itk/itkBSplineResampleImageFunctionWithLUT.h

   1 #ifndef __itkBSplineResampleImageFunctionWithLUT_h
   2 #define __itkBSplineResampleImageFunctionWithLUT_h
   3
   4 #include "itkBSplineInterpolateImageFunctionWithLUT.h"
   5
   6 namespace itk
   7 {
   8 /** \class BSplineResampleImageFunctionWithLUT
   9  * \brief Resample image intensity from a BSpline coefficient image using a LUT.
  10  *
  11  * This class resample the image intensity at a non-integer position
  12  * from the input BSpline coefficient image using a LUT.
  13  *
  14  * Spline order may be from 0 to 5.
  15  *
  16  * In ITK, BSpline coefficient can be generated using a
  17  * BSplineDecompositionImageFilter. Using this image function in
  18  * conjunction with ResampleImageFunction allows the reconstruction
  19  * of the original image at different resolution and size.
  20  *
  21  * \sa BSplineInterpolateImageFunctionWithLUT
  22  * \sa BSplineDecompositionImageFilter
  23  * \sa ResampleImageFilter
  24  *
  25  * \ingroup ImageFunctions
  26  */
  27 template <class TImageType, class TCoordRep = float>
  28 class ITK_EXPORT BSplineResampleImageFunctionWithLUT :
  29     public BSplineInterpolateImageFunctionWithLUT<
  30   TImageType,TCoordRep,ITK_TYPENAME TImageType::PixelType >
  31 {
  32 public:
  33   /** Standard class typedefs. */
  34   typedef BSplineResampleImageFunctionWithLUT                   Self;
  35   typedef BSplineInterpolateImageFunctionWithLUT<
  36     TImageType,TCoordRep, ITK_TYPENAME TImageType::PixelType >  Superclass;
  37   typedef SmartPointer<Self>                                    Pointer;
  38   typedef SmartPointer<const Self>                              ConstPointer;
  39
  40   /** Run-time type information (and related methods). */
  41   itkTypeMacro(BSplineReconstructionImageFunction,
  42                BSplineInterpolateImageFunctionWithLUT);
  43
  44   /** New macro for creation of through a Smart Pointer */
  45   itkNewMacro( Self );
  46
  47   /** Set the input image representing the BSplineCoefficients */
  48   virtual void SetInputImage(const TImageType * inputData)
  49   {
  50     // bypass my superclass
  51     this->InterpolateImageFunction<TImageType,TCoordRep>::SetInputImage(inputData);
  52     this->m_Coefficients = inputData;
  53     if ( this->m_Coefficients.IsNotNull() )
  54       {
  55       this->m_DataLength = this->m_Coefficients->GetBufferedRegion().GetSize();
  56
  57       // JV specific for BLUT ( contains the call to UpdatePrecomputedWeights() )
  58       this->UpdateWeightsProperties();
  59       }
  60   }
  61
  62 protected:
  63   BSplineResampleImageFunctionWithLUT() {};
  64   virtual ~BSplineResampleImageFunctionWithLUT() {};
  65   void PrintSelf(std::ostream& os, Indent indent) const
  66   {
  67     this->Superclass::PrintSelf( os, indent );
  68   }
  69
  70 private:
  71   BSplineResampleImageFunctionWithLUT(const Self&);//purposely not implemented
  72 };
  73
  74 } // namespace itk
  75
  76
  77 #endif
  78