Ruihui Li Xianzhi Li 0001 Pheng-Ann Heng Chi-Wing Fu Point Cloud Upsampling via Disentangled Refinement. 344-353 2021 CVPR https://openaccess.thecvf.com/content/CVPR2021/html/Li_Point_Cloud_Upsampling_via_Disentangled_Refinement_CVPR_2021_paper.html https://doi.org/10.1109/CVPR46437.2021.00041 conf/cvpr/2021 db/conf/cvpr/cvpr2021.html#LiLHF21