Visual-Semantic Graph Attention Networks for Human-Object Interaction Detection

• URL: http://arxiv.org/abs/2001.02302v6
• Date: Sat, 6 Mar 2021 05:42:22 GMT
• Title: Visual-Semantic Graph Attention Networks for Human-Object Interaction Detection
• Authors: Zhijun Liang, Juan Rojas, Junfa Liu, Yisheng Guan
• Abstract summary: Human-Object Interaction (HOI) Detection infers the action predicate on a human, predicate, object> triplet. We study the disambiguating contribution of subsidiary relations made available via graph networks. We contribute a dual-graph attention network that effectively aggregates contextual visual, spatial, and semantic information.
• Score: 6.161066669674775
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: In scene understanding, robotics benefit from not only detecting individual scene instances but also from learning their possible interactions. Human-Object Interaction (HOI) Detection infers the action predicate on a <human, predicate, object> triplet. Contextual information has been found critical in inferring interactions. However, most works only use local features from single human-object pair for inference. Few works have studied the disambiguating contribution of subsidiary relations made available via graph networks. Similarly, few have learned to effectively leverage visual cues along with the intrinsic semantic regularities contained in HOIs. We contribute a dual-graph attention network that effectively aggregates contextual visual, spatial, and semantic information dynamically from primary human-object relations as well as subsidiary relations through attention mechanisms for strong disambiguating power. We achieve comparable results on two benchmarks: V-COCO and HICO-DET. Code is available at \url{https://github.com/birlrobotics/vs-gats}.

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