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dc.contributorUniversitat Ramon Llull. La Salle
dc.contributor.authorMelenchón Maldonado, Javier
dc.contributor.authorIriondo Sanz, Ignasi
dc.contributor.authorMeler Corretjé, Lourdes
dc.date.accessioned2020-11-19T13:12:04Z
dc.date.accessioned2023-10-02T06:27:53Z
dc.date.available2020-11-19T13:12:04Z
dc.date.available2023-10-02T06:27:53Z
dc.date.created2004
dc.date.issued2005-08
dc.identifier.urihttp://hdl.handle.net/20.500.14342/3190
dc.description.abstractA novel way to learn and track simultaneously the appearance of a previously non-seen face without intrusive techniques can be found in this article. The presented approach has a causal behaviour: no future frames are needed to process the current ones. The model used in the tracking process is refined with each input frame thanks to a new algorithm for the simultaneous and incremental computation of the singular value decomposition (SVD) and the mean of the data. Previously developed methods about iterative computation of SVD are taken into account and an original way to extract the mean information from the reduced SVD of a matrix is also considered. Furthermore, the results are produced with linear computational cost and sublinear memory requirements with respect to the size of the data. Finally, experimental results are included, showing the tracking performance and some comparisons between the batch and our incremental computation of the SVD with mean information.
dc.format.extent11 p.cat
dc.language.isoengcat
dc.publisherUniversitat Autònoma de Barcelonacat
dc.relation.ispartofElectronic letters on computer vision and image analysis, Vol. 5, No 3 (2005)cat
dc.rights© L'autor/a
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.sourceRECERCAT (Dipòsit de la Recerca de Catalunya)
dc.subject.otherImatges--Processamentcat
dc.subject.otherImatges--Processament--Tècniques digitalscat
dc.subject.otherReconeixement facial (Informàtica)cat
dc.subject.otherReconeixement òptic de formescat
dc.titleSimultaneous and causal appearance learning and trackingcat
dc.typeinfo:eu-repo/semantics/articlecat
dc.typeinfo:eu-repo/semantics/publishedVersioncat
dc.rights.accessLevelinfo:eu-repo/semantics/openAccess
dc.embargo.termscapcat
dc.subject.udc62


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