PSF-C-Net: A Counterfactual Deep Learning Model for Person Re-Identification Based on Random Cropping Patch and Shuffling Filling

Ruiwang Sun, Qing Chen, Heng Dong, Haifeng Zhang and Meng Wang ()
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Ruiwang Sun: College of Information Science and Engineering, Northeastern University, Shenyang 110819, China
Qing Chen: College of Information Science and Engineering, Northeastern University, Shenyang 110819, China
Heng Dong: College of Information Science and Engineering, Northeastern University, Shenyang 110819, China
Haifeng Zhang: College of Information Science and Engineering, Northeastern University, Shenyang 110819, China
Meng Wang: School of Opto-Electronic Engineering, Zaozhuang University, Zaozhuang 277160, China

Mathematics, 2024, vol. 12, issue 13, 1-16

Abstract: In the task of person re-identification (re-ID), capturing the long-range dependency of instances is crucial for accurate identification. The existing methods excel at extracting local features but often overlook the global information of instance images. To address this limitation, we propose a convolution-based counterfactual learning framework, called PSF-C-Net, to focus on global information rather than local detailed features. PSF-C-Net adopts a parameter-sharing dual-path structure to perform counterfactual operations in the prediction space. It takes both the actual instance image and a counterfactual instance image that disrupts the contextual relationship as the input. The counterfactual framework enables the interpretable modeling of global features without introducing additional parameters. Additionally, we propose a novel method for generating counterfactual instance images, which effectively constructs an explicit counterfactual space, to reliably implement counterfactual strategies. We have conducted extensive experiments to evaluate the performance of PSF-C-Net on the Market-1501 and Duke-MTMC-reID datasets. The results demonstrate that PSF-C-Net achieves state-of-the-art performance.

Keywords: person re-identification; counterfactual strategy; dual-path; random cropping patch; shuffling filling (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2024
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