Web: http://arxiv.org/abs/2205.05740

May 13, 2022, 1:10 a.m. | Haoxi Ran, Jun Liu, Chengjie Wang

cs.CV updates on arXiv.org arxiv.org

Most prior work represents the shapes of point clouds by coordinates.
However, it is insufficient to describe the local geometry directly. In this
paper, we present \textbf{RepSurf} (representative surfaces), a novel
representation of point clouds to \textbf{explicitly} depict the very local
structure. We explore two variants of RepSurf, Triangular RepSurf and Umbrella
RepSurf inspired by triangle meshes and umbrella curvature in computer
graphics. We compute the representations of RepSurf by predefined geometric
priors after surface reconstruction. RepSurf can be a …

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