Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/94949
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dc.contributor.authorRen, C.Y.en
dc.contributor.authorPrisacariu, V.A.en
dc.contributor.authorReid, I.en
dc.date.issued2011en
dc.identifier.citationProceedings of the British Machine Vision Conference 2011, 2011 / Hoey, J., McKenna, S., Trucco, E. (ed./s), pp.11.1-11.10en
dc.identifier.isbn190172543Xen
dc.identifier.urihttp://hdl.handle.net/2440/94949-
dc.description.abstractWe propose a regression based learning framework that learns a set of shapes online, which can then be used to recover occluded object shapes. We represent shapes using their 2D discrete cosine transforms, and the key insight we propose is to regress low frequency harmonics, which represent the global properties of the shape, from high frequency harmonics, that encode the details of the object's shape. We learn the regression model using Locally Weighted Projection Regression (LWPR) which expedites online, incremental learning. After sufficient observation of a set of unoccluded shapes, the learned model can detect occlusion and recover the full shapes from the occluded ones. We demonstrate the ideas using a level-set based tracking system that provides shape and pose, however, the framework could be embedded in any segmentation-based tracking system. Our experiments demonstrate the efficacy of the method on a variety of objects using both real data and artificial data.en
dc.description.statementofresponsibilityCarl Yuheng Ren, Victor Adrian Prisacariu, Ian Reiden
dc.language.isoenen
dc.publisherBMVA Pressen
dc.rights© 2011. The copyright of this document resides with its authors. It may be distributed unchanged freely in print or electronic forms.en
dc.titleRegressing local to global shape properties for online segmentation and trackingen
dc.typeConference paperen
dc.identifier.rmid0030031311en
dc.contributor.conference22nd British Machine Vision Conference BMVC 2011 (29 Aug 2011 - 02 Sep 2011 : Dundee, Scotland)en
dc.identifier.doi10.5244/C.25.11en
dc.identifier.pubid192621-
pubs.library.collectionComputer Science publicationsen
pubs.library.teamDS05en
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
dc.identifier.orcidReid, I. [0000-0001-7790-6423]en
Appears in Collections:Computer Science publications

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