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Animal Re-Identification Algorithm for Posture Diversity

Re-identification (Re-ID) technology is important for wildlife conservation and intelligent farm management. With the development of deep learning, the performance of animal ReID based on computer vision has been improved. However, variations in animal pose push a negative impact on recognition perf...

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Bibliographic Details
Main Authors: He, Zhimin, Qian, Jiangbo, Yan, Diqun, Wang, Chong, Xin, Yu
Format: Conference Proceeding
Language:English
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Summary:Re-identification (Re-ID) technology is important for wildlife conservation and intelligent farm management. With the development of deep learning, the performance of animal ReID based on computer vision has been improved. However, variations in animal pose push a negative impact on recognition performance. In this paper, a Multi-pose Feature Fusion Network (MPFNet) is proposed to improve the performance of the Re-ID. First, we construct three pose modules for the three postures, that is, standing, sitting, and lying, respectively. In each pose module, there are two parallel branches, one is a global branch for extracting global features, and the other is a local branch for extracting local features. In addition, to obtain more effective feature representations, we weighted fusion for the global branching of the three pose modules. We validate the efficiency of MPFNet on both the self-built MPDD dog dataset and the public ATRW Amur Tiger dataset. Experimental results show that MPFNet can obtain better recognition performance than other state-of-the-art Re-ID methods. The source of code will be public available at https://github.com/hezhimin7028/MPFNet.
ISSN:2379-190X
DOI:10.1109/ICASSP49357.2023.10094783