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Scalable Coding of 360-degree Video for Streaming Adaptation at 5G Network Edges

2020-10Conference paper Open access
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datacite.subject.fosCiências Naturais::Ciências da Computação e da Informação
datacite.subject.fosEngenharia e Tecnologia::Engenharia Eletrotécnica, Eletrónica e Informática
datacite.subject.sdg03:Saúde de Qualidade
datacite.subject.sdg10:Reduzir as Desigualdades
datacite.subject.sdg11:Cidades e Comunidades Sustentáveis
dc.contributor.authorCarreira, J.
dc.contributor.authorFaria, Sergio M. M. de
dc.contributor.authorTavora, Luis M. N.
dc.contributor.authorNavarro, Antonio
dc.contributor.authorAssuncao, Pedro A. A.
dc.date.accessioned2025-07-15T13:42:26Z
dc.date.available2025-07-15T13:42:26Z
dc.date.issued2020-10
dc.descriptionEISBN - 978-1-7281-5784-9
dc.descriptionArticle number - 9379498; Conference name - 15th IEEE International Symposium on Broadband Multimedia Systems and Broadcasting, BMSB 2020; Conference date - 27 October 2020 - 29 October 2020; Conference code - 168034
dc.description.abstractThe huge amount of data that is necessary to capture the full field-of-view (FoV) in omnidirectional video, i.e., 360°, imposes the use of highly efficient compressed formats as well as adaptive broadcast and streaming mechanisms, such as those foreseen for 5G networks. To cope with the demanding requirements of 360° video streaming over 5G networks, this work proposes a scalable 360° video coding architecture, by enabling adaptation through the Multi-Access Edge Computing (MEC) server in two different domains of the spherical visual content, namely spatial resolution and FoV. In the proposed architecture two-layers are encoded from the input 360° video content: (i) the base-layer (BL), encoding each 360° image as a whole, at a lower spatial resolution; (ii) the enhancement-layer (EL) encoding each spherical image as a set of multiple FoVs with higher spatial resolution. Such arrangement enables flexible stream adaptation for the smart decision algorithms to be implemented at the MEC server, enabling significant reduction of the overall bit rate through the radio interface. The simulation results show that the proposed scalable coding scheme allows a great deal of bit rate savings across the 5G network, achieving 36% of bit rate saving, on average, for a 90° FoV in comparison with conventional single-layer coding.eng
dc.description.sponsorshipThis work was supported by Programa Operacional Regional do Centro, project ARoundVision CENTRO-01-0145-FEDER-030652 and by FCT/MCTES through national funds and when applicable co-funded EU funds under the project UIDB/EEA/50008/2020, Portugal.
dc.identifier.citationJ. Carreira, S. M. M. de Faria, L. M. N. Tavora, A. Navarro and P. A. A. Assuncao, "Scalable Coding of 360-degree Video for Streaming Adaptation at 5G Network Edges," 2020 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB), Paris, France, 2020, pp. 1-5, doi: https://doi.org/10.1109/BMSB49480.2020.9379498.
dc.identifier.doi10.1109/bmsb49480.2020.9379498
dc.identifier.eissn2155-5052
dc.identifier.isbn978-1-7281-5784-9
dc.identifier.isbn978-1-7281-5785-6
dc.identifier.issn2155-5044
dc.identifier.urihttp://hdl.handle.net/10400.8/13650
dc.language.isoeng
dc.peerreviewedyes
dc.publisherIEEE Canada
dc.relation.hasversionhttps://ieeexplore.ieee.org/document/9379498
dc.relation.ispartof2020 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB)
dc.rights.uriN/A
dc.subjectScalable video coding
dc.subjectContent adaptation
dc.subjectFuture broadcasting services
dc.titleScalable Coding of 360-degree Video for Streaming Adaptation at 5G Network Edgeseng
dc.typeconference paper
dspace.entity.typePublication
oaire.citation.conferenceDate2020-10
oaire.citation.conferencePlaceParis, France
oaire.citation.titleIEEE International Symposium on Broadband Multimedia Systems and Broadcasting, BMSB
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameMonteiro Carreira
person.familyNameFaria
person.familyNamede Oliveira Pegado de Noronha E Távora
person.familyNameAssunção
person.givenNameJoão Filipe
person.givenNameSergio
person.givenNameLuís Miguel
person.givenNamePedro
person.identifier.ciencia-id911C-4634-594A
person.identifier.ciencia-id8815-4101-28DD
person.identifier.ciencia-id121C-FADA-D750
person.identifier.ciencia-id6811-3984-C17B
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person.identifier.orcid0000-0002-5711-5875
person.identifier.orcid0000-0002-0993-9124
person.identifier.orcid0000-0002-8580-1979
person.identifier.orcid0000-0001-9539-8311
person.identifier.ridC-5245-2011
person.identifier.ridA-4827-2017
person.identifier.scopus-author-id14027853900
person.identifier.scopus-author-id6701838347
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relation.isAuthorOfPublication.latestForDiscovery762f8087-0f43-4df3-bc4d-db13f8ddd8c2

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The huge amount of data that is necessary to capture the full field-of-view (FoV) in omnidirectional video, i.e., 360°, imposes the use of highly efficient compressed formats as well as adaptive broadcast and streaming mechanisms, such as those foreseen for 5G networks. To cope with the demanding requirements of 360° video streaming over 5G networks, this work proposes a scalable 360° video coding architecture, by enabling adaptation through the Multi-Access Edge Computing (MEC) server in two different domains of the spherical visual content, namely spatial resolution and FoV. In the proposed architecture two-layers are encoded from the input 360° video content: (i) the base-layer (BL), encoding each 360° image as a whole, at a lower spatial resolution; (ii) the enhancement-layer (EL) encoding each spherical image as a set of multiple FoVs with higher spatial resolution. Such arrangement enables flexible stream adaptation for the smart decision algorithms to be implemented at the MEC server, enabling significant reduction of the overall bit rate through the radio interface. The simulation results show that the proposed scalable coding scheme allows a great deal of bit rate savings across the 5G network, achieving 36% of bit rate saving, on average, for a 90° FoV in comparison with conventional single-layer coding.
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