Smart City Gnosys
Smart city article details
| Title | Approaches To Improve The Quality Of Person Re-Identification For Practical Use |
|---|---|
| ID_Doc | 10212 |
| Authors | Mamedov T.; Kuplyakov D.; Konushin A. |
| Year | 2023 |
| Published | Sensors, 23, 17 |
| DOI | http://dx.doi.org/10.3390/s23177382 |
| Abstract | The idea of the person re-identification (Re-ID) task is to find the person depicted in the query image among other images obtained from different cameras. Algorithms solving this task have important practical applications, such as illegal action prevention and searching for missing persons through a smart city’s video surveillance. In most of the papers devoted to the problem under consideration, the authors propose complex algorithms to achieve a better quality of person Re-ID. Some of these methods cannot be used in practice due to technical limitations. In this paper, we propose several approaches that can be used in almost all popular modern re-identification algorithms to improve the quality of the problem being solved and do not practically increase the computational complexity of algorithms. In real-world data, bad images can be fed into the input of the Re-ID algorithm; therefore, the new Filter Module is proposed in this paper, designed to pre-filter input data before feeding the data to the main re-identification algorithm. The Filter Module improves the quality of the baseline by (Formula presented.) according to the (Formula presented.) metric and (Formula presented.) according to the (Formula presented.) metric on the Market-1501 dataset. Furthermore, in this paper, a fully automated data collection strategy from surveillance cameras for self-supervised pre-training is proposed in order to increase the generality of neural networks on real-world data. The use of self-supervised pre-training on the data collected using the proposed strategy improves the quality of cross-domain upper-body Re-ID on the DukeMTMC-reID dataset by (Formula presented.) according to the (Formula presented.) and (Formula presented.) metrics. © 2023 by the authors. |
| Author Keywords | computer vision; metric learning; person re-identification; self-supervised pre-training |
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