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Conference Paper: Polygonal light source estimation

TitlePolygonal light source estimation
Authors
Schnieders, DWong, KYKDai, Z
Keywords3-D space
Closed form solutions
Empirical analysis
Existing method
Ill-conditioned
Issue Date2010
PublisherSpringer Verlag. The Journal's web site is located at http://springerlink.com/content/105633/
Citation
The 9th Asian Conference on Computer Vision (AACV 2009), Xi’an, China, 23-27 September 2009. In Lecture Notes in Computer Science, 2009, v. 5996, p. 96-107 How to Cite?
DOI: http://dx.doi.org/10.1007/978-3-642-12297-2_10
AbstractThis paper studies the problem of light estimation using a specular sphere. Most existing work on light estimation assumes distant point light sources, while this work considers an area light source which is estimated in 3D space by reconstructing its edges. An empirical analysis on existing methods for line estimation from a single view is carried out, and it is shown that line estimation for a single view of a sphere is an ill-conditioned configuration. By considering a second identical sphere, a closed form solution for single view polygonal light estimation is proposed. In addition, this paper also proposes an iterative approach based on two unknown views of just a single sphere. Experimental results on both synthetic and real data are presented. © Springer-Verlag 2010.
DescriptionLNCS v. 5996 is the conference proceedings of AACV 2009
Persistent Identifierhttp://hdl.handle.net/10722/144830
ISSN
0302-9743
2020 SCImago Journal Rankings: 0.249
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorSchnieders, Den_HK
dc.contributor.authorWong, KYKen_HK
dc.contributor.authorDai, Zen_HK
dc.date.accessioned2012-02-08T06:32:22Z-
dc.date.available2012-02-08T06:32:22Z-
dc.date.issued2010en_HK
dc.identifier.citationThe 9th Asian Conference on Computer Vision (AACV 2009), Xi’an, China, 23-27 September 2009. In Lecture Notes in Computer Science, 2009, v. 5996, p. 96-107en_HK
dc.identifier.issn0302-9743en_HK
dc.identifier.urihttp://hdl.handle.net/10722/144830-
dc.descriptionLNCS v. 5996 is the conference proceedings of AACV 2009-
dc.description.abstractThis paper studies the problem of light estimation using a specular sphere. Most existing work on light estimation assumes distant point light sources, while this work considers an area light source which is estimated in 3D space by reconstructing its edges. An empirical analysis on existing methods for line estimation from a single view is carried out, and it is shown that line estimation for a single view of a sphere is an ill-conditioned configuration. By considering a second identical sphere, a closed form solution for single view polygonal light estimation is proposed. In addition, this paper also proposes an iterative approach based on two unknown views of just a single sphere. Experimental results on both synthetic and real data are presented. © Springer-Verlag 2010.en_HK
dc.languageeng-
dc.publisherSpringer Verlag. The Journal's web site is located at http://springerlink.com/content/105633/en_HK
dc.relation.ispartofLecture Notes in Computer Scienceen_HK
dc.rightsThe original publication is available at www.springerlink.com-
dc.subject3-D space-
dc.subjectClosed form solutions-
dc.subjectEmpirical analysis-
dc.subjectExisting method-
dc.subjectIll-conditioned-
dc.titlePolygonal light source estimationen_HK
dc.typeConference_Paperen_HK
dc.identifier.emailWong, KYK:kykwong@cs.hku.hken_HK
dc.identifier.authorityWong, KYK=rp01393en_HK
dc.description.naturepostprint-
dc.identifier.doi10.1007/978-3-642-12297-2_10en_HK
dc.identifier.scopuseid_2-s2.0-78650474167en_HK
dc.identifier.hkuros161862-
dc.identifier.hkuros201908-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-78650474167&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume5996 LNCSen_HK
dc.identifier.issuePART 3en_HK
dc.identifier.spage96en_HK
dc.identifier.epage107en_HK
dc.publisher.placeGermanyen_HK
dc.description.otherThe 9th Asian Conference on Computer Vision (AACV 2009), Xi’an, China, 23-27 September 2009. In Lecture Notes in Computer Science, 2009, v. 5996, p. 96-107-
dc.identifier.scopusauthoridSchnieders, D=25655251600en_HK
dc.identifier.scopusauthoridWong, KYK=24402187900en_HK
dc.identifier.scopusauthoridDai, Z=7201387187en_HK
dc.identifier.issnl0302-9743-

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