Difference between refs and ref_values

[OctoNinja9]

Dear author,

I do not understand the difference between refs and ref_values. Can you tell me their difference?

UniRef/projects/UniRef/uniref/models/fuse_helper/unifusion.py

Line 79 in e339305

ref, ref_value, mask = lang_dict_features["refs"], lang_dict_features["ref_values"], lang_dict_features["masks"]

[wjn922]

In the QKV attention, ref plays the role of K and ref_values is V.

For the RVOS task, ref and ref_values are the same which come from the text features.
For the VOS task, ref is from image features and ref_values is from image+mask features.