SakurajimaMaiii

> center-croped data could be found in `Domain3/train/ROIs/image` and `Domain3/train/ROIs/mask`,the same for Domain4 

I have the same question. Previous work, such as [FACT](https://github.com/MediaBrain-SJTU/FACT) uses the **training domain validation**. It seems that this paper chooses the best model on the (out of distribution) **test...