Oracle model selection is used in this work?

[BierOne]

Hi @chenwydj! Thanks for this outstanding work. Your public code really helps me a lot.

But I am a little confused about the model selection procedure, since the best model evaluated on the target domain (Cityscapes) is saved. This seems not a popular way to select models in domain generalization. Or is this the popular way in the current GTA5->Cityscapes task?

Pls let me know if I miss something. Thank you so much.