Um estudo sobre o osu do modelo de cor RGB no proceso de correspondência por correlação

dc.contributor.authorda Silva, Paulo Henrique Amorim [UNESP]
dc.contributor.authorTommaselli, Antonio Maria Garcia [UNESP]
dc.contributor.authorGalo, Mauricio [UNESP]
dc.contributor.authorCosta, Elaine Reis [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-27T11:22:23Z
dc.date.available2014-05-27T11:22:23Z
dc.date.issued2007-01-01
dc.description.abstractImage matching is one of the most important processes in Digital Photogrammetry, since it allows the automation of several stages of the photogrammetric pipeline. In most of the commercial software nowadays available, the algorithms of image correlation use the intensity information (gray levels), despising color information, that could be useful, if used in a suitable way, increasing the robustness of the current correspondence techniques in Digital Photogrammetry. The aim of this work is to present a technique that uses the RGB color model in the correlation process, in which a correlation matrix is generated for each color channel. The trace of the covariance matrix related to the translations of the reference window is used to predict which channel can better contribute to the result of the correlation and, with this, to properly weight the correlation coefficients. The weights to be applied to each one of the correlations matrixes are computed adaptively, considering the characteristics of each image. In order to assess this methodology, experiments with real color aerial images were accomplished and correct correlations were achieved with the proposed technique but failed with the current techniques using only grey level images. The results are presented and discussed, showing that the use of color information increases the robustness of the correlation process.en
dc.description.affiliationUNESP - Universidade Estadual Paulista Júlio de Mesquita Filho Bolsista de IC da Fapesp
dc.description.affiliationUNESP - Universidade Estadual Paulista Júlio de Mesquita Filho Faculdade de Ciências e Tecnologia
dc.description.affiliationUNESP - Universidade Estadual Paulista Júlio de Mesquita Filho Gisplan - Tecnologia da Geoinformação
dc.description.affiliationUnespUNESP - Universidade Estadual Paulista Júlio de Mesquita Filho Bolsista de IC da Fapesp
dc.description.affiliationUnespUNESP - Universidade Estadual Paulista Júlio de Mesquita Filho Faculdade de Ciências e Tecnologia
dc.description.affiliationUnespUNESP - Universidade Estadual Paulista Júlio de Mesquita Filho Gisplan - Tecnologia da Geoinformação
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.format.extent91-106
dc.identifierhttp://ojs.c3sl.ufpr.br/ojs/index.php/bcg/article/view/8247
dc.identifier.citationBoletim de Ciencias Geodesicas, v. 13, n. 1, p. 91-106, 2007.
dc.identifier.file2-s2.0-36549046170.pdf
dc.identifier.issn1413-4853
dc.identifier.lattes1647318644299561
dc.identifier.orcid0000-0002-0104-9960
dc.identifier.scopus2-s2.0-36549046170
dc.identifier.urihttp://hdl.handle.net/11449/69495
dc.language.isopor
dc.relation.ispartofBoletim de Ciências Geodésicas
dc.relation.ispartofsjr0,188
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectComputer vision
dc.subjectDigital photogrammetry
dc.subjectImage matching
dc.subjectalgorithm
dc.subjectcolor
dc.subjectcorrelation
dc.subjectcovariance analysis
dc.subjectdigital photogrammetry
dc.subjectimage processing
dc.subjectmatrix
dc.subjectvision
dc.titleUm estudo sobre o osu do modelo de cor RGB no proceso de correspondência por correlaçãopt
dc.title.alternativeAn investigation on the use of the RGB color model in the matching process by correlationen
dc.typeArtigo
dcterms.licensehttp://www.scielo.br/revistas/bcg/paboutj.htm
unesp.author.lattes1647318644299561
unesp.author.lattes5493428631948910[2]
unesp.author.orcid0000-0002-0104-9960[3]
unesp.author.orcid0000-0003-0483-1103[2]
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências e Tecnologia, Presidente Prudentept

Arquivos

Pacote Original
Agora exibindo 1 - 1 de 1
Carregando...
Imagem de Miniatura
Nome:
2-s2.0-36549046170.pdf
Tamanho:
967.35 KB
Formato:
Adobe Portable Document Format