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Poster
HOI Analysis: Integrating and Decomposing Human-Object Interaction
Yong-Lu Li · Xinpeng Liu · Xiaoqian Wu · Yizhuo Li · Cewu Lu

Tue Dec 08 09:00 PM -- 11:00 PM (PST) @ Poster Session 2 #733

Human-Object Interaction (HOI) consists of human, object and implicit interaction/verb. Different from previous methods that directly map pixels to HOI semantics, we propose a novel perspective for HOI learning in an analytical manner. In analogy to Harmonic Analysis, whose goal is to study how to represent the signals with the superposition of basic waves, we propose the HOI Analysis. We argue that coherent HOI can be decomposed into isolated human and object. Meanwhile, isolated human and object can also be integrated into coherent HOI again. Moreover, transformations between human-object pairs with the same HOI can also be easier approached with integration and decomposition. As a result, the implicit verb will be represented in the transformation function space. In light of this, we propose an Integration-Decomposition Network (IDN) to implement the above transformations and achieve state-of-the-art performance on widely-used HOI detection benchmarks. Code is available at https://github.com/DirtyHarryLYL/HAKE-Action-Torch/tree/IDN-(Integrating-Decomposing-Network).

Author Information

Yong-Lu Li (Shanghai Jiao Tong University)
Xinpeng Liu (Shanghai Jiao Tong University)
Xiaoqian Wu (Shanghai Jiao Tong University)
Yizhuo Li (Shanghai Jiao Tong University)
Cewu Lu (Shanghai Jiao Tong University)

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