CVPR·2023Grid-guided Neural Radiance Fields for Large Urban ScenesLinning Xu, Yuanbo Xiangli, Sida Peng, Xingang Pan, Nanxuan Zhao, Christian Theobalt, Bo Dai, Dahua LinDOI出版方摘要Ground Truth NeRF-based Feature Grid-based Ours (Grid branch & NeRF branch)