Prototype Embedding Optimization for Human-Object Interaction Detection in Livestreaming

• URL: http://arxiv.org/abs/2505.22011v2
• Date: Mon, 04 Aug 2025 14:48:23 GMT
• Title: Prototype Embedding Optimization for Human-Object Interaction Detection in Livestreaming
• Authors: Menghui Zhang, Jing Zhang, Lin Chen, Li Zhuo,
• Abstract summary: We propose a prototype embedding optimization for human-object interaction detection (PeO-HOI)<n>Prototype embedding optimization is adopted to mitigate the effect of object bias on HOI.<n>Results show that the detection accuracy of the proposed PeO-HOI method has detection accuracies of 37.19%@full, 51.42%@non-rare, 26.20%@rare.
• Score: 14.838579323779914
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Livestreaming often involves interactions between streamers and objects, which is critical for understanding and regulating web content. While human-object interaction (HOI) detection has made some progress in general-purpose video downstream tasks, when applied to recognize the interaction behaviors between a streamer and different objects in livestreaming, it tends to focuses too much on the objects and neglects their interactions with the streamer, which leads to object bias. To solve this issue, we propose a prototype embedding optimization for human-object interaction detection (PeO-HOI). First, the livestreaming is preprocessed using object detection and tracking techniques to extract features of the human-object (HO) pairs. Then, prototype embedding optimization is adopted to mitigate the effect of object bias on HOI. Finally, after modelling the spatio-temporal context between HO pairs, the HOI detection results are obtained by the prediction head. The experimental results show that the detection accuracy of the proposed PeO-HOI method has detection accuracies of 37.19%@full, 51.42%@non-rare, 26.20%@rare on the publicly available dataset VidHOI, 45.13%@full, 62.78%@non-rare and 30.37%@rare on the self-built dataset BJUT-HOI, which effectively improves the HOI detection performance in livestreaming.

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