ALD: adaptive layer distribution for scalable video

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dc.contributor.authorQuinlan, Jason J.
dc.contributor.authorZahran, Ahmed H.
dc.contributor.authorSreenan, Cormac J.
dc.contributor.funderScience Foundation Irelanden
dc.date.accessioned2015-09-23T10:46:05Z
dc.date.available2015-09-23T10:46:05Z
dc.date.issued2013
dc.description.abstractBandwidth constriction and datagram loss are prominent issues that affect the perceived quality of streaming video over lossy networks, such as wireless. The use of layered video coding seems attractive as a means to alleviate these issues, but its adoption has been held back in large part by the inherent priority assigned to the critical lower layers and the consequences for quality that result from their loss. The proposed use of forward error correction (FEC) as a solution only further burdens the bandwidth availability and can negate the perceived benefits of increased stream quality. In this paper, we propose Adaptive Layer Distribution (ALD) as a novel scalable media delivery technique that optimises the tradeoff between the streaming bandwidth and error resiliency. ALD is based on the principle of layer distribution, in which the critical stream data is spread amongst all datagrams thus lessening the impact on quality due to network losses. Additionally, ALD provides a parameterised mechanism for dynamic adaptation of the scalable video, while providing increased resilience to the highest quality layers. Our experimental results show that ALD improves the perceived quality and also reduces the bandwidth demand by up to 36% in comparison to the well-known Multiple Description Coding (MDC) technique.en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationQuinlan, J. J., Zahran, A. H. and Sreenan, C. J. 'ALD: adaptive layer distribution for scalable video', Proceedings of the 4th ACM Multimedia Systems Conference, Oslo, Norway. 2484003: ACM, pp. 202-213. doi: 10.1145/2483977.2484003en
dc.identifier.doi10.1145/2483977.2484003
dc.identifier.endpage213en
dc.identifier.isbn978-1-4503-1894-5
dc.identifier.startpage202en
dc.identifier.urihttps://hdl.handle.net/10468/1986
dc.language.isoenen
dc.publisherACMen
dc.relation.ispartofProceedings of the 4th ACM Multimedia Systems Conference (MMSys '13), Oslo, Norway, 27 Feb - 1 Mar, 2013.
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Research Frontiers Programme (RFP)/10/RFP/CMS2952/IE/Media Streaming Optimisation in Next-Generation Heterogeneous Wireless Systems/
dc.rightsACM New York, NY, USA © 2013.en
dc.subjectScalable videoen
dc.subjectAdaptive videoen
dc.subjectMedia streamingen
dc.subjectLossy networksen
dc.subjectLayered codingen
dc.subjectError resilienceen
dc.subjectLayer distributionen
dc.titleALD: adaptive layer distribution for scalable videoen
dc.typeConference itemen
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