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itkSimpleFuzzyConnectednessImageFilterBase.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkSimpleFuzzyConnectednessImageFilterBase.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-02-01 13:08:41 $
00007   Version:   $Revision: 1.4 $
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 __itkSimpleFuzzyConnectednessImageFilterBase_h
00018 #define __itkSimpleFuzzyConnectednessImageFilterBase_h
00019 
00020 #include "itkImage.h"
00021 #include "itkImageToImageFilter.h"
00022 #include <vnl/vnl_matrix_fixed.h>
00023 
00024 #include <queue>
00025 
00026 namespace itk {
00027 
00056 template <class TInputImage, class TOutputImage>
00057 class ITK_EXPORT SimpleFuzzyConnectednessImageFilterBase:
00058     public ImageToImageFilter<TInputImage,TOutputImage>
00059 {
00060 public:
00062   typedef SimpleFuzzyConnectednessImageFilterBase       Self;
00063   typedef ImageToImageFilter<TInputImage,TOutputImage>  Superclass;
00064   typedef SmartPointer <Self>                           Pointer;
00065   typedef SmartPointer<const Self>                      ConstPointer;
00066 
00068   itkNewMacro(Self);
00069 
00071   itkTypeMacro(SimpleFuzzyConnectednessImageFilterBase,ImageToImageFilter);
00072 
00074   itkStaticConstMacro(ImageDimension, unsigned int,
00075                       TInputImage::ImageDimension);
00076 
00078   typedef TInputImage  InputImageType;
00079   typedef TOutputImage OutputImageType;
00080 
00081   typedef Image <unsigned short, itkGetStaticConstMacro(ImageDimension)> UShortImage;
00082 
00083   typedef typename TInputImage::IndexType         IndexType;
00084   typedef typename TInputImage::SizeType          SizeType;
00085   typedef typename TInputImage::PixelType         PixelType;
00086   typedef UShortImage                             FuzzySceneType;
00087   typedef typename FuzzySceneType::Pointer        FuzzyScenePointer;
00088   typedef typename InputImageType::ConstPointer   InputImageConstPointer;
00089   typedef std::queue<IndexType>                   QueueType;
00090   typedef typename OutputImageType::RegionType    RegionType;
00091   typedef typename OutputImageType::PixelType     OutputPixelType;
00092   typedef typename OutputImageType::Pointer       OutputImagePointer;
00093   
00096   itkSetMacro(Weight, double);
00097   itkGetMacro(Weight, double);
00099 
00104   itkSetMacro(Threshold, double);
00105   itkGetMacro(Threshold, double);
00107 
00110   itkSetMacro(InsideValue, OutputPixelType);
00111   itkGetMacro(InsideValue, OutputPixelType);
00113 
00116   itkSetMacro(OutsideValue, OutputPixelType);
00117   itkGetMacro(OutsideValue, OutputPixelType);
00119 
00121   itkSetMacro(      ObjectSeed, IndexType );
00122   itkGetConstReferenceMacro( ObjectSeed, IndexType );
00124 
00126   void MakeSegmentObject();
00127 
00129   const FuzzySceneType * GetFuzzyScene(void) const
00130     { return m_FuzzyScene; };
00131 
00133   void UpdateThreshold(const double x);
00134 
00135 protected:
00136   SimpleFuzzyConnectednessImageFilterBase();
00137   ~SimpleFuzzyConnectednessImageFilterBase();
00138   void PrintSelf(std::ostream& os, Indent indent) const;
00139 
00141   void GenerateData();
00142 
00143   double            m_Weight;
00144   double            m_Threshold;
00145   IndexType         m_ObjectSeed;
00146   SizeType          m_Size;
00147 
00148   InputImageConstPointer    m_InputImage;
00149   FuzzyScenePointer         m_FuzzyScene;
00150   OutputImagePointer        m_SegmentObject; 
00151   
00152   QueueType m_Queue;
00153 
00154   void PushNeighbors(const IndexType &center);
00155 
00157   virtual double FuzzyAffinity(const PixelType, const PixelType)
00158     { return 0; }
00159 
00160   double FindStrongPath(const IndexType &center);
00161 
00162 private:
00163   SimpleFuzzyConnectednessImageFilterBase(const Self&); //purposely not implemented
00164   void operator=(const Self&); //purposely not implemented
00165 
00166   OutputPixelType  m_InsideValue;
00167   OutputPixelType  m_OutsideValue;
00168 
00169 };
00170 
00171 
00172 } // end namespace itk.
00173 
00174 #ifndef ITK_MANUAL_INSTANTIATION
00175 #include "itkSimpleFuzzyConnectednessImageFilterBase.txx"
00176 #endif
00177 
00178 #endif
00179 

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