Unsupervised Disentanglement GAN for Domain Adaptive Person Re-Identification

• URL: http://arxiv.org/abs/2007.15560v1
• Date: Thu, 30 Jul 2020 16:07:05 GMT
• Title: Unsupervised Disentanglement GAN for Domain Adaptive Person Re-Identification
• Authors: Yacine Khraimeche, Guillaume-Alexandre Bilodeau, David Steele, and Harshad Mahadik
• Abstract summary: We introduce a novel unsupervised disentanglement generative adversarial network (UD-GAN) to address the domain adaptation issue of supervised person ReID. Our framework jointly trains a ReID network for discriminative features extraction in a source labelled domain using identity annotation. As a result, the ReID features better encompass the identity of a person in the unsupervised domain.
• Score: 10.667492516216887
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: While recent person re-identification (ReID) methods achieve high accuracy in a supervised setting, their generalization to an unlabelled domain is still an open problem. In this paper, we introduce a novel unsupervised disentanglement generative adversarial network (UD-GAN) to address the domain adaptation issue of supervised person ReID. Our framework jointly trains a ReID network for discriminative features extraction in a source labelled domain using identity annotation, and adapts the ReID model to an unlabelled target domain by learning disentangled latent representations on the domain. Identity-unrelated features in the target domain are distilled from the latent features. As a result, the ReID features better encompass the identity of a person in the unsupervised domain. We conducted experiments on the Market1501, DukeMTMC and MSMT17 datasets. Results show that the unsupervised domain adaptation problem in ReID is very challenging. Nevertheless, our method shows improvement in half of the domain transfers and achieve state-of-the-art performance for one of them.

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