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fix(auto_labeling_3d): fix inconsistent deepen label fields #208

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fix(auto_labeling_3d): fix inconsistent deepen label fields #208

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16 changes: 14 additions & 2 deletions tools/auto_labeling_3d/utils/dataset/annotation_tool_dataset.py
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Original file line number Diff line number Diff line change
Expand Up @@ -109,6 +109,16 @@ def assign_id(self, uuid: str, label: str) -> str:

return unique_label_id

def assign_label_category_id(self, uuid: str, label: str) -> str:
"""Return the stable label category associated with the UUID's unique ID.

Tracking can keep one UUID across compatible per-frame class changes (for example,
car/truck). Deepen expects the category to match the class prefix of label_id, so
derive the category from the assigned run-level ID instead of the frame label.
"""
unique_label_id = self.assign_id(uuid, label)
return unique_label_id.rsplit(":", maxsplit=1)[0]
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@KSeangTan KSeangTan May 8, 2026

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Docstring why it is [0]



@dataclass(frozen=True)
class AnnotationToolDataset:
Expand Down Expand Up @@ -199,12 +209,14 @@ def _create_annotations_from_info(info: AWML3DInfo, tool_id: str) -> list[dict]:
file_id: str = f"{idx}.pcd"

for box_global in boxes_in_frame_global:
unique_label_id: str = id_generator.assign_id(box_global.uuid, str(box_global.semantic_label.name))
label_name = str(box_global.semantic_label.name)
unique_label_id: str = id_generator.assign_id(box_global.uuid, label_name)
label_category_id: str = id_generator.assign_label_category_id(box_global.uuid, label_name)

annotation_fields = DeepenAnnotationFields(
dataset_id=tool_id,
file_id=file_id,
label_category_id=str(box_global.semantic_label.name),
label_category_id=label_category_id,
label_id=unique_label_id,
label_type="3d_bbox",
attributes={"pseudo-label": "auto-labeled"},
Expand Down