A Comparative analysis of Green’s functions of 1D matching equations for motion synthesis

Detalhes bibliográficos
Autor(a) principal: Ferreira Júnior, Perfilino Eugênio
Data de Publicação: 2009
Outros Autores: Torreão, José R. A., Carvalho, Paulo Cezar Pinto
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFBA
Texto Completo: http://www.repositorio.ufba.br/ri/handle/ri/6219
Resumo: Trabalho completo: acesso restrito, p.1321–1334
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spelling Ferreira Júnior, Perfilino EugênioTorreão, José R. A.Carvalho, Paulo Cezar PintoFerreira Júnior, Perfilino EugênioTorreão, José R. A.Carvalho, Paulo Cezar Pinto2012-06-25T19:42:25Z2009-10-150167-8655http://www.repositorio.ufba.br/ri/handle/ri/6219v. 30, n.14Trabalho completo: acesso restrito, p.1321–1334When filtering an input image, the Green’s functions of matching equations are capable of inducing a broad class of motions, a property that has led to their use in several computer graphics and computer vision applications. In all such applications, the Green’s functions of second-order differential equations have been considered, even though no justification has been given for their preference over simpler, first-order equations. Here we present a study of first-order one-dimensional matching equations, both in the uniform and in the affine motion models. Comparing their Green’s functions with those of the corresponding second-order cases, we find evidence for the latter’s superiority in motion synthesis. We also propose and discuss a general discretization scheme for Green’s functions of one-dimensional matching equations, showing that the affine motion model is particularly sensitive to the sampling frequency. In this case, we advocate the use of area sampling, for allowing realistic motion simulations.Submitted by Bruna Lessa (lessbruna@gmail.com) on 2012-06-25T19:42:25Z No. of bitstreams: 1 (87)1-s2.0-S0167865509001421-main.pdf: 3303483 bytes, checksum: d5776e18d38e5c509722f3fe6576a9af (MD5)Made available in DSpace on 2012-06-25T19:42:25Z (GMT). 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dc.title.pt_BR.fl_str_mv A Comparative analysis of Green’s functions of 1D matching equations for motion synthesis
dc.title.alternative.pt_BR.fl_str_mv Pattern Recognition Letters
title A Comparative analysis of Green’s functions of 1D matching equations for motion synthesis
spellingShingle A Comparative analysis of Green’s functions of 1D matching equations for motion synthesis
Ferreira Júnior, Perfilino Eugênio
Green’s functions
1D matching equations
Motion synthesis
title_short A Comparative analysis of Green’s functions of 1D matching equations for motion synthesis
title_full A Comparative analysis of Green’s functions of 1D matching equations for motion synthesis
title_fullStr A Comparative analysis of Green’s functions of 1D matching equations for motion synthesis
title_full_unstemmed A Comparative analysis of Green’s functions of 1D matching equations for motion synthesis
title_sort A Comparative analysis of Green’s functions of 1D matching equations for motion synthesis
author Ferreira Júnior, Perfilino Eugênio
author_facet Ferreira Júnior, Perfilino Eugênio
Torreão, José R. A.
Carvalho, Paulo Cezar Pinto
author_role author
author2 Torreão, José R. A.
Carvalho, Paulo Cezar Pinto
author2_role author
author
dc.contributor.author.fl_str_mv Ferreira Júnior, Perfilino Eugênio
Torreão, José R. A.
Carvalho, Paulo Cezar Pinto
Ferreira Júnior, Perfilino Eugênio
Torreão, José R. A.
Carvalho, Paulo Cezar Pinto
dc.subject.por.fl_str_mv Green’s functions
1D matching equations
Motion synthesis
topic Green’s functions
1D matching equations
Motion synthesis
description Trabalho completo: acesso restrito, p.1321–1334
publishDate 2009
dc.date.issued.fl_str_mv 2009-10-15
dc.date.accessioned.fl_str_mv 2012-06-25T19:42:25Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://www.repositorio.ufba.br/ri/handle/ri/6219
dc.identifier.issn.none.fl_str_mv 0167-8655
dc.identifier.number.pt_BR.fl_str_mv v. 30, n.14
identifier_str_mv 0167-8655
v. 30, n.14
url http://www.repositorio.ufba.br/ri/handle/ri/6219
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.pt_BR.fl_str_mv http://dx.doi.org.ez10.periodicos.capes.gov.br/10.1016/j.patrec.2009.06.003
dc.source.none.fl_str_mv reponame:Repositório Institucional da UFBA
instname:Universidade Federal da Bahia (UFBA)
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instname_str Universidade Federal da Bahia (UFBA)
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reponame_str Repositório Institucional da UFBA
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