1 /*=========================================================================
2  *
3  *  Copyright Insight Software Consortium
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
8  *
9  *         http://www.apache.org/licenses/LICENSE-2.0.txt
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  *
17  *=========================================================================*/
18 #ifndef itkMeanSquaresImageToImageMetricv4_h
19 #define itkMeanSquaresImageToImageMetricv4_h
20 
21 #include "itkImageToImageMetricv4.h"
22 #include "itkMeanSquaresImageToImageMetricv4GetValueAndDerivativeThreader.h"
23 #include "itkDefaultImageToImageMetricTraitsv4.h"
24 
25 namespace itk
26 {
27 
28 /** \class MeanSquaresImageToImageMetricv4
29  *
30  *  \brief Class implementing a mean squares metric.
31  *
32  *  This class supports vector images of type VectorImage
33  *  and Image< VectorType, imageDimension >.
34  *
35  *  See
36  *  MeanSquaresImageToImageMetricv4GetValueAndDerivativeThreader::ProcessPoint for algorithm implementation.
37  *
38  * \ingroup ITKMetricsv4
39  */
40 template <typename TFixedImage, typename TMovingImage, typename TVirtualImage = TFixedImage,
41           typename TInternalComputationValueType = double,
42           typename TMetricTraits = DefaultImageToImageMetricTraitsv4<TFixedImage,TMovingImage,TVirtualImage,TInternalComputationValueType>
43           >
44 class ITK_TEMPLATE_EXPORT MeanSquaresImageToImageMetricv4 :
45   public ImageToImageMetricv4<TFixedImage, TMovingImage, TVirtualImage, TInternalComputationValueType, TMetricTraits>
46 {
47 public:
48   ITK_DISALLOW_COPY_AND_ASSIGN(MeanSquaresImageToImageMetricv4);
49 
50   /** Standard class type aliases. */
51   using Self = MeanSquaresImageToImageMetricv4;
52   using Superclass = ImageToImageMetricv4<TFixedImage, TMovingImage, TVirtualImage, TInternalComputationValueType, TMetricTraits>;
53   using Pointer = SmartPointer<Self>;
54   using ConstPointer = SmartPointer<const Self>;
55 
56   /** Method for creation through the object factory. */
57   itkNewMacro(Self);
58 
59   /** Run-time type information (and related methods). */
60   itkTypeMacro(MeanSquaresImageToImageMetricv4, ImageToImageMetricv4);
61 
62   using DerivativeType = typename Superclass::DerivativeType;
63 
64   using FixedImagePointType = typename Superclass::FixedImagePointType;
65   using FixedImagePixelType = typename Superclass::FixedImagePixelType;
66   using FixedImageGradientType = typename Superclass::FixedImageGradientType;
67 
68   using MovingImagePointType = typename Superclass::MovingImagePointType;
69   using MovingImagePixelType = typename Superclass::MovingImagePixelType;
70   using MovingImageGradientType = typename Superclass::MovingImageGradientType;
71 
72   using MovingTransformType = typename Superclass::MovingTransformType;
73   using JacobianType = typename Superclass::JacobianType;
74   using VirtualImageType = typename Superclass::VirtualImageType;
75   using VirtualIndexType = typename Superclass::VirtualIndexType;
76   using VirtualPointType = typename Superclass::VirtualPointType;
77   using VirtualPointSetType = typename Superclass::VirtualPointSetType;
78 
79   /* Image dimension accessors */
80   static constexpr typename TVirtualImage::ImageDimensionType VirtualImageDimension = TVirtualImage::ImageDimension;
81   static constexpr typename TFixedImage::ImageDimensionType FixedImageDimension = TFixedImage::ImageDimension;
82   static constexpr typename TMovingImage::ImageDimensionType MovingImageDimension = TMovingImage::ImageDimension;
83 
84 protected:
85   MeanSquaresImageToImageMetricv4();
86   ~MeanSquaresImageToImageMetricv4() override = default;
87 
88   friend class MeanSquaresImageToImageMetricv4GetValueAndDerivativeThreader< ThreadedImageRegionPartitioner< Superclass::VirtualImageDimension >, Superclass, Self >;
89   friend class MeanSquaresImageToImageMetricv4GetValueAndDerivativeThreader< ThreadedIndexedContainerPartitioner, Superclass, Self >;
90   using MeanSquaresDenseGetValueAndDerivativeThreaderType =
91       MeanSquaresImageToImageMetricv4GetValueAndDerivativeThreader< ThreadedImageRegionPartitioner< Superclass::VirtualImageDimension >, Superclass, Self >;
92   using MeanSquaresSparseGetValueAndDerivativeThreaderType =
93       MeanSquaresImageToImageMetricv4GetValueAndDerivativeThreader< ThreadedIndexedContainerPartitioner, Superclass, Self >;
94 
95   void PrintSelf(std::ostream& os, Indent indent) const override;
96 };
97 
98 } // end namespace itk
99 
100 #ifndef ITK_MANUAL_INSTANTIATION
101 #include "itkMeanSquaresImageToImageMetricv4.hxx"
102 #endif
103 
104 #endif
105