+++ /dev/null
-/*=========================================================================
- Program: vv http://www.creatis.insa-lyon.fr/rio/vv
-
- Authors belong to:
- - University of LYON http://www.universite-lyon.fr/
- - Léon Bérard cancer center http://www.centreleonberard.fr
- - CREATIS CNRS laboratory http://www.creatis.insa-lyon.fr
-
- This software is distributed WITHOUT ANY WARRANTY; without even
- the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- PURPOSE. See the copyright notices for more information.
-
- It is distributed under dual licence
-
- - BSD See included LICENSE.txt file
- - CeCILL-B http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
- ===========================================================================**/
-
-#ifndef CLITKEXTRACTMEDIASTINUMFILTER_H
-#define CLITKEXTRACTMEDIASTINUMFILTER_H
-
-#include "clitkStructuresExtractionFilter.h"
-
-namespace clitk {
-
- //--------------------------------------------------------------------
- /*
- Try to extract the mediastinum part of a thorax CT.
- Input masks needed :
- - Patient
- - Lungs
- - Bones [Optional]
- - Trachea
- - VertebralBody
- */
- //--------------------------------------------------------------------
-
- template <class TImageType>
- class ITK_EXPORT ExtractMediastinumFilter:
- public clitk::StructuresExtractionFilter<TImageType>
- {
-
- public:
- /** Some convenient typedefs. */
- typedef TImageType ImageType;
- typedef typename ImageType::ConstPointer ImageConstPointer;
- typedef typename ImageType::Pointer ImagePointer;
- typedef typename ImageType::RegionType ImageRegionType;
- typedef typename ImageType::PixelType ImagePixelType;
- typedef typename ImageType::SizeType ImageSizeType;
- typedef typename ImageType::IndexType ImageIndexType;
- typedef typename ImageType::PointType ImagePointType;
-
- /** Some convenient typedefs. */
- typedef uchar MaskImagePixelType;
- typedef itk::Image<MaskImagePixelType, 3> MaskImageType;
- typedef typename MaskImageType::ConstPointer MaskImageConstPointer;
- typedef typename MaskImageType::Pointer MaskImagePointer;
- typedef typename MaskImageType::RegionType MaskImageRegionType;
- typedef typename MaskImageType::SizeType MaskImageSizeType;
- typedef typename MaskImageType::IndexType MaskImageIndexType;
- typedef typename MaskImageType::PointType MaskImagePointType;
-
- typedef itk::Image<MaskImagePixelType, 2> MaskSliceType;
- typedef typename MaskSliceType::Pointer MaskSlicePointer;
- typedef typename MaskSliceType::PointType MaskSlicePointType;
-
- /** Standard class typedefs. */
- // typedef itk::ImageToImageFilter<TImageType, MaskImageType> Superclass;
- typedef clitk::StructuresExtractionFilter<TImageType> Superclass;
- typedef ExtractMediastinumFilter Self;
- typedef itk::SmartPointer<Self> Pointer;
- typedef itk::SmartPointer<const Self> ConstPointer;
-
- /** Method for creation through the object factory. */
- itkNewMacro(Self);
-
- /** Run-time type information (and related methods). */
- itkTypeMacro(ExtractMediastinumFilter, InPlaceImageFilter);
- FILTERBASE_INIT;
-
- /** Connect inputs */
- void SetInput(const ImageType * image);
- void SetInputPatientLabelImage(const MaskImageType * image, MaskImagePixelType bg=0);
- void SetInputLungLabelImage(const MaskImageType * image, MaskImagePixelType bg=0,
- MaskImagePixelType fgLeftLung=1, MaskImagePixelType fgRightLung=2);
- void SetInputBonesLabelImage(const MaskImageType * image, MaskImagePixelType bg=0);
