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A cortical framework for scene categorization

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dc.contributor.authorRodrigues, J. M. F.
dc.contributor.authordu Buf, J. M. H.
dc.date.accessioned2011-12-07T09:43:33Z
dc.date.available2011-12-07T09:43:33Z
dc.date.issued2011
dc.date.updated2011-12-05T17:14:59Z
dc.description.abstractHuman observers can very rapidly and accurately categorise scenes. This is context or gist vision. In this paper we present a biologically plausible scheme for gist vision which can be integrated into a complete cortical vision architecture. The model is strictly bottom-up, employing state-of-the-art models for feature extractions. It combines five cortical feature sets: multiscale lines and edges and their dominant orientations, the density of multiscale keypoints, the number of consistent multiscale regions, dominant colours in the double-opponent colour channels, and significant saliency in covert attention regions. These feature sets are processed in a hierarchical set of layers with grouping cells, which serve to characterise five image regions: left, right, top, bottom and centre. Final scene classification is obtained by a trained decision tree.por
dc.identifier.citationRodrigues, J.M.F.; du Buf, J.M.H. A cortical framework for scene categorization, Trabalho apresentado em VISAPP 2011, In Proc. Int. Conf. on Computer Vision Theory and Applications (VISAPP 2011), Vilamoura, Portugal, 2011.por
dc.identifier.otherAUT: JRO00913; DUB00865;
dc.identifier.urihttp://hdl.handle.net/10400.1/889
dc.language.isoengpor
dc.peerreviewednopor
dc.subjectVisão humanapor
dc.titleA cortical framework for scene categorizationpor
dc.typeconference object
dspace.entity.typePublication
oaire.awardNumberPTDC/EIA/73633/2006
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FEIA%2F73633%2F2006/PT
oaire.fundingStream3599-PPCDT
person.familyNameRodrigues
person.familyNamedu Buf
person.givenNameJoao
person.givenNameHans
person.identifier.ciencia-id8A19-98F7-9914
person.identifier.orcid0000-0002-3562-6025
person.identifier.orcid0000-0002-4345-1237
person.identifier.ridM-5125-2013
person.identifier.scopus-author-id55807461600
person.identifier.scopus-author-id6604075916
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspor
rcaap.typeconferenceObjectpor
relation.isAuthorOfPublication683ba85b-459c-4789-a4ff-a4e2a904b295
relation.isAuthorOfPublicationcfad5636-2c77-4db0-a3a0-d7eb97ce6bee
relation.isAuthorOfPublication.latestForDiscovery683ba85b-459c-4789-a4ff-a4e2a904b295
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relation.isProjectOfPublication.latestForDiscovery5080fe84-357b-4375-8a68-d4ad7d655b6c

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