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Viewport-Driven Rate-Distortion Optimized 360° Video Streaming

Jacob Chakareski 1 Ridvan Aksu 1 Xavier Corbillon 2, 3 Gwendal Simon 3 Vishy Swaminathan 4
1 UA - University of Alabama [Tuscaloosa]
2 ADOPNET - Advanced technologies for operated networks
UR1 - Université de Rennes 1, IMT Atlantique - IMT Atlantique Bretagne-Pays de la Loire, IRISA-D2 - RÉSEAUX, TÉLÉCOMMUNICATION ET SERVICES
3 IMT Atlantique - SRCD - Département Systèmes Réseaux, Cybersécurité et Droit du numérique
4 Adobe Advanced Technology Labs - Adobe Systems Inc.
Abstract : The growing popularity of virtual and augmented reality communications and 360 • video streaming is moving video communication systems into much more dynamic and resource-limited operating settings. The enormous data volume of 360 • videos requires efficient use of network bandwidth to maintain the desired quality of experience for the end user. To this end, we propose a framework for viewport-driven rate optimized 360 • video streaming that integrates the user view navigation pattern and the spatiotemporal rate-distortion characteristics of the 360 • video content to maximize the delivered user quality of experience for the given network/system resources. The framework comprises a methodology for constructing dynamic heat maps that capture the user likelihood of navigating different spatial segments of a 360 • video over time, analysis and characterization of its spatiotemporal rate-distortion characteristics that leverages preprocessed spatial tilling of the 360 • view sphere, and optimization problem formulation that characterizes the delivered user quality of experience given the user navigation patterns, 360 • video encoding decisions, and the available system/network resources. Our experimental results demonstrate the advantages of our framework over the conventional approach of streaming a monolithic uniformly-encoded 360 • video and a state-of-the-art reference method. Considerable video quality of gains of 4-5 dB are demonstrated in the case of two popular 4K 360 • videos.
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https://hal-imt-atlantique.archives-ouvertes.fr/hal-01896281
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Submitted on : Wednesday, December 19, 2018 - 7:49:10 PM
Last modification on : Thursday, July 22, 2021 - 3:51:46 AM

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IMT-ATLANTIQUE | CNRS | INSTITUT-TELECOM | UNIV-RENNES1 | CENTRALESUPELEC | IRISA | INRIA | UNIV-RENNES | UR1-UFR-ISTIC | INSA-RENNES

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Jacob Chakareski, Ridvan Aksu, Xavier Corbillon, Gwendal Simon, Vishy Swaminathan. Viewport-Driven Rate-Distortion Optimized 360° Video Streaming. ICC 2018 : IEEE International Conference on Communications, IEEE, May 2018, Kansas City, United States. ⟨10.1109/ICC.2018.8422859⟩. ⟨hal-01896281⟩

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