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Building Computationally Efficient and Well-Generalizing Person Re-Identification Models with Metric Learning

2020-03-17 10:24:58
Vladislav Sovrasov, Dmitry Sidnev
arXiv_CV
             
Abstract

This work considers the problem of domain shift in person re-identification.Being trained on one dataset, a re-identification model usually performs much worse on unseen data. Partially this gap is caused by the relatively small scale of person re-identification datasets (compared to face recognition ones, for instance), but it is also related to training objectives. We propose to use the metric learning objective, namely AM-Softmax loss, and some additional training practices to build well-generalizing, yet, computationally efficient models. We use recently proposed Omni-Scale Network (OSNet) architecture combined with several training tricks and architecture adjustments to obtain state-of-the art results in cross-domain generalization problem on a large-scale MSMT17 dataset in three setups: MSMT17-all->DukeMTMC, MSMT17-train->Market1501 and MSMT17-all->Market1501.

Abstract (translated)

URL

https://arxiv.org/abs/2003.07618

PDF

https://arxiv.org/pdf/2003.07618.pdf

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