- void SetInputTracheaLabelImage(const MaskImageType * image, MaskImagePixelType bg=0);
-
- // Output filename (for AFBD)
- itkSetMacro(OutputMediastinumFilename, std::string);
- itkGetConstMacro(OutputMediastinumFilename, std::string);
-
- /** ImageDimension constants */
- itkStaticConstMacro(ImageDimension, unsigned int, ImageType::ImageDimension);
-
- // Background / Foreground
- itkSetMacro(BackgroundValuePatient, MaskImagePixelType);
- itkGetConstMacro(BackgroundValuePatient, MaskImagePixelType);
-
- itkSetMacro(BackgroundValueLung, MaskImagePixelType);
- itkGetConstMacro(BackgroundValueLung, MaskImagePixelType);
-
- itkSetMacro(BackgroundValueBones, MaskImagePixelType);
- itkGetConstMacro(BackgroundValueBones, MaskImagePixelType);
-
- itkSetMacro(ForegroundValueLeftLung, MaskImagePixelType);
- itkGetConstMacro(ForegroundValueLeftLung, MaskImagePixelType);
-
- itkSetMacro(ForegroundValueRightLung, MaskImagePixelType);
- itkGetConstMacro(ForegroundValueRightLung, MaskImagePixelType);
-
- itkSetMacro(BackgroundValueTrachea, MaskImagePixelType);
- itkGetConstMacro(BackgroundValueTrachea, MaskImagePixelType);
-
- itkSetMacro(IntermediateSpacing, double);
- itkGetConstMacro(IntermediateSpacing, double);
-
- itkBooleanMacro(UseBones);
- itkSetMacro(UseBones, bool);
- itkGetConstMacro(UseBones, bool);
-
- itkSetMacro(DistanceMaxToAnteriorPartOfTheVertebralBody, double);
- itkGetConstMacro(DistanceMaxToAnteriorPartOfTheVertebralBody, double);
-
- void SetFuzzyThreshold(std::string tag, double value);
- double GetFuzzyThreshold(std::string tag);
-
- protected:
- ExtractMediastinumFilter();
- virtual ~ExtractMediastinumFilter() {}
-
- virtual void GenerateOutputInformation();
- virtual void GenerateInputRequestedRegion();
- virtual void GenerateData();
-
- MaskImagePixelType m_BackgroundValuePatient;
- MaskImagePixelType m_BackgroundValueLung;
- MaskImagePixelType m_BackgroundValueBones;
- MaskImagePixelType m_BackgroundValueTrachea;
- MaskImagePixelType m_ForegroundValueLeftLung;
- MaskImagePixelType m_ForegroundValueRightLung;
-
- MaskImagePointer output;
- MaskImagePointer patient;
- MaskImagePointer lung;
- MaskImagePointer bones;
- MaskImagePointer trachea;
-
- std::map<std::string, double> m_FuzzyThreshold;
- double m_IntermediateSpacing;
- bool m_UseBones;
- double m_DistanceMaxToAnteriorPartOfTheVertebralBody;
-
- void RemovePostPartOfVertebralBody();
-
- std::string m_OutputMediastinumFilename;
-
- private:
- ExtractMediastinumFilter(const Self&); //purposely not implemented
- void operator=(const Self&); //purposely not implemented
-
- }; // end class
- //--------------------------------------------------------------------
-
-} // end namespace clitk
-//--------------------------------------------------------------------
-
-#ifndef ITK_MANUAL_INSTANTIATION
-#include "clitkExtractMediastinumFilter.txx"
-#endif
-
-#endif
+++ /dev/null
-/*=========================================================================
- Program: vv http://www.creatis.insa-lyon.fr/rio/vv
-
- Authors belong to:
- - University of LYON http://www.universite-lyon.fr/
- - Léon Bérard cancer center http://www.centreleonberard.fr
- - CREATIS CNRS laboratory http://www.creatis.insa-lyon.fr
-
- This software is distributed WITHOUT ANY WARRANTY; without even
- the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- PURPOSE. See the copyright notices for more information.
