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itkImageToImageMetric.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkImageToImageMetric.h,v $
00005   Language:  C++
00006   Date:      $Date: 2006/06/29 01:25:50 $
00007   Version:   $Revision: 1.23 $
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 __itkImageToImageMetric_h
00018 #define __itkImageToImageMetric_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 #include "itkSpatialObject.h"
00027 
00028 namespace itk
00029 {
00030   
00050 template <class TFixedImage,  class TMovingImage> 
00051 class ITK_EXPORT ImageToImageMetric : public SingleValuedCostFunction 
00052 {
00053 public:
00055   typedef ImageToImageMetric              Self;
00056   typedef SingleValuedCostFunction        Superclass;
00057   typedef SmartPointer<Self>              Pointer;
00058   typedef SmartPointer<const Self>        ConstPointer;
00059 
00061   typedef Superclass::ParametersValueType CoordinateRepresentationType;
00062 
00064   itkTypeMacro(ImageToImageMetric, SingleValuedCostFunction);
00065 
00067   typedef TMovingImage                               MovingImageType;
00068   typedef typename TMovingImage::PixelType           MovingImagePixelType;
00069   typedef typename MovingImageType::ConstPointer     MovingImageConstPointer;
00070 
00072   typedef TFixedImage                                FixedImageType;
00073   typedef typename FixedImageType::ConstPointer      FixedImageConstPointer;
00074   typedef typename FixedImageType::RegionType        FixedImageRegionType;
00075 
00077   itkStaticConstMacro(MovingImageDimension, unsigned int,
00078                       TMovingImage::ImageDimension);
00079   itkStaticConstMacro(FixedImageDimension, unsigned int,
00080                       TFixedImage::ImageDimension);
00082 
00084   typedef Transform<CoordinateRepresentationType, 
00085                     itkGetStaticConstMacro(MovingImageDimension),
00086                     itkGetStaticConstMacro(FixedImageDimension)> TransformType;
00087 
00088   typedef typename TransformType::Pointer            TransformPointer;
00089   typedef typename TransformType::InputPointType     InputPointType;
00090   typedef typename TransformType::OutputPointType    OutputPointType;
00091   typedef typename TransformType::ParametersType     TransformParametersType;
00092   typedef typename TransformType::JacobianType       TransformJacobianType;
00093 
00095   typedef InterpolateImageFunction<
00096     MovingImageType,
00097     CoordinateRepresentationType > InterpolatorType;
00098 
00099 
00101   typedef typename NumericTraits<MovingImagePixelType>::RealType RealType;
00102   typedef CovariantVector<RealType,
00103                           itkGetStaticConstMacro(MovingImageDimension)> GradientPixelType;
00104   typedef Image<GradientPixelType,
00105                 itkGetStaticConstMacro(MovingImageDimension)> GradientImageType;
00106   typedef SmartPointer<GradientImageType>     GradientImagePointer;
00107   typedef GradientRecursiveGaussianImageFilter< MovingImageType,
00108                                                 GradientImageType >
00109   GradientImageFilterType;  
00110   typedef typename GradientImageFilterType::Pointer GradientImageFilterPointer;
00112 
00113 
00114   typedef typename InterpolatorType::Pointer         InterpolatorPointer;
00115 
00116 
00117 
00120   typedef SpatialObject< itkGetStaticConstMacro(FixedImageDimension)
00121                                              >       FixedImageMaskType;
00122   typedef typename  FixedImageMaskType::Pointer      FixedImageMaskPointer;
00123 
00126   typedef SpatialObject< itkGetStaticConstMacro(MovingImageDimension)
00127                                               >      MovingImageMaskType;
00128   typedef typename  MovingImageMaskType::Pointer     MovingImageMaskPointer;
00129 
00130 
00131 
00133   typedef Superclass::MeasureType                    MeasureType;
00134 
00136   typedef Superclass::DerivativeType                 DerivativeType;
00137 
00139   typedef Superclass::ParametersType                 ParametersType;
00140 
00142   itkSetConstObjectMacro( FixedImage, FixedImageType );
00143 
00145   itkGetConstObjectMacro( FixedImage, FixedImageType );
00146 
00148   itkSetConstObjectMacro( MovingImage, MovingImageType );
00149 
00151   itkGetConstObjectMacro( MovingImage, MovingImageType );
00152 
00154   itkSetObjectMacro( Transform, TransformType );
00155 
00157   itkGetConstObjectMacro( Transform, TransformType );
00158 
00160   itkSetObjectMacro( Interpolator, InterpolatorType );
00161 
00163   itkGetConstObjectMacro( Interpolator, InterpolatorType );
00164 
00166   itkGetConstReferenceMacro( NumberOfPixelsCounted, unsigned long );
00167 
00169   itkSetMacro( FixedImageRegion, FixedImageRegionType );
00170 
00172   itkGetConstReferenceMacro( FixedImageRegion, FixedImageRegionType );
00173 
00175   itkSetObjectMacro( MovingImageMask, MovingImageMaskType );
00176   itkGetConstObjectMacro( MovingImageMask, MovingImageMaskType );
00178 
00180   itkSetObjectMacro( FixedImageMask, FixedImageMaskType );
00181   itkGetConstObjectMacro( FixedImageMask, FixedImageMaskType );
00183 
00185   itkSetMacro( ComputeGradient, bool);
00186   itkGetConstReferenceMacro( ComputeGradient, bool);
00187   itkBooleanMacro(ComputeGradient);
00189 
00191   virtual void ComputeGradient();
00192 
00194   itkGetConstObjectMacro( GradientImage, GradientImageType );
00195 
00197   void SetTransformParameters( const ParametersType & parameters ) const;
00198 
00200   unsigned int GetNumberOfParameters(void) const 
00201   { return m_Transform->GetNumberOfParameters(); }
00202 
00205   virtual void Initialize(void) throw ( ExceptionObject );
00206 
00207 protected:
00208   ImageToImageMetric();
00209   virtual ~ImageToImageMetric() {};
00210   void PrintSelf(std::ostream& os, Indent indent) const;
00211 
00212   mutable unsigned long       m_NumberOfPixelsCounted;
00213 
00214   FixedImageConstPointer      m_FixedImage;
00215   MovingImageConstPointer     m_MovingImage;
00216 
00217   mutable TransformPointer    m_Transform;
00218   InterpolatorPointer         m_Interpolator;
00219 
00220   bool                        m_ComputeGradient;
00221   GradientImagePointer        m_GradientImage;
00222 
00223   mutable FixedImageMaskPointer   m_FixedImageMask;
00224   mutable MovingImageMaskPointer  m_MovingImageMask;
00225 
00226 private:
00227   ImageToImageMetric(const Self&); //purposely not implemented
00228   void operator=(const Self&); //purposely not implemented
00229   
00230   FixedImageRegionType        m_FixedImageRegion;  
00231 
00232 
00233 };
00234 
00235 } // end namespace itk
00236 
00237 #ifndef ITK_MANUAL_INSTANTIATION
00238 #include "itkImageToImageMetric.txx"
00239 #endif
00240 
00241 #endif
00242 
00243 
00244 
00245 

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