RTK  2.1.0
Reconstruction Toolkit
rtkFourDToProjectionStackImageFilter.h
Go to the documentation of this file.
1 /*=========================================================================
2  *
3  * Copyright RTK 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 rtkFourDToProjectionStackImageFilter_h
19 #define rtkFourDToProjectionStackImageFilter_h
20 
21 #include <itkExtractImageFilter.h>
22 #include <itkPasteImageFilter.h>
23 #include <itkMultiplyImageFilter.h>
24 
25 #include "rtkConstantImageSource.h"
28 
29 namespace rtk
30 {
99 template <typename ProjectionStackType, typename VolumeSeriesType>
100 class FourDToProjectionStackImageFilter : public itk::ImageToImageFilter<ProjectionStackType, ProjectionStackType>
101 {
102 public:
103  ITK_DISALLOW_COPY_AND_ASSIGN(FourDToProjectionStackImageFilter);
104 
109 
111  using VolumeType = ProjectionStackType;
112 
114  itkNewMacro(Self);
115 
118 
120  void
121  SetInputVolumeSeries(const VolumeSeriesType * VolumeSeries);
122 
126  void
127  SetInputProjectionStack(const ProjectionStackType * Projection);
128 
136 
138  void
140 
142  virtual void
144 
146  void
147  SetWeights(const itk::Array2D<float> _arg);
148 
150  void
152 
154  virtual void
155  SetSignal(const std::vector<double> signal);
156 
157 protected:
159  ~FourDToProjectionStackImageFilter() override = default;
160 
161  typename VolumeSeriesType::ConstPointer
163  typename ProjectionStackType::Pointer
165 
167  void
168  GenerateData() override;
169 
170  void
171  GenerateOutputInformation() override;
172 
173  void
174  GenerateInputRequestedRegion() override;
175 
182 
187  std::vector<double> m_Signal;
188 };
189 } // namespace rtk
190 
191 
192 #ifndef ITK_MANUAL_INSTANTIATION
193 # include "rtkFourDToProjectionStackImageFilter.hxx"
194 #endif
195 
196 #endif
~FourDToProjectionStackImageFilter() override=default
Base class for forward projection, i.e. accumulation along x-ray lines.
ConstantProjectionStackSourceType::Pointer m_ConstantProjectionStackSource
Generate an n-dimensional image with constant pixel values.
virtual void SetSignal(const std::vector< double > signal)
VolumeSeriesType::ConstPointer GetInputVolumeSeries()
virtual void SetGeometry(GeometryType::Pointer _arg)
Projection geometry for a source and a 2-D flat panel.
typename TOutputImage::RegionType OutputImageRegionType
ProjectionStackType::Pointer GetInputProjectionStack()
void SetForwardProjectionFilter(const typename ForwardProjectionFilterType::Pointer _arg)
void SetWeights(const itk::Array2D< float > _arg)
void SetInputProjectionStack(const ProjectionStackType *Projection)
Interpolates (linearly) in a 3D+t sequence of volumes to get a 3D volume.
ForwardProjectionFilterType::Pointer m_ForwardProjectionFilter
void SetInputVolumeSeries(const VolumeSeriesType *VolumeSeries)
ConstantProjectionStackSourceType::OutputImageRegionType m_PasteRegion
Implements part of the 4D reconstruction by conjugate gradient.