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SiT-MLP: A Simple MLP with Point-wise Topology Feature Learning for Skeleton-based Action Recognition
April 9, 2024, 4:48 a.m. | Shaojie Zhang, Jianqin Yin, Yonghao Dang, Jiajun Fu
cs.CV updates on arXiv.org arxiv.org
Abstract: Graph convolution networks (GCNs) have achieved remarkable performance in skeleton-based action recognition. However, previous GCN-based methods rely on elaborate human priors excessively and construct complex feature aggregation mechanisms, which limits the generalizability and effectiveness of networks. To solve these problems, we propose a novel Spatial Topology Gating Unit (STGU), an MLP-based variant without extra priors, to capture the co-occurrence topology features that encode the spatial dependency across all joints. In STGU, to learn the point-wise …
action recognition arxiv cs.cv feature mlp recognition simple topology type wise
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