lib/cpExtensions/Algorithms/MultiScaleGaussianImageFilter.h

   1 // -------------------------------------------------------------------------
   2 // @author Leonardo Florez-Valencia (florez-l@javeriana.edu.co)
   3 // -------------------------------------------------------------------------
   4
   5 #ifndef __CPEXTENSIONS__ALGORITHMS__MULTISCALEGAUSSIANIMAGEFILTER__H__
   6 #define __CPEXTENSIONS__ALGORITHMS__MULTISCALEGAUSSIANIMAGEFILTER__H__
   7
   8 #include <set>
   9 #include <itkImageToImageFilter.h>
  10
  11 namespace cpExtensions
  12 {
  13   namespace Algorithms
  14   {
  15     /**
  16      */
  17     template< class I, class O >
  18     class MultiScaleGaussianImageFilter
  19       : public itk::ImageToImageFilter< I, O >
  20     {
  21     public:
  22       typedef MultiScaleGaussianImageFilter   Self;
  23       typedef itk::ImageToImageFilter< I, O > Superclass;
  24       typedef itk::SmartPointer< Self >       Pointer;
  25       typedef itk::SmartPointer< const Self > ConstPointer;
  26
  27       typedef I TInputImage;
  28       typedef O TOutputImage;
  29
  30       typedef std::set< double > TScalesContainer;
  31
  32     protected:
  33       /**
  34        */
  35       class _Greater
  36       {
  37       public:
  38         typedef typename O::PixelType _T;
  39
  40       public:
  41         _Greater( );
  42         virtual ~_Greater( );
  43         bool operator!=( const _Greater& b ) const;
  44         bool operator==( const _Greater& b ) const;
  45         inline _T operator()( const _T& a ) const;
  46         inline _T operator()( const _T& a, const _T& b ) const;
  47       };
  48
  49     public:
  50       itkNewMacro( Self );
  51       itkTypeMacro( MultiScaleGaussianImageFilter, itkImageToImageFilter );
  52
  53     public:
  54       void AddScale( const double& s );
  55       unsigned long GetNumberOfScales( ) const;
  56
  57     protected:
  58       MultiScaleGaussianImageFilter( );
  59       virtual ~MultiScaleGaussianImageFilter( );
  60
  61       virtual void GenerateData( ) ITK_OVERRIDE;
  62
  63       template< class F >
  64       void _GenerateData( );
  65
  66     private:
  67       // Purposely not implemented.
  68       MultiScaleGaussianImageFilter( const Self& );
  69       void operator=( const Self& );
  70
  71     protected:
  72       TScalesContainer m_Scales;
  73     };
  74
  75   } // ecapseman
  76
  77 } // ecapseman
  78
  79 #ifndef ITK_MANUAL_INSTANTIATION
  80 #include <cpExtensions/Algorithms/MultiScaleGaussianImageFilter.hxx>
  81 #endif // ITK_MANUAL_INSTANTIATION
  82
  83 #endif // __CPEXTENSIONS__ALGORITHMS__MULTISCALEGAUSSIANIMAGEFILTER__H__
  84
  85 // eof - $RCSfile$