3D Gaussian descriptor for video-based person re-identification

Riachy, Chirine, Organisciak, Daniel, Almaadeed, Noor, Khelifi, Fouad and Bouridane, Ahmed (2019) 3D Gaussian descriptor for video-based person re-identification. In: Proceedings of the International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision WSCG 2019. Computer Science Research Notes . Vaclav Skala Union Agency, Czech Republic, p. 173. ISBN 9788086943374

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Official URL: https://doi.org/10.24132/CSRN.2019.2901.1.20


Despite being often considered less challenging than image-based person re-identification (re-id), video-based person re-id is still appealing as it mimics a more realistic scenario owing to the availability of pedestrian sequencesfrom surveillance cameras. In order to exploit the temporal information provided, a number of feature extraction methods have been proposed. Although the features could be equally learned at a significantly higher computational cost, the scarce nature of labelled re-id datasets encourages the development of robust hand-crafted feature representations as an efficient alternative, especially when novel distance metrics or multi-shot ranking algorithms are to be validated. This paper presents a novel hand-crafted feature representation for video-based person re-id based on a 3-dimensional hierarchical Gaussian descriptor. Compared to similar approaches, the proposed descriptor (i) does not require any walking cycle extraction, hence avoiding the complexity of this task, (ii) can be easily fed into off-shelf learned distance metrics, (iii) and consistently achieves superior performance regardless of thematching method adopted. The performance of the proposed method was validated on PRID2011 and iLIDS-VID datasets outperforming similar methods on both benchmarks.

Item Type: Book Section
Subjects: G400 Computer Science
Department: Faculties > Engineering and Environment > Computer and Information Sciences
Depositing User: Ay Okpokam
Date Deposited: 22 Nov 2019 13:00
Last Modified: 22 Nov 2019 13:26
URI: http://nrl.northumbria.ac.uk/id/eprint/41590

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