ITK  4.6.0
Insight Segmentation and Registration Toolkit
itkSquaredDifferenceImageFilter.h
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18 #ifndef __itkSquaredDifferenceImageFilter_h
19 #define __itkSquaredDifferenceImageFilter_h
20 
22 
23 namespace itk
24 {
53 namespace Functor
54 {
55 template< typename TInput1, typename TInput2, typename TOutput >
57 {
58 public:
61  bool operator!=(const SquaredDifference2 &) const
62  {
63  return false;
64  }
65 
66  bool operator==(const SquaredDifference2 & other) const
67  {
68  return !( *this != other );
69  }
70 
71  inline TOutput operator()(const TInput1 & A,
72  const TInput2 & B) const
73  {
74  const double dA = static_cast< double >( A );
75  const double dB = static_cast< double >( B );
76  const double diff = dA - dB;
77 
78  return static_cast< TOutput >( diff * diff );
79  }
80 };
81 }
82 
83 template< typename TInputImage1, typename TInputImage2, typename TOutputImage >
85  public
86  BinaryFunctorImageFilter< TInputImage1, TInputImage2, TOutputImage,
87  Functor::SquaredDifference2<
88  typename TInputImage1::PixelType,
89  typename TInputImage2::PixelType,
90  typename TOutputImage::PixelType > >
91 {
92 public:
96  TInputImage1, TInputImage2, TOutputImage,
98  typename TInputImage1::PixelType,
99  typename TInputImage2::PixelType,
100  typename TOutputImage::PixelType >
102 
105 
107  itkNewMacro(Self);
108 
110  itkTypeMacro(SquaredDifferenceImageFilter,
112 
113 #ifdef ITK_USE_CONCEPT_CHECKING
114  // Begin concept checking
115  itkConceptMacro( Input1ConvertibleToDoubleCheck,
117  itkConceptMacro( Input2ConvertibleToDoubleCheck,
119  itkConceptMacro( DoubleConvertibleToOutputCheck,
121  // End concept checking
122 #endif
123 
124 protected:
127 
128 private:
129  SquaredDifferenceImageFilter(const Self &); //purposely not implemented
130  void operator=(const Self &); //purposely not implemented
131 };
132 } // end namespace itk
133 
134 #endif
bool operator==(const SquaredDifference2 &other) const
Base class for all process objects that output image data.
BinaryFunctorImageFilter< TInputImage1, TInputImage2, TOutputImage, Functor::SquaredDifference2< typename TInputImage1::PixelType, typename TInputImage2::PixelType, typename TOutputImage::PixelType > > Superclass
bool operator!=(const SquaredDifference2 &) const
Implements pixel-wise the computation of squared difference.
TOutput operator()(const TInput1 &A, const TInput2 &B) const
#define itkConceptMacro(name, concept)
Implements pixel-wise generic operation of two images, or of an image and a constant.