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itkBSplineDeformableTransform.h

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00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkBSplineDeformableTransform.h,v $ 00005 Language: C++ 00006 Date: $Date: 2003/09/10 14:29:01 $ 00007 Version: $Revision: 1.18 $ 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 00018 #ifndef __itkBSplineDeformableTransform_h 00019 #define __itkBSplineDeformableTransform_h 00020 00021 #include <iostream> 00022 #include "itkTransform.h" 00023 #include "itkImage.h" 00024 #include "itkImageRegion.h" 00025 #include "itkBSplineInterpolationWeightFunction.h" 00026 00027 namespace itk 00028 { 00029 00106 template < 00107 class TScalarType = double, // Data type for scalars (float or double) 00108 unsigned int NDimensions = 3, // Number of dimensions 00109 unsigned int VSplineOrder = 3 > // Spline order 00110 class ITK_EXPORT BSplineDeformableTransform : 00111 public Transform< TScalarType, NDimensions, NDimensions > 00112 { 00113 public: 00115 typedef BSplineDeformableTransform Self; 00116 typedef Transform< TScalarType, NDimensions, NDimensions > Superclass; 00117 typedef SmartPointer<Self> Pointer; 00118 typedef SmartPointer<const Self> ConstPointer; 00119 00121 itkNewMacro( Self ); 00122 00124 itkTypeMacro( BSplineDeformableTransform, Transform ); 00125 00127 itkStaticConstMacro(SpaceDimension, unsigned int, NDimensions); 00128 00130 itkStaticConstMacro(SplineOrder, unsigned int, VSplineOrder); 00131 00133 typedef typename Superclass::ScalarType ScalarType; 00134 00136 typedef typename Superclass::ParametersType ParametersType; 00137 00139 typedef typename Superclass::JacobianType JacobianType; 00140 00142 typedef Vector<TScalarType, 00143 itkGetStaticConstMacro(SpaceDimension)> InputVectorType; 00144 typedef Vector<TScalarType, 00145 itkGetStaticConstMacro(SpaceDimension)> OutputVectorType; 00146 00148 typedef CovariantVector<TScalarType, 00149 itkGetStaticConstMacro(SpaceDimension)> InputCovariantVectorType; 00150 typedef CovariantVector<TScalarType, 00151 itkGetStaticConstMacro(SpaceDimension)> OutputCovariantVectorType; 00152 00154 typedef vnl_vector_fixed<TScalarType, 00155 itkGetStaticConstMacro(SpaceDimension)> InputVnlVectorType; 00156 typedef vnl_vector_fixed<TScalarType, 00157 itkGetStaticConstMacro(SpaceDimension)> OutputVnlVectorType; 00158 00160 typedef Point<TScalarType, 00161 itkGetStaticConstMacro(SpaceDimension)> InputPointType; 00162 typedef Point<TScalarType, 00163 itkGetStaticConstMacro(SpaceDimension)> OutputPointType; 00164 00183 void SetParameters(const ParametersType & parameters); 00184 00186 virtual const ParametersType& GetParameters(void) const; 00187 00189 typedef typename ParametersType::ValueType PixelType; 00190 typedef Image<PixelType,itkGetStaticConstMacro(SpaceDimension)> ImageType; 00191 typedef typename ImageType::Pointer ImagePointer; 00192 00194 virtual ImagePointer * GetCoefficientImage() 00195 { return m_CoefficientImage; } 00196 00209 virtual void SetCoefficientImage( ImagePointer images[] ); 00210 00212 typedef ImageRegion<itkGetStaticConstMacro(SpaceDimension)> RegionType; 00213 typedef typename RegionType::IndexType IndexType; 00214 typedef typename RegionType::SizeType SizeType; 00215 typedef FixedArray<double,itkGetStaticConstMacro(SpaceDimension)> SpacingType; 00216 typedef FixedArray<double,itkGetStaticConstMacro(SpaceDimension)> OriginType; 00217 00219 virtual void SetGridRegion( const RegionType& region ); 00220 itkGetMacro( GridRegion, RegionType ); 00221 00223 virtual void SetGridSpacing( const SpacingType& spacing ); 00224 itkGetMacro( GridSpacing, SpacingType ); 00225 00227 virtual void SetGridOrigin( const OriginType& origin ); 00228 