Merge branch 'development_robert' of github.com:Hendrik-code/TPTBox into development_robert

Author: robert-graf

TPTBox/core/bids_constants.py

@@ -163,6 +163,7 @@
     "localizer",
     "difference",
     "labels",
+    "pet"
 ]
 # https://bids-specification.readthedocs.io/en/stable/appendices/entity-table.html
 formats_relaxed = [*formats, "t2", "t1", "t2c", "t1c", "mr", "snapshot", "t1dixon", "dwi", "ctb"]

TPTBox/core/dicom/dicom_header_to_keys.py

@@ -268,6 +268,8 @@ def _get(key, default=None):
         found = False
         if modality == "ct":
             mri_format = "ct"
+        elif modality.lower() == "pt":
+            mri_format = "pet"
         elif modality == "xa":  # Angiography
             biplane = False
             if "BIPLANE A" in image_type or "SINGLE A" in image_type:

TPTBox/core/np_utils.py

@@ -944,7 +944,7 @@ def np_get_connected_components_center_of_mass(
         connectivity=connectivity,
         label_ref=label,
     )
-    coms = list(np_center_of_mass(subreg_cc[label]).values())
+    coms = list(np_center_of_mass(subreg_cc[label]).values()) if label in subreg_cc else None
 
     if sort_by_axis is not None:
         coms.sort(key=lambda a: a[sort_by_axis])