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Search results with tag "Point cloud transformer"
PCT: Point Cloud Transformer - Tsinghua University
cg.cs.tsinghua.edu.cnPointNet [21] pioneered point cloud learning. Subse-quently, Qi et al. proposed PointNet++ [22], which uses query ball grouping and hierarchical PointNet to capture lo-cal structures. Several subsequent works considered how to define convolution operations on point clouds. One main approach is to convert a point cloud into a regular voxel
PCT: Point Cloud Transformer - arXiv
arxiv.orgTransformer, a positional encoding module is applied to represent the word order in nature language. This can distinguish the same word in different positions and reflect the positional relationships between words. ... graph convolution learning [3]. From this perspective,