CUPR: Contrastive Unsupervised Learning for Person Re-identification

Khadija Khaldi, Shishir K. Shah

2021

Abstract

Most of the current person re-identification (Re-ID) algorithms require a large labeled training dataset to obtain better results. For example, domain adaptation-based approaches rely heavily on limited real-world data to alleviate the problem of domain shift. However, such assumptions are impractical and rarely hold, since the data is not freely accessible and require expensive annotation. To address this problem, we propose a novel pure unsupervised learning approach using contrastive learning (CUPR). Our framework is a simple iterative approach that learns strong high-level features from raw pixels using contrastive learning and then performs clustering to generate pseudo-labels. We demonstrate that CUPR outperforms the unsupervised and semi-supervised state-of-the-art methods on Market-1501 and DukeMTMC-reID datasets.

Paper Citation

in Harvard Style

Khaldi K. and Shah S. (2021). CUPR: Contrastive Unsupervised Learning for Person Re-identification. In Proceedings of the 16th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2021) - Volume 5: VISAPP; ISBN 978-989-758-488-6, SciTePress, pages 92-100. DOI: 10.5220/0010239900920100

in Bibtex Style

@conference{visapp21,
author={Khadija Khaldi and Shishir K. Shah},
title={CUPR: Contrastive Unsupervised Learning for Person Re-identification},
booktitle={Proceedings of the 16th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2021) - Volume 5: VISAPP},
year={2021},
pages={92-100},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0010239900920100},
isbn={978-989-758-488-6},
}

in EndNote Style

TY - CONF

JO - Proceedings of the 16th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2021) - Volume 5: VISAPP
TI - CUPR: Contrastive Unsupervised Learning for Person Re-identification
SN - 978-989-758-488-6
AU - Khaldi K.
AU - Shah S.
PY - 2021
SP - 92
EP - 100
DO - 10.5220/0010239900920100
PB - SciTePress