Overall Testing Accuracy and mIoU on test set of SemanticKITTI using KPConv

[antonis-nt]

Checklist

• [X] I have searched for similar issues.
• [X] I have tested with the latest development wheel.
• [X] I have checked the release documentation and the latest documentation (for main branch).

My Question

Hello, i have tested the kpconv for semantickitti, just for 2 sequences (14 and 17) and i get very low mIoU and accuracy. sequence 14: Overall Testing Accuracy : 0.3673319553580051, mIoU : 0.26943412959107105 sequence 17: Overall Testing Accuracy : 0.3573021415390024, mIoU : 0.2095614369660527