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Depth map concealment using interview warping vectors from geometric transforms

2013-09Comunicação 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.authorMarcelino, S.
dc.contributor.authorAssunção, P.
dc.contributor.authorFaria, S.M.M.
dc.contributor.authorSoares, S.
dc.date.accessioned2026-03-19T13:57:50Z
dc.date.available2026-03-19T13:57:50Z
dc.date.issued2013-09
dc.description.abstractThis paper deals with reconstruction of corrupted depth maps received by multivew video-plus-depth (MVD) decoders from error prone channels. An interview-based method is proposed using warping vectors obtained through a block matching approach with geometric transforms (BMGT) between two colour views. It is shown that BMGT is able to find efficient warping vectors for reconstruction of lost regions in the depth maps associated with the colour views. The proposed concealment method uses an additional contour reconstruction technique, applied to arbitrary shapes within the lost regions, which is used for weighted interpolation. In comparison to a reference method based on simple weighted interpolation, the proposed method is able to achieve PSNR gains in synthesised views up to 5.61dB, at data loss ratios up to 40%.eng
dc.description.sponsorshipThis work was supported by FCT: Grant SFRH/BD/64988/2009, Project PTDC/EEA-TEL 114487/2009 and IPLeiria/ESTG: Project TVMoRFi
dc.identifier.citationS. Marcelino, P. Assuncao, S. M. M. Faria and S. Soares, "Depth map concealment using interview warping vectors from geometric transforms," 2013 IEEE International Conference on Image Processing, Melbourne, VIC, Australia, 2013, pp. 1821-1825, doi: 10.1109/ICIP.2013.6738375.
dc.identifier.doi10.1109/icip.2013.6738375
dc.identifier.isbn978-147992341-0
dc.identifier.urihttp://hdl.handle.net/10400.8/15921
dc.language.isoeng
dc.peerreviewedyes
dc.publisherIEEE Canada
dc.relation.hasversionhttps://ieeexplore.ieee.org/document/6738375
dc.relation.ispartof2013 IEEE International Conference on Image Processing
dc.rights.uriN/A
dc.subjectError concealment
dc.subjectDepth map
dc.subjectGeometric transforms
dc.titleDepth map concealment using interview warping vectors from geometric transformseng
dc.typeconference paper
dspace.entity.typePublication
oaire.citation.conferenceDate2013
oaire.citation.conferencePlaceMelbourne, VIC, Australia
oaire.citation.endPage1825
oaire.citation.startPage1821
oaire.citation.title2013 IEEE International Conference on Image Processing, ICIP 2013 - Proceedings
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameAssunção
person.familyNameFaria
person.givenNamePedro
person.givenNameSergio
person.identifier.ciencia-id6811-3984-C17B
person.identifier.ciencia-id8815-4101-28DD
person.identifier.orcid0000-0001-9539-8311
person.identifier.orcid0000-0002-0993-9124
person.identifier.ridA-4827-2017
person.identifier.ridC-5245-2011
person.identifier.scopus-author-id6701838347
person.identifier.scopus-author-id14027853900
relation.isAuthorOfPublication25649bb9-f135-48e8-8d0f-3706b86701d3
relation.isAuthorOfPublicationf69bd4d6-a6ef-4d20-8148-575478909661
relation.isAuthorOfPublication.latestForDiscovery25649bb9-f135-48e8-8d0f-3706b86701d3

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