ITK  6.0.0
Insight Toolkit
itkSquaredDifferenceImageFilter.h
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1/*=========================================================================
2 *
3 * Copyright NumFOCUS
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
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12 * distributed under the License is distributed on an "AS IS" BASIS,
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14 * See the License for the specific language governing permissions and
15 * limitations under the License.
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17 *=========================================================================*/
18#ifndef itkSquaredDifferenceImageFilter_h
19#define itkSquaredDifferenceImageFilter_h
20
22
23namespace itk
24{
54namespace Functor
55{
56template <typename TInput1, typename TInput2, typename TOutput>
58{
59public:
60 bool
62 {
63 return true;
64 }
68
69 inline TOutput
70 operator()(const TInput1 & A, const TInput2 & B) const
71 {
72 const auto dA = static_cast<double>(A);
73 const auto dB = static_cast<double>(B);
74 const double diff = dA - dB;
75
76 return static_cast<TOutput>(diff * diff);
77 }
78};
79} // namespace Functor
80
81template <typename TInputImage1, typename TInputImage2, typename TOutputImage>
82class ITK_TEMPLATE_EXPORT SquaredDifferenceImageFilter
83 : public BinaryGeneratorImageFilter<TInputImage1, TInputImage2, TOutputImage>
84{
85public:
86 ITK_DISALLOW_COPY_AND_MOVE(SquaredDifferenceImageFilter);
87
91
94
95 using FunctorType = Functor::SquaredDifference2<typename TInputImage1::PixelType,
96 typename TInputImage2::PixelType,
97 typename TOutputImage::PixelType>;
98
100 itkNewMacro(Self);
101
103 itkOverrideGetNameOfClassMacro(SquaredDifferenceImageFilter);
104
105#ifdef ITK_USE_CONCEPT_CHECKING
106 // Begin concept checking
110 // End concept checking
111#endif
112
113protected:
115 {
116#if !defined(ITK_WRAPPING_PARSER)
117 Superclass::SetFunctor(FunctorType());
118#endif
119 }
120 ~SquaredDifferenceImageFilter() override = default;
121};
122} // end namespace itk
123
124#endif
Implements pixel-wise generic operation of two images, or of an image and a constant.
TOutput operator()(const TInput1 &A, const TInput2 &B) const
bool operator==(const SquaredDifference2 &) const
ITK_UNEQUAL_OPERATOR_MEMBER_FUNCTION(SquaredDifference2)
Base class for all process objects that output image data.
The base class for all process objects (source, filters, mappers) in the Insight data processing pipe...
Implements pixel-wise the computation of squared difference.
~SquaredDifferenceImageFilter() override=default
Functor::Add2< typename TInputImage1::PixelType, typename TInputImage2::PixelType, typename TOutputImage::PixelType > FunctorType
#define itkConceptMacro(name, concept)
The "itk" namespace contains all Insight Segmentation and Registration Toolkit (ITK) classes....