Hi, I'm confused about the role of the self.use_mask in the line [748](https://github.com/Megvii-BaseDetection/BEVStereo/blob/62711e779472dac5907b2622b227416e3694e131/layers/backbones/lss_fpn.py#L748) I can't find any explanation of it in the paper.
Hi,
I'm confused about the role of the self.use_mask in the line 748
I can't find any explanation of it in the paper.