itkGetMacro( GridOrigin, OriginType ); 00229 00231 typedef Transform<ScalarType,itkGetStaticConstMacro(SpaceDimension), 00232 itkGetStaticConstMacro(SpaceDimension)> BulkTransformType; 00233 typedef typename BulkTransformType::ConstPointer BulkTransformPointer; 00234 00238 itkSetConstObjectMacro( BulkTransform, BulkTransformType ); 00239 itkGetConstObjectMacro( BulkTransform, BulkTransformType ); 00240 00242 OutputPointType TransformPoint(const InputPointType &point ) const; 00243 00245 typedef BSplineInterpolationWeightFunction<ScalarType, 00246 itkGetStaticConstMacro(SpaceDimension), 00247 itkGetStaticConstMacro(SplineOrder)> WeightsFunctionType; 00248 typedef typename WeightsFunctionType::WeightsType WeightsType; 00249 typedef typename WeightsFunctionType::ContinuousIndexType ContinuousIndexType; 00250 00252 typedef Array<unsigned long> ParameterIndexArrayType; 00253 00261 void TransformPoint( const InputPointType & inputPoint, 00262 OutputPointType & outputPoint, 00263 WeightsType & weights, 00264 ParameterIndexArrayType & indices, 00265 bool & inside ) const; 00266 00268 unsigned long GetNumberOfWeights() const 00269 { return m_WeightsFunction->GetNumberOfWeights(); } 00270 00272 virtual OutputVectorType TransformVector(const InputVectorType &) const 00273 { 00274 itkExceptionMacro(<< "Method not applicable for deformable transform." ); 00275 return OutputVectorType(); 00276 } 00277 00279 virtual OutputVnlVectorType TransformVector(const InputVnlVectorType &) const 00280 { 00281 itkExceptionMacro(<< "Method not applicable for deformable transform. "); 00282 return OutputVnlVectorType(); 00283 } 00284 00286 virtual OutputCovariantVectorType TransformCovariantVector( 00287 const InputCovariantVectorType &) const 00288 { 00289 itkExceptionMacro(<< "Method not applicable for deformable transfrom. "); 00290 return OutputCovariantVectorType(); 00291 } 00292 00294 virtual const JacobianType& GetJacobian(const InputPointType &point ) const; 00295 00297 virtual unsigned int GetNumberOfParameters(void) const; 00298 00300 unsigned int GetNumberOfParametersPerDimension(void) const; 00301 00303 itkGetConstMacro( ValidRegion, RegionType ); 00304 00305 protected: 00307 void PrintSelf(std::ostream &os, Indent indent) const; 00308 00309 00310 BSplineDeformableTransform(); 00311 ~BSplineDeformableTransform(); 00312 00313 private: 00314 BSplineDeformableTransform(const Self&); //purposely not implemented 00315 void operator=(const Self&); //purposely not implemented 00316 00318 BulkTransformPointer m_BulkTransform; 00319 00321 RegionType m_GridRegion; 00322 SpacingType m_GridSpacing; 00323 OriginType m_GridOrigin; 00324 00325 RegionType m_ValidRegion; 00326 00328 unsigned long m_Offset; 00329 bool m_SplineOrderOdd; 00330 SizeType m_SupportSize; 00331 IndexType m_ValidRegionLast; 00332 00334 ImagePointer m_WrappedImage[NDimensions]; 00335 00337 ImagePointer m_CoefficientImage[NDimensions]; 00338 00340 typedef typename JacobianType::ValueType JacobianPixelType; 00341 typedef Image<JacobianPixelType, 00342 itkGetStaticConstMacro(SpaceDimension)> JacobianImageType; 00343 00344 typename JacobianImageType::Pointer m_JacobianImage[NDimensions]; 00345 00349 mutable IndexType m_LastJacobianIndex; 00350 00352 const ParametersType * m_InputParametersPointer; 00353 00355 typename WeightsFunctionType::Pointer m_WeightsFunction; 00356 00358 bool InsideValidRegion( const ContinuousIndexType& index ) const; 00359 00360 00361 }; //class BSplineDeformableTransform 00362 00363 00364 } // namespace itk 00365 00366 00367 #ifndef ITK_MANUAL_INSTANTIATION 00368 #include "itkBSplineDeformableTransform.txx" 00369 #endif 00370 00371 #endif /* __itkBSplineDeformableTransform_h */

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