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Constrained encoding structures for computational complexity scalability in HEVC

2013-12Comunicação em conferência Acesso restrito
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datacite.subject.fosEngenharia e Tecnologia::Engenharia Eletrotécnica, Eletrónica e Informática
datacite.subject.sdg03:Saúde de Qualidade
datacite.subject.sdg07:Energias Renováveis e Acessíveis
datacite.subject.sdg11:Cidades e Comunidades Sustentáveis
dc.contributor.authorCorrea, Guilherme
dc.contributor.authorAssunção, Pedro
dc.contributor.authorCruz, Luis A. da Silva
dc.contributor.authorAgostini, Luciano
dc.date.accessioned2026-03-19T14:14:33Z
dc.date.available2026-03-19T14:14:33Z
dc.date.issued2013-12
dc.description.abstractThe High Efficiency Video Coding standard shows improved compression efficiency in comparison to previous standards at the cost of higher computational complexity. In this paper, a complexity scalability method for HEVC encoders based on the dynamic adjustment of the number of constrained coding treeblocks is proposed. The method limits the Prediction Unit shapes and the maximum tree depth used in each Coding Treeblock in order to decrease the number of evaluations performed in the Rate-Distortion Optimization process. The encoder is capable of trading off computational complexity and compression efficiency while still maintaining the encoding time per Group of Pictures (GOP) under a pre-defined target. The encoding complexity can be decreased in up to 60% when compared to the original encoder at the cost of small Bjontegaard Delta (BD)-rate increases.eng
dc.description.sponsorshipThis work was partially financed by the Portuguese Govt. program Pest-OE/EEI/LA0008/2013. The authors acknowledge financial support from the Instituto de Telecomunicações (Portugal) and the National Council for Scientific and Technological Development (Brazil).
dc.identifier.citationG. Correa, P. Assuncao, L. A. da Silva Cruz and L. Agostini, "Constrained encoding structures for computational complexity scalability in HEVC," 2013 Picture Coding Symposium (PCS), San Jose, CA, USA, 2013, pp. 297-300, doi: 10.1109/PCS.2013.6737742.
dc.identifier.doi10.1109/pcs.2013.6737742
dc.identifier.isbn978-147990294-1
dc.identifier.urihttp://hdl.handle.net/10400.8/15922
dc.language.isoeng
dc.peerreviewedyes
dc.publisherIEEE Canada
dc.relationStrategic Project - LA 8 - 2013-2014
dc.relation.hasversionhttps://ieeexplore.ieee.org/document/6737742
dc.relation.ispartof2013 Picture Coding Symposium (PCS)
dc.rights.uriN/A
dc.titleConstrained encoding structures for computational complexity scalability in HEVCeng
dc.typeconference paper
dspace.entity.typePublication
oaire.awardNumberPEst-OE/EEI/LA0008/2013
oaire.awardTitleStrategic Project - LA 8 - 2013-2014
oaire.awardURIhttp://hdl.handle.net/10400.8/12984
oaire.citation.conferenceDate2013
oaire.citation.conferencePlaceSan Jose, CA, USA
oaire.citation.endPage300
oaire.citation.startPage297
oaire.citation.title2013 Picture Coding Symposium, PCS 2013 - Proceedings
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameAssunção
person.givenNamePedro
person.identifier.ciencia-id6811-3984-C17B
person.identifier.orcid0000-0001-9539-8311
person.identifier.ridA-4827-2017
person.identifier.scopus-author-id6701838347
relation.isAuthorOfPublication25649bb9-f135-48e8-8d0f-3706b86701d3
relation.isAuthorOfPublication.latestForDiscovery25649bb9-f135-48e8-8d0f-3706b86701d3
relation.isProjectOfPublication5ff93f54-75ba-48da-8a10-c54ab3a373f5
relation.isProjectOfPublication.latestForDiscovery5ff93f54-75ba-48da-8a10-c54ab3a373f5

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