m_Input = dynamic_cast<const ImageType*>(itk::ProcessObject::GetInput(0));
m_Mediastinum = GetAFDB()->template GetImage <MaskImageType>("Mediastinum");
+ // Global supports for stations
+ StartNewStep("Supports for stations");
+ StartSubStep();
+ ExtractStationSupports();
+ StopSubStep();
+
// Extract Station8
StartNewStep("Station 8");
StartSubStep();
StopSubStep();
// Extract Station2RL
- StartNewStep("Station 2RL");
- StartSubStep();
- ExtractStation_2RL();
- StopSubStep();
+ /*
+ StartNewStep("Station 2RL");
+ StartSubStep();
+ ExtractStation_2RL();
+ StopSubStep();
+ */
// Extract Station3A
StartNewStep("Station 3A");
//--------------------------------------------------------------------
-//--------------------------------------------------------------------
-template <class TImageType>
-void
-clitk::ExtractLymphStationsFilter<TImageType>::
-ExtractStation_8()
-{
- if (CheckForStation("8")) {
- ExtractStation_8_SI_Limits();
- ExtractStation_8_Post_Limits();
- ExtractStation_8_Ant_Sup_Limits();
- ExtractStation_8_Ant_Inf_Limits();
- ExtractStation_8_LR_1_Limits();
- ExtractStation_8_LR_2_Limits();
- ExtractStation_8_LR_Limits();
- ExtractStation_8_Ant_Injected_Limits();
- ExtractStation_8_Single_CCL_Limits();
- ExtractStation_8_Remove_Structures();
- // Store image filenames into AFDB
- writeImage<MaskImageType>(m_ListOfStations["8"], "seg/Station8.mhd");
- GetAFDB()->SetImageFilename("Station8", "seg/Station8.mhd");
- WriteAFDB();
- }
-}
-//--------------------------------------------------------------------
-
-
//--------------------------------------------------------------------
template <class TImageType>
void
//--------------------------------------------------------------------
-//--------------------------------------------------------------------
-template <class TImageType>
-void
-clitk::ExtractLymphStationsFilter<TImageType>::
-ExtractStation_7() {
- if (CheckForStation("7")) {
- ExtractStation_7_SI_Limits();
- ExtractStation_7_RL_Limits();
- ExtractStation_7_Posterior_Limits();
- // ExtractStation_8_Single_CCL_Limits(); // Yes the same than 8
- ExtractStation_7_Remove_Structures();
- // Store image filenames into AFDB
- writeImage<MaskImageType>(m_ListOfStations["7"], "seg/Station7.mhd");
- GetAFDB()->SetImageFilename("Station7", "seg/Station7.mhd");
- WriteAFDB();
- }
-}
-//--------------------------------------------------------------------
-
-
//--------------------------------------------------------------------
template <class TImageType>
void
//--------------------------------------------------------------------
+//--------------------------------------------------------------------
+template <class TImageType>
+void
+clitk::ExtractLymphStationsFilter<TImageType>::
+FindLineForS7S8Separation(MaskImagePointType & A, MaskImagePointType & B)
+{
+ // Create line from A to B with
+ // A = upper border of LLL at left
+ // B = lower border of bronchus intermedius (BI) or RightMiddleLobeBronchus
+
+ try {
+ GetAFDB()->GetPoint3D("LineForS7S8Separation_Begin", A);
+ GetAFDB()->GetPoint3D("LineForS7S8Separation_End", B);
+ }
+ catch(clitk::ExceptionObject & o) {
+
+ DD("FindLineForS7S8Separation");
+ // Load LeftLowerLobeBronchus and get centroid point
+ MaskImagePointer LeftLowerLobeBronchus =
+ GetAFDB()->template GetImage <MaskImageType>("LeftLowerLobeBronchus");
+ std::vector<MaskImagePointType> c;
+ clitk::ComputeCentroids<MaskImageType>(LeftLowerLobeBronchus, GetBackgroundValue(), c);
+ A = c[1];
+
+ // Load RightMiddleLobeBronchus and get superior point (not centroid here)
+ MaskImagePointer RightMiddleLobeBronchus =
+ GetAFDB()->template GetImage <MaskImageType>("RightMiddleLobeBronchus");
+ bool b = FindExtremaPointInAGivenDirection<MaskImageType>(RightMiddleLobeBronchus,
+ GetBackgroundValue(),
+ 2, false, B);
+ if (!b) {
+ clitkExceptionMacro("Error while searching most superior point in RightMiddleLobeBronchus. Abort");
+ }
+
+ // Insert into the DB
+ GetAFDB()->SetPoint3D("LineForS7S8Separation_Begin", A);
+ GetAFDB()->SetPoint3D("LineForS7S8Separation_End", B);
+ }
+}
+//--------------------------------------------------------------------
+
+
+//--------------------------------------------------------------------
+template <class TImageType>
+double
+clitk::ExtractLymphStationsFilter<TImageType>::
+FindCarinaSlicePosition()
+{
+ double z;
+ try {
+ z = GetAFDB()->GetDouble("CarinaZ");
+ }
+ catch(clitk::ExceptionObject e) {
+ DD("FindCarinaSlicePosition");
+ // Get Carina
+ MaskImagePointer Carina = GetAFDB()->template GetImage<MaskImageType>("Carina");
+
+ // Get Centroid and Z value
+ std::vector<MaskImagePointType> centroids;
+ clitk::ComputeCentroids<MaskImageType>(Carina, GetBackgroundValue(), centroids);
+ // We dont need Carina structure from now
+ Carina->Delete();
+
+ // Put inside the AFDB
+ GetAFDB()->SetPoint3D("CarinaPoint", centroids[1]);
+ GetAFDB()->SetDouble("CarinaZ", centroids[1][2]);
+ WriteAFDB();
+ z = centroids[1][2];
+ }
+ return z;
+}
+//--------------------------------------------------------------------
+
+
+//--------------------------------------------------------------------
+template <class TImageType>
+void
+clitk::ExtractLymphStationsFilter<TImageType>::
+FindLeftAndRightBronchi()
+{
+ try {
+ m_RightBronchus = GetAFDB()->template GetImage <MaskImageType>("RightBronchus");
+ m_LeftBronchus = GetAFDB()->template GetImage <MaskImageType>("LeftBronchus");
+ }
+ catch(clitk::ExceptionObject & o) {
+
+ DD("FindLeftAndRightBronchi");
+ // The goal is to separate the trachea inferiorly to the carina into
+ // a Left and Right bronchus.
