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itkMultiScaleHessianBasedMeasureImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkMultiScaleHessianBasedMeasureImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-04-23 03:43:42 $
00007   Version:   $Revision: 1.9 $
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 __itkMultiScaleHessianBasedMeasureImageFilter_h
00018 #define __itkMultiScaleHessianBasedMeasureImageFilter_h
00019 
00020 #include "itkImageToImageFilter.h"
00021 #include "itkImage.h"
00022 #include "itkHessianRecursiveGaussianImageFilter.h"
00023 
00024 namespace itk
00025 {
00055 template <typename TInputImage,
00056           typename THessianImage, 
00057           typename TOutputImage=TInputImage >
00058 class ITK_EXPORT MultiScaleHessianBasedMeasureImageFilter 
00059 : public
00060 ImageToImageFilter< TInputImage,TOutputImage > 
00061 {
00062 public:
00064   typedef MultiScaleHessianBasedMeasureImageFilter          Self;
00065   typedef ImageToImageFilter<TInputImage,TOutputImage>      Superclass;
00066 
00067   typedef SmartPointer<Self>                                      Pointer;
00068   typedef SmartPointer<const Self>                                ConstPointer;
00069 
00070   typedef TInputImage                                    InputImageType;
00071   typedef TOutputImage                                   OutputImageType;
00072   typedef THessianImage                                  HessianImageType;
00073 
00074   typedef ImageToImageFilter< HessianImageType, OutputImageType  >  HessianToMeasureFilterType;
00075 
00076   typedef typename TInputImage::PixelType                InputPixelType;
00077   typedef typename TOutputImage::PixelType               OutputPixelType;
00078   typedef typename TOutputImage::RegionType              OutputRegionType;
00079  
00081   itkStaticConstMacro(ImageDimension, unsigned int, ::itk::GetImageDimension<InputImageType>::ImageDimension);
00082 
00084   typedef float                                          ScalesPixelType;
00085   typedef Image<ScalesPixelType, itkGetStaticConstMacro(ImageDimension)>  ScalesImageType;
00086 
00088   typedef HessianRecursiveGaussianImageFilter< InputImageType, HessianImageType> HessianFilterType;
00089 
00093   typedef Image< double, itkGetStaticConstMacro(ImageDimension) > UpdateBufferType;
00094   typedef typename UpdateBufferType::ValueType                    BufferValueType;
00095 
00096   typedef typename Superclass::DataObjectPointer          DataObjectPointer;
00097   
00099   itkNewMacro(Self);
00100 
00102   itkSetMacro(SigmaMinimum, double);
00103   itkGetConstMacro(SigmaMinimum, double);
00105 
00107   itkSetMacro(SigmaMaximum, double);
00108   itkGetConstMacro(SigmaMaximum, double);
00110 
00112   itkSetMacro(NumberOfSigmaSteps, unsigned int);
00113   itkGetConstMacro(NumberOfSigmaSteps, unsigned int);
00115 
00119   itkSetObjectMacro( HessianToMeasureFilter, HessianToMeasureFilterType); 
00120   itkGetObjectMacro( HessianToMeasureFilter, HessianToMeasureFilterType); 
00122 
00129   itkSetMacro(NonNegativeHessianBasedMeasure,bool);
00130   itkGetConstMacro(NonNegativeHessianBasedMeasure,bool);
00131   itkBooleanMacro(NonNegativeHessianBasedMeasure);
00133 
00134   typedef enum { EquispacedSigmaSteps = 0,
00135                  LogarithmicSigmaSteps = 1 } SigmaStepMethodType;
00136 
00139   itkSetMacro(SigmaStepMethod, SigmaStepMethodType);
00140   itkGetConstMacro(SigmaStepMethod, SigmaStepMethodType);
00142 
00144   void SetSigmaStepMethodToEquispaced();
00145 
00147   void SetSigmaStepMethodToLogarithmic();
00148 
00151   const HessianImageType* GetHessianOutput() const;
00152 
00155   const ScalesImageType* GetScalesOutput() const;
00156 
00157   void EnlargeOutputRequestedRegion (DataObject *);
00158 
00161   itkSetMacro(GenerateScalesOutput,bool);
00162   itkGetConstMacro(GenerateScalesOutput,bool);
00163   itkBooleanMacro(GenerateScalesOutput);
00165 
00168   itkSetMacro(GenerateHessianOutput,bool);
00169   itkGetConstMacro(GenerateHessianOutput,bool);
00170   itkBooleanMacro(GenerateHessianOutput);
00172 
00174   virtual DataObjectPointer MakeOutput(unsigned int idx);
00175 
00176 protected:
00177   MultiScaleHessianBasedMeasureImageFilter();
00178   ~MultiScaleHessianBasedMeasureImageFilter() {};
00179   void PrintSelf(std::ostream& os, Indent indent) const;
00180   
00182   void GenerateData( void );
00183 
00184 private:
00185   void UpdateMaximumResponse(double sigma);
00186   double ComputeSigmaValue(int scaleLevel);
00187   
00188   void AllocateUpdateBuffer();
00189 
00190   //purposely not implemented
00191   MultiScaleHessianBasedMeasureImageFilter(const Self&); 
00192   void operator=(const Self&); //purposely not implemented
00193 
00194   bool                        m_NonNegativeHessianBasedMeasure;
00195 
00196   double                      m_SigmaMinimum;
00197   double                      m_SigmaMaximum;
00198 
00199   unsigned int                m_NumberOfSigmaSteps;
00200   SigmaStepMethodType         m_SigmaStepMethod;
00201 
00202   typename HessianToMeasureFilterType::Pointer  m_HessianToMeasureFilter;
00203   typename HessianFilterType::Pointer           m_HessianFilter;
00204   typename UpdateBufferType::Pointer            m_UpdateBuffer;
00205 
00206   bool m_GenerateScalesOutput;
00207   bool m_GenerateHessianOutput;
00208 };
00209 
00210 } // end namespace itk
00211 
00212 #ifndef ITK_MANUAL_INSTANTIATION
00213 #include "itkMultiScaleHessianBasedMeasureImageFilter.txx"
00214 #endif
00215   
00216 #endif
00217 

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