Diagnosing Human-object Interaction Detectors

• URL: http://arxiv.org/abs/2308.08529v2
• Date: Fri, 1 Dec 2023 18:57:27 GMT
• Title: Diagnosing Human-object Interaction Detectors
• Authors: Fangrui Zhu, Yiming Xie, Weidi Xie, Huaizu Jiang
• Abstract summary: We introduce a diagnosis toolbox to provide detailed quantitative break-down analysis of HOI detection models. We analyze eight state-of-the-art HOI detection models and provide valuable diagnosis insights to foster future research.
• Score: 42.283857276076596
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We have witnessed significant progress in human-object interaction (HOI) detection. The reliance on mAP (mean Average Precision) scores as a summary metric, however, does not provide sufficient insight into the nuances of model performance (e.g., why one model is better than another), which can hinder further innovation in this field. To address this issue, in this paper, we introduce a diagnosis toolbox to provide detailed quantitative break-down analysis of HOI detection models, inspired by the success of object detection diagnosis toolboxes. We first conduct holistic investigations in the pipeline of HOI detection. By defining a set of errors and the oracles to fix each of them, we can have a quantitative analysis of the significance of different errors according to the mAP improvement obtained from fixing each error. We then delve into two sub-tasks of HOI detection: human-object pair detection and interaction classification, respectively. For the first detection task, we compute the coverage of ground-truth human-object pairs as well as the noisiness level in the detection results. For the second classification task, we measure a model's performance of differentiating positive and negative detection results and also classifying the actual interactions when the human-object pairs are correctly detected. We analyze eight state-of-the-art HOI detection models and provide valuable diagnosis insights to foster future research. For instance, our diagnosis shows that state-of-the-art model RLIPv2 outperforms others mainly because it significantly improves the multi-label interaction classification accuracy. Our toolbox is applicable for different methods across different datasets and available at https://github.com/neu-vi/Diag-HOI.

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