-
- It is distributed under dual licence
-
- - BSD See included LICENSE.txt file
- - CeCILL-B http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
- ===========================================================================**/
-
-#ifndef CLITKEXTRACTMEDIASTINUMFILTER_TXX
-#define CLITKEXTRACTMEDIASTINUMFILTER_TXX
-
-// clitk
-#include "clitkCommon.h"
-#include "clitkExtractMediastinumFilter.h"
-#include "clitkAddRelativePositionConstraintToLabelImageFilter.h"
-#include "clitkSliceBySliceRelativePositionFilter.h"
-#include "clitkSegmentationUtils.h"
-#include "clitkExtractAirwaysTreeInfoFilter.h"
-#include "clitkCropLikeImageFilter.h"
-
-// std
-#include <deque>
-
-// itk
-#include "itkStatisticsLabelMapFilter.h"
-#include "itkLabelImageToStatisticsLabelMapFilter.h"
-#include "itkRegionOfInterestImageFilter.h"
-#include "itkBinaryThresholdImageFilter.h"
-#include "itkScalarImageKmeansImageFilter.h"
-
-// itk ENST
-#include "RelativePositionPropImageFilter.h"
-
-//--------------------------------------------------------------------
-template <class ImageType>
-clitk::ExtractMediastinumFilter<ImageType>::
-ExtractMediastinumFilter():
- clitk::StructuresExtractionFilter<ImageType>()
-{
- this->SetNumberOfRequiredInputs(1);
- SetBackgroundValuePatient(0);
- SetBackgroundValueLung(0);
- SetBackgroundValueBones(0);
- SetForegroundValueLeftLung(1);
- SetForegroundValueRightLung(2);
- SetDistanceMaxToAnteriorPartOfTheVertebralBody(10);
- SetOutputMediastinumFilename("mediastinum.mha");
- UseBonesOff();
-}
-//--------------------------------------------------------------------
-
-
-//--------------------------------------------------------------------
-template <class ImageType>
-void
-clitk::ExtractMediastinumFilter<ImageType>::
-SetInputPatientLabelImage(const MaskImageType * image, MaskImagePixelType bg)
-{
- this->SetNthInput(0, const_cast<MaskImageType *>(image));
- m_BackgroundValuePatient = bg;
-}
-//--------------------------------------------------------------------
-
-
-//--------------------------------------------------------------------
-template <class ImageType>
-void
-clitk::ExtractMediastinumFilter<ImageType>::
-SetInputLungLabelImage(const MaskImageType * image, MaskImagePixelType bg,
- MaskImagePixelType fgLeft, MaskImagePixelType fgRight)
-{
- this->SetNthInput(1, const_cast<MaskImageType *>(image));
- m_BackgroundValueLung = bg;
- m_ForegroundValueLeftLung = fgLeft;
- m_ForegroundValueRightLung = fgRight;
-}
-//--------------------------------------------------------------------
-
-
-//--------------------------------------------------------------------
-template <class ImageType>
-void
-clitk::ExtractMediastinumFilter<ImageType>::
-SetInputBonesLabelImage(const MaskImageType * image, MaskImagePixelType bg)
-{
- this->SetNthInput(2, const_cast<MaskImageType *>(image));
- m_BackgroundValueBones = bg;
-}
-//--------------------------------------------------------------------
-
-
-//--------------------------------------------------------------------
-template <class ImageType>
-void
-clitk::ExtractMediastinumFilter<ImageType>::
-SetInputTracheaLabelImage(const MaskImageType * image, MaskImagePixelType bg)
-{
- this->SetNthInput(3, const_cast<MaskImageType *>(image));
- m_BackgroundValueTrachea = bg;
-}
-//--------------------------------------------------------------------
-
-//--------------------------------------------------------------------
-template <class ImageType>
-void
-clitk::ExtractMediastinumFilter<ImageType>::
-SetFuzzyThreshold(std::string tag, double value)
-{
- m_FuzzyThreshold[tag] = value;
-}
-//--------------------------------------------------------------------
-
-
-//--------------------------------------------------------------------
-template <class ImageType>
-double
-clitk::ExtractMediastinumFilter<ImageType>::
-GetFuzzyThreshold(std::string tag)
-{
- if (m_FuzzyThreshold.find(tag) == m_FuzzyThreshold.end()) {
- clitkExceptionMacro("Could not find options "+tag+" in the list of FuzzyThresholds.");
- return 0.0;
- }
-
- return m_FuzzyThreshold[tag];
