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The DOI matches its Crossref record; 44 of the 44 references it cites were found in a registry or an index.

Unsupervised Person Re-Identification via Multi-Label Classification

Wang, Dongkai, Zhang, Shiliang·2020·2020 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)

Abstract

The challenge of unsupervised person re-identification (ReID) lies in learning discriminative features without true labels. This paper formulates unsupervised person ReID as a multi-label classification task to progressively seek true labels. Our method starts by assigning each person image with a single-class label, then evolves to multi-label classification by leveraging the updated ReID model for label prediction. The label prediction comprises similarity computation and cycle consistency to ensure the quality of predicted labels. To boost the ReID model training efficiency in multi-label classification, we further propose the memory-based multi-label classification loss (MMCL). MMCL works with memory-based non-parametric classifier and integrates multi-label classification and single-label classification in an unified framework. Our label prediction and MMCL work iteratively and substantially boost the ReID performance. Experiments on several large-scale person ReID datasets demonstrate the superiority of our method in unsupervised person ReID. Our method also allows to use labeled person images in other domains. Under this transfer learning setting, our method also achieves state-of-the-art performance.

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Metadata

Authors
Wang, D., & Zhang, S.
Venue
2020 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)
Publisher
IEEE
Published
2020-06
Pages
10978-10987
ISSN
1063-6919 (ISSN-L)
OpenAlex
W3035402405
Cited by
373
References
44
FWCI
20.36
Type
conference paper
Language
en
Open access
closed

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CoChat. (2026). Citation check: Unsupervised Person Re-Identification via Multi-Label Classification. https://app.cochat.ai/papers/10.1109/cvpr42600.2020.01099
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Wang, D., & Zhang, S. (2020). Unsupervised Person Re-Identification via Multi-Label Classification. 2020 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR). https://doi.org/10.1109/cvpr42600.2020.01099

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