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Authors: Lu Tian ; Ranran Huang and Yu Wang

Affiliation: Department of Electronic Engineering, Tsinghua University, Beijing, China

ISBN: 978-989-758-351-3

Keyword(s): Person Re-identification, Bag-of-Words, Metric Learning.

Abstract: Person re-identification is generally divided into two part: the first is how to represent a pedestrian by discriminative visual descriptors and the second is how to compare them by suitable distance metrics. Conventional methods isolate these into two parts, the first part usually unsupervised and the second part supervised. The Bag-of-Words (BoW) model is a widely used image representing descriptor in part one. Its codebook is simply generated by clustering visual features in Euclidean space, however, it is not optimal. In this paper, we propose to use a metric learning techniques of part two in the codebook generation phase of BoW. In particular, the proposed codebook is clustered under Mahalanobis distance which is learned supervised. Then local feature is compared with the codewords in the codebook by the trained Mahalanobis distance metric. Extensive experiments prove that our proposed method is effective. With several low level features extracted on superpixel and fused togethe r, our method outperforms state-of-the-art on person re-identification benchmarks including VIPeR, PRID 450S, and Market-1501. (More)

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Paper citation in several formats:
Tian, L.; Huang, R. and Wang, Y. (2019). Metric Learning in Codebook Generation of Bag-of-Words for Person Re-identification.In Proceedings of the 8th International Conference on Pattern Recognition Applications and Methods - Volume 1: ICPRAM, ISBN 978-989-758-351-3, pages 298-306. DOI: 10.5220/0007251102980306

@conference{icpram19,
author={Lu Tian. and Ranran Huang. and Yu Wang.},
title={Metric Learning in Codebook Generation of Bag-of-Words for Person Re-identification},
booktitle={Proceedings of the 8th International Conference on Pattern Recognition Applications and Methods - Volume 1: ICPRAM,},
year={2019},
pages={298-306},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0007251102980306},
isbn={978-989-758-351-3},
}

TY - CONF

JO - Proceedings of the 8th International Conference on Pattern Recognition Applications and Methods - Volume 1: ICPRAM,
TI - Metric Learning in Codebook Generation of Bag-of-Words for Person Re-identification
SN - 978-989-758-351-3
AU - Tian, L.
AU - Huang, R.
AU - Wang, Y.
PY - 2019
SP - 298
EP - 306
DO - 10.5220/0007251102980306

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