-}
-//--------------------------------------------------------------------
-
-
-//--------------------------------------------------------------------
-template <class ImageType>
-void
-clitk::ExtractMediastinumFilter<ImageType>::
-GenerateInputRequestedRegion()
-{
- // DD("GenerateInputRequestedRegion");
- // Do not call default
- // Superclass::GenerateInputRequestedRegion();
- // DD("End GenerateInputRequestedRegion");
-}
-//--------------------------------------------------------------------
-
-
-//--------------------------------------------------------------------
-template <class ImageType>
-void
-clitk::ExtractMediastinumFilter<ImageType>::
-SetInput(const ImageType * image)
-{
- this->SetNthInput(0, const_cast<ImageType *>(image));
-}
-//--------------------------------------------------------------------
-
-
-
-//--------------------------------------------------------------------
-template <class ImageType>
-void
-clitk::ExtractMediastinumFilter<ImageType>::
-GenerateOutputInformation() {
- // Do not call default
- // Superclass::GenerateOutputInformation();
-
- //--------------------------------------------------------------------
- // Get input pointers
- this->LoadAFDB();
- ImageConstPointer input = dynamic_cast<const ImageType*>(itk::ProcessObject::GetInput(0));
- MaskImagePointer patient, lung, bones, trachea;
- patient = this->GetAFDB()->template GetImage <MaskImageType>("Patient");
- lung = this->GetAFDB()->template GetImage <MaskImageType>("Lungs");
- if (GetUseBones()) {
- bones = this->GetAFDB()->template GetImage <MaskImageType>("Bones");
- }
- trachea = this->GetAFDB()->template GetImage <MaskImageType>("Trachea");
-
- //this->VerboseImageSizeFlagOn();
-
- //--------------------------------------------------------------------
- // Step : Crop support (patient) to lung extend in RL
- this->StartNewStep("[Mediastinum] Crop support like lungs along LR");
- typedef clitk::CropLikeImageFilter<MaskImageType> CropFilterType;
- typename CropFilterType::Pointer cropFilter = CropFilterType::New();
- cropFilter->SetInput(patient);
- cropFilter->SetCropLikeImage(lung, 0);// Indicate that we only crop in X (Left-Right) axe
- cropFilter->Update();
- output = cropFilter->GetOutput();
- this->template StopCurrentStep<MaskImageType>(output);
-
- //--------------------------------------------------------------------
- // Step : Crop support (previous) to bones extend in AP
- if (GetUseBones()) {
- this->StartNewStep("[Mediastinum] Crop support like bones along AP");
- cropFilter = CropFilterType::New();
- cropFilter->SetInput(output);
- cropFilter->SetCropLikeImage(bones, 1);// Indicate that we only crop in Y (Ant-Post) axe
- cropFilter->Update();
- output = cropFilter->GetOutput();
- this->template StopCurrentStep<MaskImageType>(output);
- }
-
- //--------------------------------------------------------------------
- // Step : patient minus lungs, minus bones, minus trachea
- this->StartNewStep("[Mediastinum] Patient contours minus lungs, trachea [and bones]");
- typedef clitk::BooleanOperatorLabelImageFilter<MaskImageType> BoolFilterType;
- typename BoolFilterType::Pointer boolFilter = BoolFilterType::New();
- boolFilter->InPlaceOn();
- boolFilter->SetInput1(output);
- boolFilter->SetInput2(lung);
- boolFilter->SetOperationType(BoolFilterType::AndNot);
- boolFilter->Update();
- if (GetUseBones()) {
- boolFilter->SetInput1(boolFilter->GetOutput());
- boolFilter->SetInput2(bones);
- boolFilter->SetOperationType(BoolFilterType::AndNot);
- boolFilter->Update();
- }
- boolFilter->SetInput1(boolFilter->GetOutput());
- boolFilter->SetInput2(trachea);
- boolFilter->SetOperationType(BoolFilterType::AndNot);
- boolFilter->Update();
- output = boolFilter->GetOutput();
-
- // Auto crop to gain support area
- output = clitk::AutoCrop<MaskImageType>(output, this->GetBackgroundValue());
- this->template StopCurrentStep<MaskImageType>(output);
-
- //--------------------------------------------------------------------
- // Step : LR limits from lung (need separate lung ?)
