[Fix] missing objects in S3DIS preprocessing #1665
Merged
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Motivation
Very few objects (not more than one per scene) are missed due to a bug in S3DIS preprocessing.
Modification
Just add
+ 1
to fix a bug.BC-breaking (Optional)
The users need to regenerate S3DIS annotations. However we do not have 3d object detection models on S3DIS for now.