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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: 2003/10/09 21:11:27 $
00007   Version:   $Revision: 1.19 $
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);
00081   
00083   typedef Transform<CoordinateRepresentationType, 
00084                     itkGetStaticConstMacro(MovingImageDimension),
00085                     itkGetStaticConstMacro(FixedImageDimension)> TransformType;
00086 
00087   typedef typename TransformType::Pointer            TransformPointer;
00088   typedef typename TransformType::InputPointType     InputPointType;
00089   typedef typename TransformType::OutputPointType    OutputPointType;
00090   typedef typename TransformType::ParametersType     TransformParametersType;
00091   typedef typename TransformType::JacobianType       TransformJacobianType;
00092 
00094   typedef InterpolateImageFunction<
00095     MovingImageType,
00096     CoordinateRepresentationType > InterpolatorType;
00097 
00098 
00100   typedef typename NumericTraits<MovingImagePixelType>::RealType RealType;
00101   typedef CovariantVector<RealType,
00102                           itkGetStaticConstMacro(MovingImageDimension)> GradientPixelType;
00103   typedef Image<GradientPixelType,
00104                 itkGetStaticConstMacro(MovingImageDimension)> GradientImageType;
00105   typedef SmartPointer<GradientImageType>     GradientImagePointer;
00106   typedef GradientRecursiveGaussianImageFilter< MovingImageType,
00107                                                 GradientImageType >
00108   GradientImageFilterType;  
00109   typedef typename GradientImageFilterType::Pointer GradientImageFilterPointer;
00110 
00111 
00112   typedef typename InterpolatorType::Pointer         InterpolatorPointer;
00113 
00114 
00115 
00118   typedef SpatialObject< itkGetStaticConstMacro(FixedImageDimension)
00119                                              >       FixedImageMaskType;
00120   typedef typename  FixedImageMaskType::Pointer      FixedImageMaskPointer;
00121 
00124   typedef SpatialObject< itkGetStaticConstMacro(MovingImageDimension)
00125                                               >      MovingImageMaskType;
00126   typedef typename  MovingImageMaskType::Pointer     MovingImageMaskPointer;
00127 
00128 
00129 
00131   typedef Superclass::MeasureType                    MeasureType;
00132 
00134   typedef Superclass::DerivativeType                 DerivativeType;
00135 
00137   typedef Superclass::ParametersType                 ParametersType;
00138 
00140   itkSetConstObjectMacro( FixedImage, FixedImageType );
00141 
00143   itkGetConstObjectMacro( FixedImage, FixedImageType );
00144 
00146   itkSetConstObjectMacro( MovingImage, MovingImageType );
00147 
00149   itkGetConstObjectMacro( MovingImage, MovingImageType );
00150 
00152   itkSetObjectMacro( Transform, TransformType );
00153 
00155   itkGetObjectMacro( Transform, TransformType );
00156  
00158   itkSetObjectMacro( Interpolator, InterpolatorType );
00159 
00161   itkGetObjectMacro( Interpolator, InterpolatorType );
00162 
00164   itkGetConstMacro( NumberOfPixelsCounted, unsigned long );
00165 
00167   itkSetMacro( FixedImageRegion, FixedImageRegionType );
00168 
00170   itkGetConstMacro( FixedImageRegion, FixedImageRegionType );
00171  
00173   itkSetObjectMacro( MovingImageMask, MovingImageMaskType );
00174   itkGetObjectMacro( MovingImageMask, MovingImageMaskType );
00175 
00177   itkSetObjectMacro( FixedImageMask, FixedImageMaskType );
00178   itkGetObjectMacro( FixedImageMask, FixedImageMaskType );
00179 
00180 
00182   void SetTransformParameters( const ParametersType & parameters ) const;
00183 
00185   unsigned int GetNumberOfParameters(void) const 
00186   { return m_Transform->GetNumberOfParameters(); }
00187 
00190   virtual void Initialize(void) throw ( ExceptionObject );
00191 
00192 protected:
00193   ImageToImageMetric();
00194   virtual ~ImageToImageMetric() {};
00195   void PrintSelf(std::ostream& os, Indent indent) const;
00196 
00197   mutable unsigned long       m_NumberOfPixelsCounted;
00198 
00199   FixedImageConstPointer      m_FixedImage;
00200   MovingImageConstPointer     m_MovingImage;
00201 
00202   mutable TransformPointer    m_Transform;
00203   InterpolatorPointer         m_Interpolator;
00204 
00205   bool                        m_ComputeGradient;
00206   GradientImagePointer        m_GradientImage;
00207 
00208   mutable FixedImageMaskPointer   m_FixedImageMask;
00209   mutable MovingImageMaskPointer  m_MovingImageMask;
00210 
00211 private:
00212   ImageToImageMetric(const Self&); //purposely not implemented
00213   void operator=(const Self&); //purposely not implemented
00214   
00215   FixedImageRegionType        m_FixedImageRegion;  
00216 
00217 
00218 };
00219 
00220 } // end namespace itk
00221 
00222 #ifndef ITK_MANUAL_INSTANTIATION
00223 #include "itkImageToImageMetric.txx"
00224 #endif
00225 
00226 #endif
00227 
00228 
00229 

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