ITK  4.3.0
Insight Segmentation and Registration Toolkit
itkBSplineDecompositionImageFilter.h
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18 /*=========================================================================
19  *
20  * Portions of this file are subject to the VTK Toolkit Version 3 copyright.
21  *
22  * Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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28 #ifndef __itkBSplineDecompositionImageFilter_h
29 #define __itkBSplineDecompositionImageFilter_h
30 
31 #include <vector>
32 
34 #include "vnl/vnl_matrix.h"
35 
36 #include "itkImageToImageFilter.h"
37 
38 namespace itk
39 {
72 template< class TInputImage, class TOutputImage >
74  public ImageToImageFilter< TInputImage, TOutputImage >
75 {
76 public:
82 
85 
87  itkNewMacro(Self);
88 
90  typedef typename Superclass::InputImageType InputImageType;
91  typedef typename Superclass::InputImagePointer InputImagePointer;
92  typedef typename Superclass::InputImageConstPointer InputImageConstPointer;
93  typedef typename Superclass::OutputImagePointer OutputImagePointer;
94 
96 
98  itkStaticConstMacro(ImageDimension, unsigned int, TInputImage::ImageDimension);
99  itkStaticConstMacro(OutputImageDimension, unsigned int,
100  TOutputImage::ImageDimension);
102 
105 
108  void SetSplineOrder(unsigned int SplineOrder);
109 
110  itkGetConstMacro(SplineOrder, int);
111 
112 #ifdef ITK_USE_CONCEPT_CHECKING
113 
114  itkConceptMacro( DimensionCheck,
116  itkConceptMacro( InputConvertibleToOutputCheck,
117  ( Concept::Convertible< typename TInputImage::PixelType,
118  typename TOutputImage::PixelType > ) );
119  itkConceptMacro( DoubleConvertibleToOutputCheck,
121 
123 #endif
124 
125 protected:
128  void PrintSelf(std::ostream & os, Indent indent) const;
129 
130  void GenerateData();
131 
133  void GenerateInputRequestedRegion();
134 
136  void EnlargeOutputRequestedRegion(DataObject *output);
137 
139  std::vector< CoeffType > m_Scratch; // temp storage for processing
140  // of Coefficients
141  typename TInputImage::SizeType m_DataLength; // Image size
142 
143  unsigned int m_SplineOrder; // User specified spline order (3rd
144  // or cubic is the default)
145  double m_SplinePoles[3]; // Poles calculated for a given
146  // spline order
147  int m_NumberOfPoles; // number of poles
148 
149  double m_Tolerance; // Tolerance used for determining
150  // initial causal coefficient
151  unsigned int m_IteratorDirection; // Direction for iterator
152  // incrementing
153 
154 private:
155  BSplineDecompositionImageFilter(const Self &); //purposely not implemented
156  void operator=(const Self &); //purposely not implemented
157 
159  virtual void SetPoles();
160 
162  virtual bool DataToCoefficients1D();
163 
166  void DataToCoefficientsND();
167 
169  virtual void SetInitialCausalCoefficient(double z);
170 
173  virtual void SetInitialAntiCausalCoefficient(double z);
174 
176  void CopyImageToImage();
177 
180  void CopyCoefficientsToScratch(OutputLinearIterator &);
181 
183  void CopyScratchToCoefficients(OutputLinearIterator &);
184 };
185 } // namespace itk
186 
187 #ifndef ITK_MANUAL_INSTANTIATION
188 #include "itkBSplineDecompositionImageFilter.hxx"
189 #endif
190 
191 #endif
192