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High-Order Structure Based Middle-Feature Learning for Visible-Infrared Person Re-Identification

Qiu, Liuxiang; Chen, Si; Yan, Yan; Xue, Jing-Hao; Wang, Da-Han; Zhu, Shunzhi; (2024) High-Order Structure Based Middle-Feature Learning for Visible-Infrared Person Re-Identification. In: Proceedings of the AAAI Conference on Artificial Intelligence. (pp. pp. 4596-4604). AAAI: Vancouver, Canada. Green open access

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Abstract

Visible-infrared person re-identification (VI-ReID) aims to retrieve images of the same persons captured by visible (VIS) and infrared (IR) cameras. Existing VI-ReID methods ignore high-order structure information of features while being relatively difficult to learn a reasonable common feature space due to the large modality discrepancy between VIS and IR images. To address the above problems, we propose a novel high-order structure based middle-feature learning network (HOS-Net) for effective VI-ReID. Specifically, we first leverage a short- and long-range feature extraction (SLE) module to effectively exploit both short-range and long-range features. Then, we propose a high-order structure learning (HSL) module to successfully model the high-order relationship across different local features of each person image based on a whitened hypergraph network. This greatly alleviates model collapse and enhances feature representations. Finally, we develop a common feature space learning (CFL) module to learn a discriminative and reasonable common feature space based on middle features generated by aligning features from different modalities and ranges. In particular, a modality-range identity-center contrastive (MRIC) loss is proposed to reduce the distances between the VIS, IR, and middle features, smoothing the training process. Extensive experiments on the SYSU-MM01, RegDB, and LLCM datasets show that our HOS-Net achieves superior state-ofthe-art performance. Our code is available at https://github. com/Jaulaucoeng/HOS-Net.

Type: Proceedings paper
Title: High-Order Structure Based Middle-Feature Learning for Visible-Infrared Person Re-Identification
Event: The 38th Annual AAAI Conference on Artificial Intelligence
Dates: 22 Feb 2024 - 25 Feb 2024
Open access status: An open access version is available from UCL Discovery
DOI: 10.1609/aaai.v38i5.28259
Publisher version: https://doi.org/10.1609/aaai.v38i5.28259
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Statistical Science
URI: https://discovery.ucl.ac.uk/id/eprint/10187927
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