- // Get separate lung images to get only the right and left lung
- // (because RelativePositionPropImageFilter only consider fg=1);
- // (label must be '1' because right is greater than left). (WE DO
- // NOT NEED TO SEPARATE ? )
- this->StartNewStep("[Mediastinum] Left/Right limits with lungs");
-
- // The following cannot be "inplace" because mask is the same than input ...
- MaskImagePointer right_lung =
- clitk::SetBackground<MaskImageType, MaskImageType>(lung, lung, 2, 0, false);
- MaskImagePointer left_lung =
- clitk::SetBackground<MaskImageType, MaskImageType>(lung, lung, 1, 0, false);
- left_lung = clitk::SetBackground<MaskImageType, MaskImageType>(left_lung, left_lung, 2, 1, false);
- right_lung = clitk::ResizeImageLike<MaskImageType>(right_lung, output, this->GetBackgroundValue());
- left_lung = clitk::ResizeImageLike<MaskImageType>(left_lung, output, this->GetBackgroundValue());
- this->GetAFDB()->template SetImage<MaskImageType>("RightLung", "seg/RightLung.mha",
- right_lung, true);
- this->GetAFDB()->template SetImage<MaskImageType>("LeftLung", "seg/LeftLung.mha",
- left_lung, true);
- this->GetAFDB()->Write();
- this->template StopCurrentStep<MaskImageType>(output);
-
- //--------------------------------------------------------------------
- // Step : AP limits from bones
- // Separate the bones in the ant-post middle
- MaskImagePointer bones_ant;
- MaskImagePointer bones_post;
- MaskImagePointType middle_AntPost_position;
- middle_AntPost_position.Fill(NumericTraits<MaskImagePointType::ValueType>::Zero);
- if (GetUseBones()) {
- this->StartNewStep("[Mediastinum] Ant/Post limits with bones");
-
- // To define ant and post part of the bones with a single horizontal line
- MaskImageIndexType index_bones_middle;
-
- // Method1: cut in the middle (not optimal)
- /*
- middle_AntPost_position[0] = middle_AntPost_position[2] = 0;
- middle_AntPost_position[1] = bones->GetOrigin()[1]+
- (bones->GetLargestPossibleRegion().GetSize()[1]*bones->GetSpacing()[1])/2.0;
- DD(middle_AntPost_position);
- bones->TransformPhysicalPointToIndex(middle_AntPost_position, index_bones_middle);
- */
-
- // Method2: Use VertebralBody, take most ant point
- MaskImagePointer VertebralBody = this->GetAFDB()->template GetImage<MaskImageType>("VertebralBody");
- FindExtremaPointInAGivenDirection<MaskImageType>(VertebralBody, this->GetBackgroundValue(),
- 1, true, middle_AntPost_position);
- bones->TransformPhysicalPointToIndex(middle_AntPost_position, index_bones_middle);
-
- // Split bone image first into two parts (ant and post), and crop
- // lateraly to get vertebral
