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Smart city article details
| Title | Heterogeneous Feature-Aware Transformer-Cnn Coupling Network For Person Re-Identification |
|---|---|
| ID_Doc | 28943 |
| Authors | Li Y.; Lian G.; Zhang W.; Ma G.; Ren J.; Yang J. |
| Year | 2022 |
| Published | PeerJ Computer Science, 8 |
| DOI | http://dx.doi.org/10.7717/peerj-cs.1098 |
| Abstract | Person re-identification plays an important role in the construction of the smart city. A reliable person re-identification system relieves users from the inefficient work of identifying the specific individual from enormous numbers of photos or videos captured by different surveillance devices. The most existing methods either focus on local discriminative features without global contextual information or scatter global features while ignoring the local features, resulting in ineffective attention to irregular pedestrian zones. In this article, a novel Transformer-CNN Coupling Network (TCCNet) is proposed to capture the fluctuant body region features in a heterogeneous feature-aware manner. We employ two bridging modules, the Lowlevel Feature Coupling Module (LFCM) and the High-level Feature Coupling Module (HFCM), to improve the complementary characteristics of the hybrid network. It is significantly helpful to enhance the capacity to distinguish between foreground and background features, thereby reducing the unfavorable impact of cluttered backgrounds on person re-identification. Furthermore, the duplicate loss for the two branches is employed to incorporate semantic information from distant preferences of the two branches into the resulting person representation. The experiments on two large-scale person re-identification benchmarks demonstrate that the proposed TCCNet achieves competitive results compared with several state-of-the-art approaches. The mean Average Precision (mAP) and Rank-1 identification rate on the MSMT17 dataset achieve 66.9% and 84.5%, respectively. © Copyright 2022 Li et al. |
| Author Keywords | Context information; Convolutional neural networks; Heterogeneous feature fusion; Person re-identification; Vision transformer |
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