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itkLaplacianRecursiveGaussianImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkLaplacianRecursiveGaussianImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-04-25 12:27:29 $
00007   Version:   $Revision: 1.6 $
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 __itkLaplacianRecursiveGaussianImageFilter_h
00018 #define __itkLaplacianRecursiveGaussianImageFilter_h
00019 
00020 #include "itkRecursiveGaussianImageFilter.h"
00021 #include "itkNthElementImageAdaptor.h"
00022 #include "itkImage.h"
00023 #include "itkPixelTraits.h"
00024 #include "itkCommand.h"
00025 
00026 
00027 namespace itk
00028 {
00029 
00039 // NOTE that the ITK_TYPENAME macro has to be used here in lieu 
00040 // of "typename" because VC++ doesn't like the typename keyword 
00041 // on the defaults of template parameters
00042 template <typename TInputImage, 
00043           typename TOutputImage= TInputImage >
00044 class ITK_EXPORT LaplacianRecursiveGaussianImageFilter:
00045     public ImageToImageFilter<TInputImage,TOutputImage>
00046 {
00047 public:
00049   typedef LaplacianRecursiveGaussianImageFilter        Self;
00050   typedef ImageToImageFilter<TInputImage,TOutputImage> Superclass;
00051   typedef SmartPointer<Self>                           Pointer;
00052   typedef SmartPointer<const Self>                     ConstPointer;
00053 
00054   
00056   typedef TInputImage                                    InputImageType;
00057   typedef typename InputImageType::PixelType             PixelType;
00058 
00059 
00061   itkStaticConstMacro(ImageDimension, unsigned int,
00062                       TInputImage::ImageDimension);
00063 
00064   typedef typename NumericTraits<PixelType>::RealType      RealType;
00065 
00070   typedef float                                           InternalRealType;
00071   typedef Image<InternalRealType, 
00072                 itkGetStaticConstMacro(ImageDimension) >   RealImageType;
00073 
00075   typedef RecursiveGaussianImageFilter<
00076     RealImageType,
00077     RealImageType
00078     >    GaussianFilterType;
00079 
00081   typedef RecursiveGaussianImageFilter<
00082     InputImageType,
00083     RealImageType
00084     >    DerivativeFilterType;
00085 
00087   typedef typename GaussianFilterType::Pointer     GaussianFilterPointer;
00088 
00090   typedef typename DerivativeFilterType::Pointer   DerivativeFilterPointer;
00091 
00093   typedef typename TOutputImage::Pointer           OutputImagePointer;
00094 
00096   typedef TOutputImage                                 OutputImageType;
00097   typedef typename          OutputImageType::PixelType OutputPixelType;
00098 
00100   typedef Image< InternalRealType, 
00101                  itkGetStaticConstMacro(ImageDimension) >      CumulativeImageType;
00102   typedef typename CumulativeImageType::Pointer                CumulativeImagePointer;
00103 
00105   typedef          MemberCommand< Self >     CommandType;  
00106   typedef typename CommandType::Pointer      CommandPointer;
00107 
00109   itkNewMacro(Self);
00110 
00112   itkTypeMacro(LaplacianRecursiveGaussianImageFilter, 
00113                ImageToImageFilter);
00114 
00116   void SetSigma( RealType sigma );
00117 
00119   void SetNormalizeAcrossScale( bool normalizeInScaleSpace );
00120   itkGetConstMacro( NormalizeAcrossScale, bool );
00122 
00128   virtual void GenerateInputRequestedRegion() throw(InvalidRequestedRegionError);
00129 
00130 protected:
00131   LaplacianRecursiveGaussianImageFilter();
00132   virtual ~LaplacianRecursiveGaussianImageFilter() {};
00133   void PrintSelf(std::ostream& os, Indent indent) const;
00134   
00136   void GenerateData( void );
00137 
00138   // Override since the filter produces the entire dataset
00139   void EnlargeOutputRequestedRegion(DataObject *output);
00140 
00142   void ReportProgress(const Object * object, const EventObject & event );
00143 
00144 private:
00145   LaplacianRecursiveGaussianImageFilter(const Self&); //purposely not implemented
00146   void operator=(const Self&); //purposely not implemented
00147   
00148   GaussianFilterPointer         m_SmoothingFilters[ImageDimension-1];
00149   DerivativeFilterPointer       m_DerivativeFilter;
00150 
00151   CumulativeImagePointer        m_CumulativeImage;
00152 
00153   CommandPointer                m_ProgressCommand;
00154   float                         m_Progress;
00155 
00157   bool m_NormalizeAcrossScale; 
00158 
00159 
00160 };
00161 
00162 } // end namespace itk
00163 
00164 #ifndef ITK_MANUAL_INSTANTIATION
00165 #include "itkLaplacianRecursiveGaussianImageFilter.txx"
00166 #endif
00167 
00168 #endif
00169 

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