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dc.contributor.authorCanton Ferrer, Cristian
dc.contributor.authorSalvador Marcos, Jordi
dc.contributor.authorCasas Pla, Josep Ramon
dc.contributor.authorPardàs Feliu, Montse
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions
dc.date.accessioned2010-10-06T14:11:42Z
dc.date.available2010-10-06T14:11:42Z
dc.date.created2008-06
dc.date.issued2008-06
dc.identifier.citationCanton, C. [et al.]. Multi-person tracking strategies based on voxel analysis. "Lecture notes in computer science", Juny 2008, vol. 4625, p. 91-103.
dc.identifier.issn0302-9743
dc.identifier.urihttp://hdl.handle.net/2117/9463
dc.description.abstractThis paper presents two approaches to the problem of simultaneous tracking of several people in low resolution sequences from multiple calibrated cameras. Spatial redundancy is exploited to generate a discrete 3D binary representation of the foreground objects in the scene. Color information obtained from a zenithal camera view is added to this 3D information. The first tracking approach implements heuristic association rules between blobs labelled according to spatiotemporal connectivity criteria. Association rules are based on a cost function which considers their placement and color histogram. In the second approach, a particle filtering scheme adapted to the incoming 3D discrete data is proposed. A volume likelihood function and a discrete 3D re-sampling procedure are introduced to evaluate and drive particles. Multiple targets are tracked by means of multiple particle filters and interaction among them is modeled through a 3D blocking scheme. Evaluation over the CLEAR 2007 database yields quantitative results assessing the performance of the proposed algorithm for indoor scenarios.
dc.format.extent13 p.
dc.language.isoeng
dc.subjectÀrees temàtiques de la UPC::Enginyeria de la telecomunicació
dc.subject.lcshSignal theory (Telecommunication)
dc.subject.lcshThree-dimensional
dc.titleMulti-person tracking strategies based on voxel analysis
dc.typeArticle
dc.subject.lemacSenyal, Teoria del (Telecomunicació)
dc.contributor.groupUniversitat Politècnica de Catalunya. GPI - Grup de Processament d'Imatge i Vídeo
dc.identifier.doi10.1007/978-3-540-68585-2_7
dc.relation.publisherversionhttp://dx.doi.org/10.1007/978-3-540-68585-2_7
dc.rights.accessRestricted access - publisher's policy
local.identifier.drac780730
dc.description.versionPostprint (published version)
local.citation.authorCanton, C.; Salvador, J.; Casas, J.; Pardas, M.
local.citation.publicationNameLecture notes in computer science
local.citation.volume4625
local.citation.startingPage91
local.citation.endingPage103


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