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00017 #ifndef __itkSmoothingRecursiveGaussianImageFilter_h
00018 #define __itkSmoothingRecursiveGaussianImageFilter_h
00019
00020 #include "itkRecursiveGaussianImageFilter.h"
00021 #include "itkCastImageFilter.h"
00022 #include "itkImage.h"
00023 #include "itkPixelTraits.h"
00024 #include "itkCommand.h"
00025
00026
00027 namespace itk
00028 {
00029
00041 template <typename TInputImage,
00042 typename TOutputImage= TInputImage >
00043 class ITK_EXPORT SmoothingRecursiveGaussianImageFilter:
00044 public ImageToImageFilter<TInputImage,TOutputImage>
00045 {
00046 public:
00048 typedef SmoothingRecursiveGaussianImageFilter Self;
00049 typedef ImageToImageFilter<TInputImage,TOutputImage> Superclass;
00050 typedef SmartPointer<Self> Pointer;
00051 typedef SmartPointer<const Self> ConstPointer;
00052
00053
00055 typedef TInputImage InputImageType;
00056 typedef TOutputImage OutputImageType;
00057 typedef typename TInputImage::PixelType PixelType;
00058 typedef typename NumericTraits<PixelType>::RealType RealType;
00059
00060
00062 itkStaticConstMacro(ImageDimension, unsigned int,
00063 TInputImage::ImageDimension);
00064
00069 typedef float InternalRealType;
00070 typedef Image<InternalRealType,
00071 itkGetStaticConstMacro(ImageDimension) > RealImageType;
00072
00074 typedef RecursiveGaussianImageFilter<
00075 InputImageType,
00076 RealImageType
00077 > FirstGaussianFilterType;
00078
00080 typedef RecursiveGaussianImageFilter<
00081 RealImageType,
00082 RealImageType
00083 > InternalGaussianFilterType;
00084
00086 typedef CastImageFilter<
00087 RealImageType,
00088 OutputImageType
00089 > CastingFilterType;
00090
00091
00093 typedef typename InternalGaussianFilterType::Pointer InternalGaussianFilterPointer;
00094
00096 typedef typename FirstGaussianFilterType::Pointer FirstGaussianFilterPointer;
00097
00099 typedef typename CastingFilterType::Pointer CastingFilterPointer;
00100
00102 typedef typename OutputImageType::Pointer OutputImagePointer;
00103
00105 itkNewMacro(Self);
00106
00108 void SetSigma( RealType sigma );
00109
00111 void SetNormalizeAcrossScale( bool normalizeInScaleSpace );
00112 itkGetMacro( NormalizeAcrossScale, bool );
00113
00114 protected:
00115 SmoothingRecursiveGaussianImageFilter();
00116 virtual ~SmoothingRecursiveGaussianImageFilter() {};
00117 void PrintSelf(std::ostream& os, Indent indent) const;
00118
00120 void GenerateData( void );
00121
00127 virtual void GenerateInputRequestedRegion() throw(InvalidRequestedRegionError);
00128
00129
00130 void EnlargeOutputRequestedRegion(DataObject *output);
00131
00132 private:
00133 SmoothingRecursiveGaussianImageFilter(const Self&);
00134 void operator=(const Self&);
00135
00136 InternalGaussianFilterPointer m_SmoothingFilters[ImageDimension-1];
00137 FirstGaussianFilterPointer m_FirstSmoothingFilter;
00138 CastingFilterPointer m_CastingFilter;
00139
00141 bool m_NormalizeAcrossScale;
00142
00143 };
00144
00145 }
00146
00147 #ifndef ITK_MANUAL_INSTANTIATION
00148 #include "itkSmoothingRecursiveGaussianImageFilter.txx"
00149 #endif
00150
00151 #endif
00152
00153
00154
00155