ALD: adaptive layer distribution for scalable video

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dc.check.infoBy request of the publisher, access to this item is restricted until 25 September 2015en
dc.contributor.authorQuinlan, Jason J.
dc.contributor.authorZahran, Ahmed H.
dc.contributor.authorSreenan, Cormac J.
dc.contributor.funderScience Foundation Irelanden
dc.contributor.funderNational Telecommunication Regulatory Authority
dc.date.accessioned2015-09-22T16:30:46Z
dc.date.available2015-09-25T04:00:06Z
dc.date.issued2014-10
dc.description.abstractRecent years have witnessed a rapid growth in the demand for streaming video over the Internet and mobile networks, exposes challenges in coping with heterogeneous devices and varying network throughput. Adaptive schemes, such as scalable video coding, are an attractive solution but fare badly in the presence of packet losses. Techniques that use description-based streaming models, such as multiple description coding (MDC), are more suitable for lossy networks, and can mitigate the effects of packet loss by increasing the error resilience of the encoded stream, but with an increased transmission byte cost. In this paper, we present our adaptive scalable streaming technique adaptive layer distribution (ALD). ALD is a novel scalable media delivery technique that optimises the tradeoff between streaming bandwidth and error resiliency. ALD is based on the principle of layer distribution, in which the critical stream data are spread amongst all packets, thus lessening the impact on quality due to network losses. Additionally, ALD provides a parameterised mechanism for dynamic adaptation of the resiliency of the scalable video. The Subjective testing results illustrate that our techniques and models were able to provide levels of consistent high-quality viewing, with lower transmission cost, relative to MDC, irrespective of clip type. This highlights the benefits of selective packetisation in addition to intuitive encoding and transmission.en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationQUINLAN, J. J., ZAHRAN, A. H. & SREENAN, C. J. 2015. ALD: adaptive layer distribution for scalable video. Multimedia Systems, 21(5), 465-484. doi: http://dx.doi.org/10.1007/s00530-014-0421-xen
dc.identifier.doi10.1007/s00530-014-0421-x
dc.identifier.endpage484en
dc.identifier.issn0942-4962
dc.identifier.issn1432-1882
dc.identifier.issued5en
dc.identifier.journaltitleMultimedia Systemsen
dc.identifier.startpage465en
dc.identifier.urihttps://hdl.handle.net/10468/1985
dc.identifier.volume21en
dc.language.isoenen
dc.publisherSpringer Berlin Heidelbergen
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.rights© Springer-Verlag Berlin Heidelberg 2014. The final publication is available at Springer via http://dx.doi.org/10.1007/s00530-014-0421-xen
dc.subjectScalable videoen
dc.subjectLossy networksen
dc.subjectLayered codingen
dc.subjectError resilienceen
dc.subjectLayer distributionen
dc.titleALD: adaptive layer distribution for scalable videoen
dc.typeArticle (peer-reviewed)en
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