- typedef itk::RegionOfInterestImageFilter<MaskImageType, MaskImageType> ROIFilterType;
- // typedef itk::ExtractImageFilter<MaskImageType, MaskImageType> ROIFilterType;
- typename ROIFilterType::Pointer roiFilter = ROIFilterType::New();
- MaskImageRegionType region = bones->GetLargestPossibleRegion();
- MaskImageSizeType size = region.GetSize();
- MaskImageIndexType index = region.GetIndex();
- // ANT part
- // crop LR to keep 1/4 center part
- // index[0] = size[0]/4+size[0]/8;
- //size[0] = size[0]/4;
- // crop AP to keep first (ant) part
- size[1] = index_bones_middle[1]; //size[1]/2.0;
- region.SetSize(size);
- region.SetIndex(index);
- roiFilter->SetInput(bones);
- roiFilter->SetRegionOfInterest(region);
- roiFilter->ReleaseDataFlagOff();
- roiFilter->Update();
- bones_ant = roiFilter->GetOutput();
- // writeImage<MaskImageType>(bones_ant, "b_ant.mhd");
- // POST part
- roiFilter = ROIFilterType::New();
- index[1] = bones->GetLargestPossibleRegion().GetIndex()[1] + size[1]-1;
- size[1] = bones->GetLargestPossibleRegion().GetSize()[1] - size[1];
- region.SetIndex(index);
- region.SetSize(size);
- roiFilter->SetInput(bones);
- roiFilter->SetRegionOfInterest(region);
- roiFilter->ReleaseDataFlagOff();
- roiFilter->Update();
- bones_post = roiFilter->GetOutput();
- // writeImage<MaskImageType>(bones_post, "b_post.mhd");
-
- // Now, insert this image in the AFDB ==> (needed because used in the RelativePosition config file)
- this->GetAFDB()->template SetImage<MaskImageType>("Bones_Post", "seg/Bones_Post.mha",
- bones_post, true);
- this->GetAFDB()->template SetImage<MaskImageType>("Bones_Ant", "seg/Bones_Ant.mha",
- bones_ant, true);
- this->GetAFDB()->Write();
-
- this->template StopCurrentStep<MaskImageType>(output);
- }
-
- //--------------------------------------------------------------------
- // Remove VertebralBody part
- this->StartNewStep("[Mediastinum] Remove VertebralBody");
- MaskImagePointer VertebralBody = this->GetAFDB()->template GetImage<MaskImageType>("VertebralBody");
- clitk::AndNot<MaskImageType>(output, VertebralBody, this->GetBackgroundValue());
- this->template StopCurrentStep<MaskImageType>(output);
-
- //--------------------------------------------------------------------
- // Generic RelativePosition processes
- output = this->ApplyRelativePositionList("Mediastinum", output);
-
-
- //--------------------------------------------------------------------
- // FIXME --> do not put this limits here !
- /*
- // Step : SI limits It is better to do this limit *AFTER* the
- // RelativePosition to avoid some issue due to superior boundaries.
