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itkShapePriorSegmentationLevelSetImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkShapePriorSegmentationLevelSetImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2006/08/29 15:55:10 $
00007   Version:   $Revision: 1.11 $
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 __itkShapePriorSegmentationLevelSetImageFilter_h_
00018 #define __itkShapePriorSegmentationLevelSetImageFilter_h_
00019 
00020 #include "itkSegmentationLevelSetImageFilter.h"
00021 #include "itkShapePriorSegmentationLevelSetFunction.h"
00022 #include "itkSingleValuedNonLinearOptimizer.h"
00023 #include "itkShapePriorMAPCostFunctionBase.h"
00024 
00025 namespace itk {
00026 
00069 template <class TInputImage,
00070           class TFeatureImage,
00071           class TOutputPixelType = float >
00072 class ITK_EXPORT ShapePriorSegmentationLevelSetImageFilter
00073   : public SegmentationLevelSetImageFilter< TInputImage, TFeatureImage, 
00074                                             TOutputPixelType>
00075 {
00076 public:
00077 
00079   itkStaticConstMacro(ImageDimension, unsigned int,
00080                       TInputImage::ImageDimension);
00081 
00083   typedef ShapePriorSegmentationLevelSetImageFilter Self;
00084   typedef SegmentationLevelSetImageFilter<TInputImage, TFeatureImage, TOutputPixelType> Superclass;
00085   typedef SmartPointer<Self>  Pointer;
00086   typedef SmartPointer<const Self>  ConstPointer;
00087 
00089   itkTypeMacro(ShapePriorSegmentationLevelSetImageFilter, SegmentationLevelSetImageFilter);
00090 
00092   typedef typename Superclass::ValueType ValueType;
00093   typedef typename Superclass::OutputImageType OutputImageType;
00094   typedef typename Superclass::FeatureImageType FeatureImageType;
00095 
00097   typedef TOutputPixelType OutputPixelType;
00098 
00100   typedef ShapePriorSegmentationLevelSetFunction<OutputImageType, FeatureImageType>
00101       ShapePriorSegmentationFunctionType;
00102 
00104   typedef typename ShapePriorSegmentationFunctionType::ShapeFunctionType 
00105       ShapeFunctionType;
00106   typedef typename ShapeFunctionType::Pointer  ShapeFunctionPointer;
00107 
00109   typedef  ShapePriorMAPCostFunctionBase<TFeatureImage,TOutputPixelType>  CostFunctionType;
00110   typedef  typename CostFunctionType::Pointer         CostFunctionPointer;
00111   typedef  typename CostFunctionType::ParametersType  ParametersType;
00112 
00114   typedef  typename CostFunctionType::NodeType              NodeType;
00115   typedef  typename CostFunctionType::NodeContainerType     NodeContainerType;
00116   typedef  typename NodeContainerType::Pointer              NodeContainerPointer;
00117 
00119   typedef   SingleValuedNonLinearOptimizer         OptimizerType;
00120   typedef   typename OptimizerType::Pointer        OptimizerPointer;
00121 
00123   virtual void SetShapeFunction(ShapeFunctionType *s);
00124   itkGetObjectMacro( ShapeFunction, ShapeFunctionType );
00126 
00128   itkSetObjectMacro( CostFunction, CostFunctionType );
00129   itkGetObjectMacro( CostFunction, CostFunctionType );
00131 
00133   itkSetObjectMacro( Optimizer, OptimizerType );
00134   itkGetObjectMacro( Optimizer, OptimizerType );
00136 
00141  itkSetMacro( InitialParameters, ParametersType );
00142  itkGetMacro( InitialParameters, ParametersType );
00144 
00146   void SetShapePriorScaling( ValueType v )
00147   {
00148     if ( v != m_ShapePriorSegmentationFunction->GetShapePriorWeight() )
00149     {
00150     m_ShapePriorSegmentationFunction->SetShapePriorWeight( v );
00151     this->Modified();
00152     }
00153   }
00154   ValueType GetShapePriorScaling() const
00155   {
00156     return m_ShapePriorSegmentationFunction->GetShapePriorWeight();
00157   }
00159 
00162   virtual void SetShapePriorSegmentationFunction( ShapePriorSegmentationFunctionType * s );
00163   virtual ShapePriorSegmentationFunctionType * GetShapePriorSegmentationFunction()
00164     { return m_ShapePriorSegmentationFunction; }
00166 
00168   itkGetConstReferenceMacro( CurrentParameters, ParametersType );
00169 
00170 protected:
00171   virtual ~ShapePriorSegmentationLevelSetImageFilter() {}
00172   ShapePriorSegmentationLevelSetImageFilter();
00173 
00174   virtual void PrintSelf(std::ostream& os, Indent indent) const;
00175 
00178   virtual void InitializeIteration();
00179 
00182   void GenerateData();
00183 
00185   void ExtractActiveRegion( NodeContainerType * ptr );
00186 
00187 private:
00188   ShapePriorSegmentationLevelSetImageFilter(const Self&); //purposely not implemented
00189   void operator=(const Self&); //purposely not implemented
00190 
00191    ShapeFunctionPointer     m_ShapeFunction;
00192    CostFunctionPointer      m_CostFunction;
00193    OptimizerPointer         m_Optimizer;
00194    ParametersType           m_InitialParameters;
00195    ParametersType           m_CurrentParameters;
00196 
00197    ShapePriorSegmentationFunctionType * m_ShapePriorSegmentationFunction;
00198 
00199 };
00200 
00201 } // end namespace itk
00202 
00203 #ifndef ITK_MANUAL_INSTANTIATION
00204 #include "itkShapePriorSegmentationLevelSetImageFilter.txx"
00205 #endif
00206 
00207 #endif
00208 
00209 

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