ITK  4.6.0
Insight Segmentation and Registration Toolkit
itkComplexToModulusImageFilter.h
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18 #ifndef __itkComplexToModulusImageFilter_h
19 #define __itkComplexToModulusImageFilter_h
20 
22 #include "vnl/vnl_math.h"
23 
24 namespace itk
25 {
32 namespace Functor
33 {
34 template< typename TInput, typename TOutput >
36 {
37 public:
40  bool operator!=(const ComplexToModulus &) const
41  {
42  return false;
43  }
44 
45  bool operator==(const ComplexToModulus & other) const
46  {
47  return !( *this != other );
48  }
49 
50  inline TOutput operator()(const TInput & A) const
51  {
52  return (TOutput)( std::sqrt( A.real() * A.real()
53  + A.imag() * A.imag() ) );
54  }
55 };
56 }
57 
58 template< typename TInputImage, typename TOutputImage >
60  public
61  UnaryFunctorImageFilter< TInputImage, TOutputImage,
62  Functor::ComplexToModulus<
63  typename TInputImage::PixelType,
64  typename TOutputImage::PixelType > >
65 {
66 public:
70  TInputImage, TOutputImage,
71  Functor::ComplexToModulus< typename TInputImage::PixelType,
72  typename TOutputImage::PixelType > > Superclass;
73 
76 
78  itkNewMacro(Self);
79 
81  itkTypeMacro(ComplexToModulusImageFilter,
83 
84  typedef typename TInputImage::PixelType InputPixelType;
85  typedef typename TOutputImage::PixelType OutputPixelType;
87 
88 #ifdef ITK_USE_CONCEPT_CHECKING
89  // Begin concept checking
90  itkConceptMacro( InputMultiplyOperatorCheck,
92  // End concept checking
93 #endif
94 
95 protected:
98 
99 private:
100  ComplexToModulusImageFilter(const Self &); //purposely not implemented
101  void operator=(const Self &); //purposely not implemented
102 };
103 } // end namespace itk
104 
105 #endif
bool operator!=(const ComplexToModulus &) const
Base class for all process objects that output image data.
UnaryFunctorImageFilter< TInputImage, TOutputImage, Functor::ComplexToModulus< typename TInputImage::PixelType, typename TOutputImage::PixelType > > Superclass
NumericTraits< InputPixelType >::ValueType InputPixelValueType
Computes pixel-wise the Modulus of a complex image.
Implements pixel-wise generic operation on one image.
Define additional traits for native types such as int or float.
#define itkConceptMacro(name, concept)
TOutput operator()(const TInput &A) const
bool operator==(const ComplexToModulus &other) const