- this->StartNewStep("[Mediastinum] Keep inferior to CricoidCartilag");
- // load Cricoid, get centroid, cut above (or below), lower bound
- MaskImagePointType p;
- try {
- MaskImagePointer CricoidCartilag = this->GetAFDB()->template GetImage <MaskImageType>("CricoidCartilag");
- p[0] = p[1] = p[2] = 0.0; // to avoid warning
- clitk::FindExtremaPointInAGivenDirection<MaskImageType>(CricoidCartilag,
- this->GetBackgroundValue(), 2, true, p);
- } catch (clitk::ExceptionObject e) {
- //DD("CricoidCartilag image not found, try CricoidCartilagZ");
- this->GetAFDB()->GetPoint3D("CricoidCartilagPoint", p);
- }
- output = clitk::CropImageRemoveGreaterThan<MaskImageType>(output, 2, p[2], true, this->GetBackgroundValue());
- this->template StopCurrentStep<MaskImageType>(output);
- */
-
- //--------------------------------------------------------------------
- // Step: Get CCL
- this->StartNewStep("[Mediastinum] Keep main connected component");
- output = clitk::Labelize<MaskImageType>(output, this->GetBackgroundValue(), false, 500);
- // output = RemoveLabels<MaskImageType>(output, BG, param->GetLabelsToRemove());
- output = clitk::KeepLabels<MaskImageType>(output, this->GetBackgroundValue(),
- this->GetForegroundValue(), 1, 1, 0);
- this->template StopCurrentStep<MaskImageType>(output);
-
- //--------------------------------------------------------------------
- // Step: Remove post part from VertebralBody
- this->StartNewStep("[Mediastinum] Remove post part according to VertebralBody");
- RemovePostPartOfVertebralBody();
- this->template StopCurrentStep<MaskImageType>(output);
-
- //--------------------------------------------------------------------
- // Step: Slice by Slice CCL
- this->StartNewStep("[Mediastinum] Slice by Slice keep only one component");
- typedef clitk::ExtractSliceFilter<MaskImageType> ExtractSliceFilterType;
- // typename ExtractSliceFilterType::Pointer
- ExtractSliceFilterType::Pointer extractSliceFilter = ExtractSliceFilterType::New();
- extractSliceFilter->SetInput(output);
- extractSliceFilter->SetDirection(2);
- extractSliceFilter->Update();
- typedef typename ExtractSliceFilterType::SliceType SliceType;
- std::vector<typename SliceType::Pointer> mSlices;
- extractSliceFilter->GetOutputSlices(mSlices);
- for(unsigned int i=0; i<mSlices.size(); i++) {
- mSlices[i] = Labelize<SliceType>(mSlices[i], 0, true, 100);
- mSlices[i] = KeepLabels<SliceType>(mSlices[i], 0, 1, 1, 1, true);
- }
- typedef itk::JoinSeriesImageFilter<SliceType, MaskImageType> JoinSeriesFilterType;
- typename JoinSeriesFilterType::Pointer joinFilter = JoinSeriesFilterType::New();
- joinFilter->SetOrigin(output->GetOrigin()[2]);
- joinFilter->SetSpacing(output->GetSpacing()[2]);
- for(unsigned int i=0; i<mSlices.size(); i++) {
- joinFilter->PushBackInput(mSlices[i]);
- }
- joinFilter->Update();
- output = joinFilter->GetOutput();
- this->template StopCurrentStep<MaskImageType>(output);
-
- //--------------------------------------------------------------------
- // Step 10 : AutoCrop
- this->StartNewStep("[Mediastinum] AutoCrop");
- output = clitk::AutoCrop<MaskImageType>(output, this->GetBackgroundValue());
- this->template StopCurrentStep<MaskImageType>(output);
-
- // End, set the real size
- this->GetOutput(0)->SetRegions(output->GetLargestPossibleRegion());
- this->GetOutput(0)->SetLargestPossibleRegion(output->GetLargestPossibleRegion());
- this->GetOutput(0)->SetRequestedRegion(output->GetLargestPossibleRegion());
- this->GetOutput(0)->SetBufferedRegion(output->GetLargestPossibleRegion());
-}
-//--------------------------------------------------------------------
-
-
-//--------------------------------------------------------------------
-template <class ImageType>
-void
-clitk::ExtractMediastinumFilter<ImageType>::
-GenerateData()
-{
- this->GraftOutput(output);
- // Store image filenames into AFDB
- this->GetAFDB()->SetImageFilename("Mediastinum", this->GetOutputMediastinumFilename());
- this->WriteAFDB();
-}
-//--------------------------------------------------------------------
-
-
-//--------------------------------------------------------------------
-template <class ImageType>
-void
-clitk::ExtractMediastinumFilter<ImageType>::
-RemovePostPartOfVertebralBody()
-{
-
- /*
- Posteriorly, Station 8 abuts the descending aorta and the anterior
- aspect of the vertebral body until an imaginary horizontal line
- running 1 cm posterior to the anterior border of the vertebral
- body (Fig. 3C).
