OpenAnimals: Revisiting Person Re-Identification for Animals Towards Better Generalization

• URL: http://arxiv.org/abs/2410.00204v1
• Date: Mon, 30 Sep 2024 20:07:14 GMT
• Title: OpenAnimals: Revisiting Person Re-Identification for Animals Towards Better Generalization
• Authors: Saihui Hou, Panjian Huang, Zengbin Wang, Yuan Liu, Zeyu Li, Man Zhang, Yongzhen Huang,
• Abstract summary: We conduct a study by revisiting several state-of-the-art person re-identification methods, including BoT, AGW, SBS, and MGN. We evaluate their effectiveness on animal re-identification benchmarks such as HyenaID, LeopardID, SeaTurtleID, and WhaleSharkID. Our findings reveal that while some techniques well, many do not generalize, underscoring the significant differences between the two tasks. We propose ARBase, a strong textbfBase model tailored for textbfAnimal textbfRe-
• Score: 10.176567936487364
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: This paper addresses the challenge of animal re-identification, an emerging field that shares similarities with person re-identification but presents unique complexities due to the diverse species, environments and poses. To facilitate research in this domain, we introduce OpenAnimals, a flexible and extensible codebase designed specifically for animal re-identification. We conduct a comprehensive study by revisiting several state-of-the-art person re-identification methods, including BoT, AGW, SBS, and MGN, and evaluate their effectiveness on animal re-identification benchmarks such as HyenaID, LeopardID, SeaTurtleID, and WhaleSharkID. Our findings reveal that while some techniques generalize well, many do not, underscoring the significant differences between the two tasks. To bridge this gap, we propose ARBase, a strong \textbf{Base} model tailored for \textbf{A}nimal \textbf{R}e-identification, which incorporates insights from extensive experiments and introduces simple yet effective animal-oriented designs. Experiments demonstrate that ARBase consistently outperforms existing baselines, achieving state-of-the-art performance across various benchmarks.

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