+
+ // Get the trachea
+ MaskImagePointer Trachea = GetAFDB()->template GetImage<MaskImageType>("Trachea");
+
+ // Get the Carina position
+ m_CarinaZ = FindCarinaSlicePosition();
+
+ // Consider only inferiorly to the Carina
+ MaskImagePointer m_Working_Trachea =
+ clitk::CropImageRemoveGreaterThan<MaskImageType>(Trachea, 2, m_CarinaZ, true, // AutoCrop
+ GetBackgroundValue());
+
+ // Labelize the trachea
+ m_Working_Trachea = Labelize<MaskImageType>(m_Working_Trachea, 0, true, 1);
+
+ // Carina position must at the first slice that separate the two
+ // main bronchus (not superiorly). We thus first check that the
+ // upper slice is composed of at least two labels
+ MaskImagePointer RightBronchus;
+ MaskImagePointer LeftBronchus;
+ typedef itk::ImageSliceIteratorWithIndex<MaskImageType> SliceIteratorType;
+ SliceIteratorType iter(m_Working_Trachea, m_Working_Trachea->GetLargestPossibleRegion());
+ iter.SetFirstDirection(0);
+ iter.SetSecondDirection(1);
+ iter.GoToReverseBegin(); // Start from the end (because image is IS not SI)
+ int maxLabel=0;
+ while (!iter.IsAtReverseEndOfSlice()) {
+ while (!iter.IsAtReverseEndOfLine()) {
+ if (iter.Get() > maxLabel) maxLabel = iter.Get();
+ --iter;
+ }
+ iter.PreviousLine();
+ }
+ if (maxLabel < 2) {
+ clitkExceptionMacro("First slice from Carina does not seems to seperate the two main bronchus. Abort");
+ }
+
+ // Compute 3D centroids of both parts to identify the left from the
+ // right bronchus
+ std::vector<ImagePointType> c;
+ clitk::ComputeCentroids<MaskImageType>(m_Working_Trachea, GetBackgroundValue(), c);
+ ImagePointType C1 = c[1];
+ ImagePointType C2 = c[2];
+
+ ImagePixelType rightLabel;
+ ImagePixelType leftLabel;
+ if (C1[0] < C2[0]) { rightLabel = 1; leftLabel = 2; }
+ else { rightLabel = 2; leftLabel = 1; }
+
+ // Select LeftLabel (set one label to Backgroundvalue)
+ RightBronchus =
+ clitk::Binarize<MaskImageType>(m_Working_Trachea, rightLabel, rightLabel,
+ GetBackgroundValue(), GetForegroundValue());
+ /*
+ SetBackground<MaskImageType, MaskImageType>(m_Working_Trachea, m_Working_Trachea,
+ leftLabel, GetBackgroundValue(), false);
+ */
+ LeftBronchus = clitk::Binarize<MaskImageType>(m_Working_Trachea, leftLabel, leftLabel,
+ GetBackgroundValue(), GetForegroundValue());
+ /*
+ SetBackground<MaskImageType, MaskImageType>(m_Working_Trachea, m_Working_Trachea,
+ rightLabel, GetBackgroundValue(), false);
+ */
+
+ // Crop images
+ RightBronchus = clitk::AutoCrop<MaskImageType>(RightBronchus, GetBackgroundValue());
+ LeftBronchus = clitk::AutoCrop<MaskImageType>(LeftBronchus, GetBackgroundValue());
+
+ // Insert int AFDB if need after
+ GetAFDB()->template SetImage <MaskImageType>("RightBronchus", "seg/rightBronchus.mhd",
+ RightBronchus, true);
+ GetAFDB()->template SetImage <MaskImageType>("LeftBronchus", "seg/leftBronchus.mhd",
+ LeftBronchus, true);
+ }
+}
+//--------------------------------------------------------------------
#endif //#define CLITKBOOLEANOPERATORLABELIMAGEFILTER_TXX
git://git.creatis.insa-lyon.fr / clitk.git / blobdiff