Main Page   Groups   Namespace List   Class Hierarchy   Alphabetical List   Compound List   File List   Namespace Members   Compound Members   File Members   Concepts

itkVectorGradientNDAnisotropicDiffusionFunction.h

Go to the documentation of this file.
00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkVectorGradientNDAnisotropicDiffusionFunction.h,v $
00005   Language:  C++
00006   Date:      $Date: 2002/09/11 19:39:03 $
00007   Version:   $Revision: 1.4 $
00008 
00009   Copyright (c) 2002 Insight 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 __itkVectorGradientNDAnisotropicDiffusionFunction_h_
00018 #define __itkVectorGradientNDAnisotropicDiffusionFunction_h_
00019 
00020 #include "itkVectorAnisotropicDiffusionFunction.h"
00021 #include "itkNeighborhoodAlgorithm.h"
00022 #include "itkVectorNeighborhoodInnerProduct.h"
00023 #include "itkDerivativeOperator.h"
00024 
00025 namespace itk {
00026 
00033 template <class TImage>
00034 class VectorGradientNDAnisotropicDiffusionFunction :
00035     public VectorAnisotropicDiffusionFunction<TImage>
00036 {
00037 public:
00039   typedef VectorGradientNDAnisotropicDiffusionFunction Self;
00040   typedef VectorAnisotropicDiffusionFunction<TImage> Superclass;
00041   typedef SmartPointer<Self> Pointer;
00042   typedef SmartPointer<const Self> ConstPointer;
00043 
00045   itkNewMacro(Self);
00046 
00048   itkTypeMacro( VectorGradientNDAnisotropicDiffusionFunction,
00049                 ScalarAnisotropicDiffusionFunction );
00050   
00052   typedef typename Superclass::ImageType        ImageType;
00053   typedef typename Superclass::PixelType        PixelType;
00054   typedef typename Superclass::TimeStepType     TimeStepType;
00055   typedef typename Superclass::RadiusType       RadiusType;
00056   typedef typename Superclass::NeighborhoodType NeighborhoodType;
00057   typedef typename Superclass::BoundaryNeighborhoodType
00058           BoundaryNeighborhoodType;
00059   typedef typename Superclass::FloatOffsetType FloatOffsetType;
00060 
00062   itkStaticConstMacro(ImageDimension, unsigned int,
00063                       Superclass::ImageDimension );
00064   itkStaticConstMacro(VectorDimension, unsigned int,
00065                       Superclass::VectorDimension );
00066 
00068   typedef typename PixelType::ValueType  ScalarValueType;
00069 
00071   virtual PixelType ComputeUpdate(const NeighborhoodType &neighborhood,
00072                                   void * globalData,
00073                                   const FloatOffsetType& offset = m_ZeroOffset
00074                                   ) const;
00075   virtual PixelType ComputeUpdate(const BoundaryNeighborhoodType
00076                                   &neighborhood, void * globalData,
00077                                   const FloatOffsetType& offset = m_ZeroOffset
00078                                   ) const;
00079 
00081   virtual void InitializeIteration()
00082     {
00083       m_K = this->GetAverageGradientMagnitudeSquared() *
00084         this->GetConductanceParameter() * -1.0f;
00085     }
00086   
00087 protected:
00088   VectorGradientNDAnisotropicDiffusionFunction();
00089   ~VectorGradientNDAnisotropicDiffusionFunction() {}
00090 
00091 private:
00092   VectorGradientNDAnisotropicDiffusionFunction(const Self&); //purposely not implemented
00093   void operator=(const Self&); //purposely not implemented
00094 
00096   VectorNeighborhoodInnerProduct<ImageType> m_InnerProduct;
00097 
00099   SmartVectorNeighborhoodInnerProduct<ImageType> m_SmartInnerProduct;
00100 
00102   std::slice  x_slice[ImageDimension];
00103   std::slice xa_slice[ImageDimension][ImageDimension];
00104   std::slice xd_slice[ImageDimension][ImageDimension];
00105 
00107   DerivativeOperator<ScalarValueType,
00108                      itkGetStaticConstMacro(ImageDimension)> dx_op;
00109 
00111   ScalarValueType m_K;
00112 
00113   static double m_MIN_NORM;
00114   
00115   unsigned long int m_Stride[ImageDimension];
00116   unsigned long int m_Center;
00117   
00118 };
00119 
00120 
00121   
00122 }// end namespace itk
00123 
00124 #ifndef ITK_MANUAL_INSTANTIATION
00125 #include "itkVectorGradientNDAnisotropicDiffusionFunction.txx"
00126 #endif
00127 
00128 #endif

Generated at Wed Mar 12 01:13:12 2003 for ITK by doxygen 1.2.15 written by Dimitri van Heesch, © 1997-2000