-
- => We use this definition for all the mediastinum
-
- Find most Ant point in VertebralBody. Consider the horizontal line
- which is 'DistanceMaxToAnteriorPartOfTheVertebralBody' away from
- the most ant point.
- */
-
- // Get VertebralBody mask image
- MaskImagePointer VertebralBody =
- this->GetAFDB()->template GetImage <MaskImageType>("VertebralBody");
-
- // Consider vertebral body slice by slice
- std::vector<MaskSlicePointer> vertebralSlices;
- clitk::ExtractSlices<MaskImageType>(VertebralBody, 2, vertebralSlices);
-
- // For each slice, compute the most anterior point
- std::map<int, MaskSlicePointType> vertebralAntPositionBySlice;
- for(uint i=0; i<vertebralSlices.size(); i++) {
- MaskSlicePointType p;
- bool found = clitk::FindExtremaPointInAGivenDirection<MaskSliceType>(vertebralSlices[i],
- this->GetBackgroundValue(),
- 1, true, p);
- if (found) {
- vertebralAntPositionBySlice[i] = p;
- }
- else {
- // It should not happen ! But sometimes, a contour is missing or
- // the VertebralBody is not delineated enough inferiorly ... in
- // those cases, we consider the first found slice.
- // std::cerr << "No foreground pixels in this VertebralBody slices !?? I try with the previous/next slice" << std::endl;
- // [ Possible alternative -> consider previous limit ]
- }
- }
-
- // Convert 2D points in slice into 3D points
- std::vector<MaskImagePointType> vertebralAntPositions;
- clitk::PointsUtils<MaskImageType>::Convert2DMapTo3DList(vertebralAntPositionBySlice,
- VertebralBody,
- vertebralAntPositions);
-
- // DEBUG : write list of points
- clitk::WriteListOfLandmarks<MaskImageType>(vertebralAntPositions,
- "VertebralBodyMostAnteriorPoints.txt");
-
- // Cut support posteriorly 1cm the most anterior point of the
- // VertebralBody. Do nothing below and above the VertebralBody. To
- // do that compute several region, slice by slice and fill.
- MaskImageRegionType region;
- MaskImageSizeType size;
- MaskImageIndexType start;
- size[2] = 1; // a single slice
- start[0] = output->GetLargestPossibleRegion().GetIndex()[0];
- size[0] = output->GetLargestPossibleRegion().GetSize()[0];
- for(uint i=0; i<vertebralAntPositions.size(); i++) {
- typedef typename itk::ImageRegionIterator<MaskImageType> IteratorType;
- IteratorType iter =
- IteratorType(output, output->GetLargestPossibleRegion());
- MaskImageIndexType index;
- // Consider some cm posterior to most anterior positions (usually
- // 1 cm).
- vertebralAntPositions[i][1] += GetDistanceMaxToAnteriorPartOfTheVertebralBody();
- // Get index of this point
- output->TransformPhysicalPointToIndex(vertebralAntPositions[i], index);
- // Compute region (a single slice)
- start[2] = index[2];
- start[1] = output->GetLargestPossibleRegion().GetIndex()[1]+index[1];
- size[1] = output->GetLargestPossibleRegion().GetSize()[1]-start[1];
- region.SetSize(size);
- region.SetIndex(start);
- // Fill region
- if (output->GetLargestPossibleRegion().IsInside(start)) {
- itk::ImageRegionIterator<MaskImageType> it(output, region);
- it.GoToBegin();
- while (!it.IsAtEnd()) {
- it.Set(this->GetBackgroundValue());
- ++it;
- }
- }
- }
-}
-//--------------------------------------------------------------------
-
-
-#endif //#define CLITKBOOLEANOPERATORLABELIMAGEFILTER_TXX
git://git.creatis.insa-lyon.fr / clitk.git / commitdiff