFunction.h"
00024 #include "itkExceptionObject.h"
00025 #include "itkGradientRecursiveGaussianImageFilter.h"
00026 
00027 namespace itk
00028 {
00029   
00046 template <class TFixedPointSet,  class TMovingImage> 
00047 class ITK_EXPORT PointSetToImageMetric : public SingleValuedCostFunction 
00048 {
00049 public:
00051   typedef PointSetToImageMetric           Self;
00052   typedef SingleValuedCostFunction        Superclass;
00053   typedef SmartPointer<Self>              Pointer;
00054   typedef SmartPointer<const Self>        ConstPointer;
00055 
00057   typedef Superclass::ParametersValueType CoordinateRepresentationType;
00058 
00060   itkTypeMacro(PointSetToImageMetric, SingleValuedCostFunction);
00061 
00063   typedef TMovingImage                               MovingImageType;
00064   typedef typename TMovingImage::PixelType           MovingImagePixelType;
00065   typedef typename MovingImageType::ConstPointer     MovingImageConstPointer;
00066 
00068   typedef TFixedPointSet                             FixedPointSetType;
00069   typedef typename FixedPointSetType::ConstPointer   FixedPointSetConstPointer;
00070 
00072   itkStaticConstMacro(MovingImageDimension, unsigned int,
00073                       TMovingImage::ImageDimension);
00074   itkStaticConstMacro(FixedPointSetDimension, unsigned int,
00075                       TFixedPointSet::PointDimension);
00077 
00078   typedef typename FixedPointSetType::PointsContainer::ConstIterator        PointIterator;
00079   typedef typename FixedPointSetType::PointDataContainer::ConstIterator     PointDataIterator;
00080 
00082   typedef Transform<CoordinateRepresentationType, 
00083                     itkGetStaticConstMacro(MovingImageDimension),
00084                     itkGetStaticConstMacro(FixedPointSetDimension)> TransformType;
00085 
00086   typedef typename TransformType::Pointer            TransformPointer;
00087   typedef typename TransformType::InputPointType     InputPointType;
00088   typedef typename TransformType::OutputPointType    OutputPointType;
00089   typedef typename TransformType::ParametersType     TransformParametersType;
00090   typedef typename TransformType::JacobianType       TransformJacobianType;
00091 
00093   typedef InterpolateImageFunction<
00094     MovingImageType,
00095     CoordinateRepresentationType > InterpolatorType;
00096 
00097 
00099   typedef typename NumericTraits<MovingImagePixelType>::RealType RealType;
00100   typedef CovariantVector<RealType,
00101                           itkGetStaticConstMacro(MovingImageDimension)> GradientPixelType;
00102   typedef Image<GradientPixelType,
00103                 itkGetStaticConstMacro(MovingImageDimension)> GradientImageType;
00104   typedef SmartPointer<GradientImageType>     GradientImagePointer;
00105   typedef GradientRecursiveGaussianImageFilter< MovingImageType,
00106                                                 GradientImageType >
00107   GradientImageFilterType;  
00108   typedef typename GradientImageFilterType::Pointer GradientImageFilterPointer;
00110 
00111 
00112   typedef typename InterpolatorType::Pointer         InterpolatorPointer;
00113 
00115   typedef Superclass::MeasureType                    MeasureType;
00116 
00118   typedef Superclass::DerivativeType                 DerivativeType;
00119 
00121   typedef Superclass::ParametersType                 ParametersType;
00122 
00124   itkSetConstObjectMacro( FixedPointSet, FixedPointSetType );
00125 
00127   itkGetConstObjectMacro( FixedPointSet, FixedPointSetType );
00128 
00130   itkSetConstObjectMacro( MovingImage, MovingImageType );
00131 
00133   itkGetConstObjectMacro( MovingImage, MovingImageType );
00134 
00136   itkSetObjectMacro( Transform, TransformType );
00137 
00139   itkGetObjectMacro( Transform, TransformType );
00140 
00142   itkSetObjectMacro( Interpolator, InterpolatorType );
00143 
00145   itkGetObjectMacro( Interpolator, InterpolatorType );
00146 
00148   itkGetConstObjectMacro( GradientImage, GradientImageType );
00149 
00151   itkGetConstReferenceMacro( NumberOfPixelsCounted, unsigned long );
00152 
00154   void SetTransformParameters( const ParametersType & parameters ) const;
00155 
00163   itkSetMacro(      ComputeGradient, bool );
00164   itkGetConstReferenceMacro( ComputeGradient, bool );
00166 
00168   unsigned int GetNumberOfParameters(void) const 
00169   { return m_Transform->GetNumberOfParameters(); }
00170 
00173   virtual void Initialize(void) throw ( ExceptionObject );
00174 
00175 protected:
00176   PointSetToImageMetric();
00177   virtual ~PointSetToImageMetric() {};
00178   void PrintSelf(std::ostream& os, Indent indent) const;
00179 
00180   mutable unsigned long       m_NumberOfPixelsCounted;
00181 
00182   FixedPointSetConstPointer   m_FixedPointSet;
00183   MovingImageConstPointer     m_MovingImage;
00184 
00185   mutable TransformPointer    m_Transform;
00186   InterpolatorPointer         m_Interpolator;
00187 
00188   bool                        m_ComputeGradient;
00189   GradientImagePointer        m_GradientImage;
00190 
00191 private:
00192   PointSetToImageMetric(const Self&); //purposely not implemented
00193   void operator=(const Self&); //purposely not implemented
00194   
00195 };
00196 
00197 } // end namespace itk
00198 
00199 #ifndef ITK_MANUAL_INSTANTIATION
00200 #include "itkPointSetToImageMetric.txx"
00201 #endif
00202 
00203 #endif
00204 

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