Dual-Space Video Person Re-identification

IF 11.6 2区 计算机科学 Q1 COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE International Journal of Computer Vision Pub Date : 2025-01-27 DOI:10.1007/s11263-025-02350-5
Jiaxu Leng, Changjiang Kuang, Shuang Li, Ji Gan, Haosheng Chen, Xinbo Gao
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Abstract

Video person re-identification (VReID) aims to recognize individuals across video sequences. Existing methods primarily use Euclidean space for representation learning but struggle to capture complex hierarchical structures, especially in scenarios with occlusions and background clutter. In contrast, hyperbolic space, with its negatively curved geometry, excels at preserving hierarchical relationships and enhancing discrimination between similar appearances. Inspired by these, we propose Dual-Space Video Person Re-Identification (DS-VReID) to utilize the strength of both Euclidean and hyperbolic geometries, capturing the visual features while also exploring the intrinsic hierarchical relations, thereby enhancing the discriminative capacity of the features. Specifically, we design the Dynamic Prompt Graph Construction (DPGC) module, which uses a pre-trained CLIP model with learnable dynamic prompts to construct 3D graphs that capture subtle changes and dynamic information in video sequences. Building upon this, we introduce the Hyperbolic Disentangled Aggregation (HDA) module, which addresses long-range dependency modeling by decoupling node distances and integrating adjacency matrices, capturing detailed spatial-temporal hierarchical relationships. Extensive experiments on benchmark datasets demonstrate the superiority of DS-VReID over state-of-the-art methods, showcasing its potential in complex VReID scenarios.

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来源期刊
International Journal of Computer Vision
International Journal of Computer Vision 工程技术-计算机:人工智能
CiteScore
29.80
自引率
2.10%
发文量
163
审稿时长
6 months
期刊介绍: The International Journal of Computer Vision (IJCV) serves as a platform for sharing new research findings in the rapidly growing field of computer vision. It publishes 12 issues annually and presents high-quality, original contributions to the science and engineering of computer vision. The journal encompasses various types of articles to cater to different research outputs. Regular articles, which span up to 25 journal pages, focus on significant technical advancements that are of broad interest to the field. These articles showcase substantial progress in computer vision. Short articles, limited to 10 pages, offer a swift publication path for novel research outcomes. They provide a quicker means for sharing new findings with the computer vision community. Survey articles, comprising up to 30 pages, offer critical evaluations of the current state of the art in computer vision or offer tutorial presentations of relevant topics. These articles provide comprehensive and insightful overviews of specific subject areas. In addition to technical articles, the journal also includes book reviews, position papers, and editorials by prominent scientific figures. These contributions serve to complement the technical content and provide valuable perspectives. The journal encourages authors to include supplementary material online, such as images, video sequences, data sets, and software. This additional material enhances the understanding and reproducibility of the published research. Overall, the International Journal of Computer Vision is a comprehensive publication that caters to researchers in this rapidly growing field. It covers a range of article types, offers additional online resources, and facilitates the dissemination of impactful research.
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