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itkBSplineDecompositionImageFilter.h

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00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkBSplineDecompositionImageFilter.h,v $ 00005 Language: C++ 00006 Date: $Date: 2003/09/10 14:28:43 $ 00007 Version: $Revision: 1.6 $ 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 Portions of this code are covered under the VTK copyright. 00013 See VTKCopyright.txt or http://www.kitware.com/VTKCopyright.htm for details. 00014 00015 This software is distributed WITHOUT ANY WARRANTY; without even 00016 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 00017 PURPOSE. See the above copyright notices for more information. 00018 00019 =========================================================================*/ 00020 00021 #ifndef __itkBSplineDecompositionImageFilter_h 00022 #define __itkBSplineDecompositionImageFilter_h 00023 00024 #include <vector> 00025 00026 #include "itkImageLinearIteratorWithIndex.h" 00027 #include "vnl/vnl_matrix.h" 00028 00029 #include "itkImageToImageFilter.h" 00030 00031 namespace itk 00032 { 00065 template <class TInputImage, class TOutputImage> 00066 class ITK_EXPORT BSplineDecompositionImageFilter : 00067 public ImageToImageFilter<TInputImage,TOutputImage> 00068 { 00069 public: 00071 typedef BSplineDecompositionImageFilter Self; 00072 typedef ImageToImageFilter<TInputImage,TOutputImage> Superclass; 00073 typedef SmartPointer<Self> Pointer; 00074 typedef SmartPointer<const Self> ConstPointer; 00075 00077 itkTypeMacro(BSplineDecompositionImageFilter, ImageToImageFilter); 00078 00080 itkNewMacro( Self ); 00081 00083 typedef typename Superclass::InputImageType InputImageType; 00084 typedef typename Superclass::InputImagePointer InputImagePointer; 00085 typedef typename Superclass::InputImageConstPointer InputImageConstPointer; 00086 typedef typename Superclass::OutputImagePointer OutputImagePointer; 00087 00089 itkStaticConstMacro(ImageDimension, unsigned int,TInputImage::ImageDimension); 00090 00092 typedef itk::ImageLinearIteratorWithIndex<TOutputImage> OutputLinearIterator; 00093 00096 void SetSplineOrder(unsigned int SplineOrder); 00097 itkGetMacro(SplineOrder, int); 00098 00099 00100 protected: 00101 BSplineDecompositionImageFilter(); 00102 virtual ~BSplineDecompositionImageFilter() {}; 00103 void PrintSelf(std::ostream& os, Indent indent) const; 00104 00105 void GenerateData( ); 00106 00108 void GenerateInputRequestedRegion(); 00109 00111 void EnlargeOutputRequestedRegion( DataObject *output ); 00112 00114 std::vector<double> m_Scratch; // temp storage for processing of Coefficients 00115 typename TInputImage::SizeType m_DataLength; // Image size 00116 unsigned int m_SplineOrder; // User specified spline order (3rd or cubic is the default) 00117 double m_SplinePoles[3];// Poles calculated for a given spline order 00118 int m_NumberOfPoles; // number of poles 00119 double m_Tolerance; // Tolerance used for determining initial causal coefficient 00120 unsigned int m_IteratorDirection; // Direction for iterator incrementing 00121 00122 00123 private: 00124 BSplineDecompositionImageFilter( const Self& ); //purposely not implemented 00125 void operator=( const Self& ); //purposely not implemented 00126 00128 virtual void SetPoles(); 00129 00131 virtual bool DataToCoefficients1D(); 00132 00135 void DataToCoefficientsND(); 00136 00138 virtual void SetInitialCausalCoefficient(double z); 00139 00141 virtual void SetInitialAntiCausalCoefficient(double z); 00142 00144 void CopyImageToImage(); 00145 00147 void CopyCoefficientsToScratch( OutputLinearIterator & ); 00148 00150 void CopyScratchToCoefficients( OutputLinearIterator & ); 00151 00152 }; 00153 00154 00155 } // namespace itk 00156 00157 #ifndef ITK_MANUAL_INSTANTIATION 00158 #include "itkBSplineDecompositionImageFilter.txx" 00159 #endif 00160 00161 #endif 00162

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