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Representing Videos as Discriminative Sub-graphs for Action Recognition. (arXiv:2201.04027v1 [cs.CV])
Jan. 12, 2022, 2:10 a.m. | Dong Li, Zhaofan Qiu, Yingwei Pan, Ting Yao, Houqiang Li, Tao Mei
cs.CV updates on arXiv.org arxiv.org
Human actions are typically of combinatorial structures or patterns, i.e.,
subjects, objects, plus spatio-temporal interactions in between. Discovering
such structures is therefore a rewarding way to reason about the dynamics of
interactions and recognize the actions. In this paper, we introduce a new
design of sub-graphs to represent and encode the discriminative patterns of
each action in the videos. Specifically, we present MUlti-scale Sub-graph
LEarning (MUSLE) framework that novelly builds space-time graphs and clusters
the graphs into compact sub-graphs on …
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