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Light field HEVC-based image coding using locally linear embedding and self-similarity compensated prediction

2016-07Conference paper Restricted access
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dc.contributor.authorMonteiro, Ricardo
dc.contributor.authorLucas, Luis
dc.contributor.authorConti, Caroline
dc.contributor.authorNunes, Paulo
dc.contributor.authorM. M. Rodrigues, Nuno
dc.contributor.authorFaria, Sergio
dc.contributor.authorPagliari, Carla
dc.contributor.authorSilva, Eduardo da
dc.contributor.authorSoares, Luis
dc.date.accessioned2025-05-22T15:32:49Z
dc.date.available2025-05-22T15:32:49Z
dc.date.issued2016-07
dc.description.abstractLight field imaging is a promising new technology that allows the user not only to change the focus and perspective after taking a picture, as well as to generate 3D content, among other applications. However, light field images are characterized by large amounts of data and there is a lack of coding tools to efficiently encode this type of content. Therefore, this paper proposes the addition of two new prediction tools to the HEVC framework, to improve its coding efficiency. The first tool is based on the local linear embedding-based prediction and the second one is based on the self-similarity compensated prediction. Experimental results show improvements over JPEG and HEVC in terms of average bitrate savings of 71.44% and 31.87%, and average PSNR gains of 4.73dB and 0.89dB, respectively.eng
dc.description.sponsorshipThe authors acknowledge the support of Fundação para a Ciência e Tecnologia, under the project UID/EEA/50008/2013, and the A/BIM/Nº37/2015 grant and Medicomp project.
dc.identifier.citationR. Monteiro et al., "Light field HEVC-based image coding using locally linear embedding and self-similarity compensated prediction," 2016 IEEE International Conference on Multimedia & Expo Workshops (ICMEW), Seattle, WA, USA, 2016, pp. 1-4, doi: 10.1109/ICMEW.2016.7574670.
dc.identifier.doi10.1109/icmew.2016.7574670
dc.identifier.urihttp://hdl.handle.net/10400.8/12963
dc.language.isoeng
dc.peerreviewedn/a
dc.publisherIEEE Canada
dc.relationUID/EEA/50008/2013
dc.relation.hasversionhttps://ieeexplore.ieee.org/document/7574670
dc.relation.ispartof2016 IEEE International Conference on Multimedia & Expo Workshops (ICMEW)
dc.rights.uriN/A
dc.subjectLight field image coding
dc.subjectSelf-similarity
dc.subjectImage prediction
dc.subjectLocally linear embedding
dc.subjectHEVC
dc.titleLight field HEVC-based image coding using locally linear embedding and self-similarity compensated predictioneng
dc.typeconference paper
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FEEA%2F50008%2F2013/PT
oaire.citation.conferenceDate2016
oaire.citation.conferencePlaceSeattle, WA, USA
oaire.citation.title2016 IEEE International Conference on Multimedia & Expo Workshops (ICMEW)
oaire.fundingStream5876
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameM. M. Rodrigues
person.familyNameFaria
person.givenNameNuno
person.givenNameSergio
person.identifier.ciencia-id8815-4101-28DD
person.identifier.orcid0000-0001-9536-1017
person.identifier.orcid0000-0002-0993-9124
person.identifier.ridC-5245-2011
person.identifier.scopus-author-id7006052345
person.identifier.scopus-author-id14027853900
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
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relation.isAuthorOfPublicationf69bd4d6-a6ef-4d20-8148-575478909661
relation.isAuthorOfPublication.latestForDiscoveryf69bd4d6-a6ef-4d20-8148-575478909661
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