propagate information within each non-boundary region [1]
focus on unconfident boundary regions [2]
fuse boundary feature and image feature [3]
Reference
[1] Ding, Henghui, et al. “Boundary-aware feature propagation for scene segmentation.” ICCV, 2019.
[2] Marin, Dmitrii, et al. “Efficient segmentation: Learning downsampling near semantic boundaries.” ICCV, 2019.
[3] Takikawa, Towaki, et al. “Gated-scnn: Gated shape cnns for semantic segmentation.” ICCV, 2019.