[Fix] Fix ignore class id from -1 to 255 in BaseSegDataset in 1.x

open-mmlab · Nov 21, 2022 · cfab5b3 · cfab5b3
1 parent 8ea777e
commit cfab5b3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/mmseg/datasets/basesegdataset.py b/mmseg/datasets/basesegdataset.py
@@ -179,7 +179,7 @@ def get_label_map(cls,
  f'subset of classes {old_classes} in METAINFO.')
  for i, c in enumerate(old_classes):
  if c not in new_classes:
- label_map[i] = -1
+ label_map[i] = 255
  else:
  label_map[i] = new_classes.index(c)
  return label_map