Geometric Features Informed Multi-person Human-object Interaction Recognition in Videos

• URL: http://arxiv.org/abs/2207.09425v1
• Date: Tue, 19 Jul 2022 17:36:55 GMT
• Title: Geometric Features Informed Multi-person Human-object Interaction Recognition in Videos
• Authors: Tanqiu Qiao and Qianhui Men and Frederick W. B. Li and Yoshiki Kubotani and Shigeo Morishima and Hubert P. H. Shum
• Abstract summary: We argue to combine the benefits of both visual and geometric features in HOI recognition. We propose a novel Two-level Geometric feature-informed Graph Convolutional Network (2G-GCN) To demonstrate the novelty and effectiveness of our method in challenging scenarios, we propose a new multi-person HOI dataset (MPHOI-72)
• Score: 19.64072251418535
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Human-Object Interaction (HOI) recognition in videos is important for analyzing human activity. Most existing work focusing on visual features usually suffer from occlusion in the real-world scenarios. Such a problem will be further complicated when multiple people and objects are involved in HOIs. Consider that geometric features such as human pose and object position provide meaningful information to understand HOIs, we argue to combine the benefits of both visual and geometric features in HOI recognition, and propose a novel Two-level Geometric feature-informed Graph Convolutional Network (2G-GCN). The geometric-level graph models the interdependency between geometric features of humans and objects, while the fusion-level graph further fuses them with visual features of humans and objects. To demonstrate the novelty and effectiveness of our method in challenging scenarios, we propose a new multi-person HOI dataset (MPHOI-72). Extensive experiments on MPHOI-72 (multi-person HOI), CAD-120 (single-human HOI) and Bimanual Actions (two-hand HOI) datasets demonstrate our superior performance compared to state-of-the-arts.

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