Journal
KNOWLEDGE-BASED SYSTEMS
Volume 258, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.knosys.2022.110019
Keywords
Person re-identification; Domain invariant feature; Domain specific feature; Attention calibration
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Funding
- Natural Science Foundation of Nanjing University of Posts and Telecommunications
- [NY221077]
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This paper proposes a new attention-calibration double-branch cross-domain pedestrian re-identification network, which achieves excellent performance in various environments by learning features from different domains and fusing them.
Existing cross-domain pedestrian re-identification methods tend to utilize domain adaptation or domain generalization strategies to eliminate the differences between domains, but these methods fail to fully characterize the characteristics of unknown domain samples, resulting in poor recognition performance in unknown domain. By learning specific features and invariant features of different domains, this paper proposes a new attention-calibration double-branch cross-domain pedestrian re -identification network (ACDBNet). Firstly, the attention calibration module is utilized to extract the channel information and spatial information of an image, and locate the distinguishable local features; then, the global branch and local branch are introduced to fully learn the domain specific feature and domain invariant feature respectively, and the features in these two branches are linearly weighted fused. Experimental results on a large number of public datasets demonstrate that the proposed method has excellent performance in various environments.(c) 2022 Elsevier B.V. All rights reserved.
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