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Streaming and User Behaviour in Omnidirectional Videos

Rossi, Silvia; Guedes, Alan; Toni, Laura; (2022) Streaming and User Behaviour in Omnidirectional Videos. In: Valenzise, Giuseppe and Alain, Martin and Zerman, Emin and Ozcinar, Cagri, (eds.) Immersive Video Technologies. Academic Press: Amsterdam, Netherlands. Green open access

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Omnidirectional videos (ODVs) have gone beyond the passive paradigm of traditional video, offering higher degrees of immersion and interaction. The revolutionary novelty of this technology is the possibility for users to interact with the surrounding environment, and to feel a sense of engagement and presence in a virtual space. Users are clearly the main driving force of immersive applications and consequentially the services need to be properly tailored to them. In this context, this chapter highlights the importance of the new role of users in ODV streaming applications, and thus the need for understanding their behaviour while navigating within ODVs. A comprehensive overview of the research efforts aimed at advancing ODV streaming systems is also presented. In particular, the state-of-the-art solutions under examination in this chapter are distinguished in terms of system-centric and user-centric streaming approaches: the former approach comes from a quite straightforward extension of well-established solutions for the 2D video pipeline while the latter one takes the benefit of understanding users’ behaviour and enable more personalised ODV streaming.

Type: Book chapter
Title: Streaming and User Behaviour in Omnidirectional Videos
ISBN-13: 9780323917551
Open access status: An open access version is available from UCL Discovery
Publisher version: https://www.elsevier.com/books/immersive-video-tec...
Language: English
Additional information: This version is the author submitted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: omnidirectional video, user behaviour, ODV streaming
UCL classification: 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
UCL > Provost and Vice Provost Offices > UCL BEAMS
URI: https://discovery.ucl.ac.uk/id/eprint/10158036
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