ITK  5.0.0 Insight Segmentation and Registration Toolkit
itkVectorRescaleIntensityImageFilter.h
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17  *=========================================================================*/
18 #ifndef itkVectorRescaleIntensityImageFilter_h
19 #define itkVectorRescaleIntensityImageFilter_h
20
21 #include "itkMath.h"
23
24 namespace itk
25 {
26 // This functor class applies a scaling transformation A.x
27 // to input values.
28 namespace Functor
29 {
30 template< typename TInput, typename TOutput >
31 class ITK_TEMPLATE_EXPORT VectorMagnitudeLinearTransform
32 {
33 public:
35  VectorMagnitudeLinearTransform() : m_Factor(0.0) {}
36  ~VectorMagnitudeLinearTransform() = default;
37  void SetFactor(RealType a) { m_Factor = a; }
38  static constexpr unsigned int VectorDimension = TInput::Dimension;
39  bool operator!=(const VectorMagnitudeLinearTransform & other) const
40  {
41  if ( Math::NotExactlyEquals(m_Factor, other.m_Factor) )
42  {
43  return true;
44  }
45  return false;
46  }
47
48  bool operator==(const VectorMagnitudeLinearTransform & other) const
49  {
50  return !( *this != other );
51  }
52
53  inline TOutput operator()(const TInput & x) const
54  {
55  TOutput result;
56
57  for ( unsigned int i = 0; i < VectorDimension; i++ )
58  {
59  const RealType scaledComponent = static_cast< RealType >( x[i] ) * m_Factor;
60  result[i] = static_cast< typename TOutput::ValueType >( scaledComponent );
61  }
62  return result;
63  }
64
65 private:
67 };
68 } // end namespace Functor
69
92 template< typename TInputImage, typename TOutputImage = TInputImage >
93 class ITK_TEMPLATE_EXPORT VectorRescaleIntensityImageFilter:
94  public
95  UnaryFunctorImageFilter< TInputImage, TOutputImage,
96  Functor::VectorMagnitudeLinearTransform<
97  typename TInputImage::PixelType,
98  typename TOutputImage::PixelType > >
99 {
100 public:
101  ITK_DISALLOW_COPY_AND_ASSIGN(VectorRescaleIntensityImageFilter);
102
106  TInputImage, TOutputImage,
108  typename TInputImage::PixelType,
109  typename TOutputImage::PixelType > >;
110
113
114  using OutputPixelType = typename TOutputImage::PixelType;
115  using InputPixelType = typename TInputImage::PixelType;
116  using InputValueType = typename InputPixelType::ValueType;
117  using OutputValueType = typename OutputPixelType::ValueType;
120
121  using InputImageType = typename Superclass::InputImageType;
122  using InputImagePointer = typename Superclass::InputImagePointer;
123
126
128  itkNewMacro(Self);
129
130  itkSetMacro(OutputMaximumMagnitude, OutputRealType);
131  itkGetConstReferenceMacro(OutputMaximumMagnitude, OutputRealType);
132
136  itkGetConstReferenceMacro(Scale, InputRealType);
137  itkGetConstReferenceMacro(Shift, InputRealType);
139
142  itkGetConstReferenceMacro(InputMaximumMagnitude, InputRealType);
143
146
147  void PrintSelf(std::ostream & os, Indent indent) const override;
148
149 #ifdef ITK_USE_CONCEPT_CHECKING
150  // Begin concept checking
151  itkConceptMacro( InputHasNumericTraitsCheck,
153  itkConceptMacro( OutputHasNumericTraitsCheck,
155  // End concept checking
156 #endif
157
158 protected:
160  ~VectorRescaleIntensityImageFilter() override = default;
161
162 private:
165
168 };
169 } // end namespace itk
170
171 #ifndef ITK_MANUAL_INSTANTIATION
172 #include "itkVectorRescaleIntensityImageFilter.hxx"
173 #endif
174
175 #endif
Define numeric traits for std::vector.
typename NumericTraits< OutputValueType >::RealType OutputRealType
The base class for all process objects (source, filters, mappers) in the Insight data processing pipe...
Base class for all process objects that output image data.
typename NumericTraits< InputValueType >::RealType InputRealType
typename InputImageType::Pointer InputImagePointer
bool operator==(const VectorMagnitudeLinearTransform &other) const
typename NumericTraits< typename TInputImage::PixelType::ValueType >::RealType RealType
bool NotExactlyEquals(const TInput1 &x1, const TInput2 &x2)
Definition: itkMath.h:718
Implements pixel-wise generic operation on one image.
bool operator!=(const VectorMagnitudeLinearTransform &other) const
Control indentation during Print() invocation.
Definition: itkIndent.h:49
Applies a linear transformation to the magnitude of pixel vectors in a vector Image.
#define itkConceptMacro(name, concept)