SGMNet: Learning Rotation-Invariant Point Cloud Representations
via Sorted Gram Matrix
Jianyun Xu, Xin Tang, Yushi Zhu, Jie Sun, Shiliang Pu*
Hikvision Research Institute
{xujianyun, tangxin10, zhuyushi, sunjie, pushiliang.hri}@hikvision.com
Abstract local patch local patch
Recently, various works that attempted to introduce rota- circle :
tion in ...


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