revert saving masks

add inference on model-free BOP-H3

Update option to ignore instances of some object IDs in visualize.py

add handal dataset configs/data/bop.yaml

saving score distribution

re-center objects when render template and add gray blackground for HOT3D

add option to not save masks

Add max_num_instances to avoid keeping unnecessary detections

Merge pull request #28 from prithvirb/hot3d

[hot3d] adding inference and visualization modules for hot3d dataset

Merge pull request #27 from prithvirb/hot3d

[cnos] add cad model template rendering for hot3d

add mask background for model-free settings

fix typos

Update README.md with results on HOPE