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Layer-Aware Forward Error Correction for Mobile Broadcast of Layered Media

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Layer-Aware Forward Error Correction for Mobile Broadcast of Layered Media

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dc.contributor.author Hellge, Cornelius es_ES
dc.contributor.author Gómez Barquero, David es_ES
dc.contributor.author Schierl, Thomas es_ES
dc.contributor.author Wiegand, Thomas es_ES
dc.date.accessioned 2015-10-21T11:47:40Z
dc.date.available 2015-10-21T11:47:40Z
dc.date.issued 2011-06
dc.identifier.issn 1520-9210
dc.identifier.uri http://hdl.handle.net/10251/56298
dc.description.abstract The bitstream structure of layered media formats such as scalable video coding (SVC) or multiview video coding (MVC) opens up new opportunities for their distribution in Mobile TV services. Features like graceful degradation or the support of the 3-D experience in a backwards-compatible way are enabled. The reason is that parts of the media stream are more important than others with each part itself providing a useful media representation. Typically, the decoding of some parts of the bitstream is only possible, if the corresponding more important parts are correctly received. Hence, unequal error protection (UEP) can be applied protecting important parts of the bitstream more strongly than others. Mobile broadcast systems typically apply forward error correction (FEC) on upper layers to cope with transmission errors, which the physical layer FEC cannot correct. Today's FEC solutions are optimized to transmit single layer video. The exploitation of the dependencies in layered media codecs for UEP using FEC is the subject of this paper. The presented scheme, which is called layer-aware FEC (LA-FEC), incorporates the dependencies of the layered video codec into the FEC code construction. A combinatorial analysis is derived to show the potential theoretical gain in terms of FEC decoding probability and video quality. Furthermore, the implementation of LA-FEC as an extension of the Raptor FEC and the related signaling are described. The performance of layer-aware Raptor code with SVC is shown by experimental results in a DVB-H environment showing significant improvements achieved by LA-FEC. © 2011 IEEE. es_ES
dc.language Inglés es_ES
dc.publisher Institute of Electrical and Electronics Engineers (IEEE) es_ES
dc.relation.ispartof IEEE Transactions on Multimedia es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject LA-FEC es_ES
dc.subject Layered media es_ES
dc.subject Mobile TV es_ES
dc.subject MVC es_ES
dc.subject SVC es_ES
dc.subject UEP es_ES
dc.subject Decoding es_ES
dc.subject Digital television es_ES
dc.subject Error correction es_ES
dc.subject Error detection es_ES
dc.subject Image coding es_ES
dc.subject Multimedia services es_ES
dc.subject Forward error correction es_ES
dc.subject.classification TEORIA DE LA SEÑAL Y COMUNICACIONES es_ES
dc.title Layer-Aware Forward Error Correction for Mobile Broadcast of Layered Media es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1109/TMM.2011.2129499
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto Universitario de Telecomunicación y Aplicaciones Multimedia - Institut Universitari de Telecomunicacions i Aplicacions Multimèdia es_ES
dc.description.bibliographicCitation Hellge, C.; Gómez Barquero, D.; Schierl, T.; Wiegand, T. (2011). Layer-Aware Forward Error Correction for Mobile Broadcast of Layered Media. IEEE Transactions on Multimedia. 13(3):551-562. doi:10.1109/TMM.2011.2129499 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1109/TMM.2011.2129499 es_ES
dc.description.upvformatpinicio 551 es_ES
dc.description.upvformatpfin 562 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 13 es_ES
dc.description.issue 3 es_ES
dc.relation.senia 208497 es_ES


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