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Correlation-aware packet scheduling for multi-camera streaming

Toni, L; Maugey, T; Frossard, P; (2012) Correlation-aware packet scheduling for multi-camera streaming. In: Proceedings of the Packet Video Workshop (PV), 2012 19th International. (pp. pp. 77-82). IEEE Green open access

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Abstract

In multi-view applications, multiple cameras acquire the same scene from different perspectives, which results in correlated video streams. It becomes important to exploit this correlation at the acquisition side (i.e., in the source coding) or at the receiver side (i.e., during error-concealment). In this work, we propose a correlation-aware scheduling algorithm for multi-camera sets, in which information from all views need to be sent over a bottleneck channel to clients that decode the 3D scene captured by the cameras. Based on a novel rate-distortion model, that takes into account the correlation between sources, we propose a solution that minimizes the distortion in the scene reconstruction and adapts to temporal variations in the scene content. Simulation results show the gain of the scheduling algorithm when the correlation model is known in the optimization, compared to scheduling policies with no information about the correlation or with a priori camera selection algorithms.

Type: Proceedings paper
Title: Correlation-aware packet scheduling for multi-camera streaming
Event: Packet Video Workshop (PV), 2012 19th International
Location: Munich, Germany
Dates: 10 May 2012 - 11 May 2012
ISBN-13: 9781467303019
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/PV.2012.6229746
Publisher version: http://dx.doi.org/10.1109/PV.2012.6229746
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/1533094
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