PU-EVA: An Edge-Vector based Approximation Solution for Flexible-scale
             Point Cloud Upsampling
            Luqing Luo1 , Lulu Tang1, Wanyi Zhou2 , Shizheng Wang3 , Zhi-Xin Yang1
         1
           State Key Laboratory of Internet of Things for Smart City, University of Macau
                      2
                       South China University of Technology
                3
                 Institute of Microelectronics Chinese Academy of Sciences
           {gabrielle tse, lul ...