Phase-differencing in stereo vision: solving the localisation problem

du Buf, J. M. H.; Terzic, Kasim; Rodrigues, J. M. F.

Publication

Phase-differencing in stereo vision: solving the localisation problem

2013Conference object

dc.contributor.author	du Buf, J. M. H.
dc.contributor.author	Terzic, Kasim
dc.contributor.author	Rodrigues, J. M. F.
dc.date.accessioned	2014-01-29T21:06:56Z
dc.date.available	2014-01-29T21:06:56Z
dc.date.issued	2013
dc.date.updated	2014-01-27T23:31:41Z
dc.description.abstract	Complex Gabor filters with phases in quadrature are often used to model even- and odd-symmetric simple cells in the primary visual cortex. In stereo vision, the phase difference between the responses of the left and right views can be used to construct a disparity or depth map. Various constraints can be applied in order to construct smooth maps, but this leads to very imprecise depth transitions. In this theoretical paper we show, by using lines and edges as image primitives, the origin of the localisation problem. We also argue that disparity should be attributed to lines and edges, rather than trying to construct a 3D surface map in cortical area V1. We derive allowable translation ranges which yield correct disparity estimates, both for left-view centered vision and for cyclopean vision.	por
dc.identifier.citation	du Buf, J.M.H.; Tersic, K.; Rodrigues, J.M.F.Phase-differencing in stereo vision: solving the localisation problem, Trabalho apresentado em 6th Int. Conf. on Bio-inspired Systems and Signal Processing, In 6th Int. Conf. on Bio-inspired Systems and Signal Processing, Barcelona, Spain, 2013.	por
dc.identifier.doi	10.5220/0004349702540263
dc.identifier.other	AUT: DUB00865; JRO00913;
dc.identifier.uri	http://hdl.handle.net/10400.1/3388
dc.language.iso	eng	por
dc.peerreviewed	yes	por
dc.relation	A neuro-dynamic framework for cognitive robotics: scene representations, behavioural sequences, and learning.
dc.subject	Complex gabor filters	por
dc.subject	Phase	por
dc.subject	Disparity	por
dc.subject	Lines	por
dc.subject	Edges	por
dc.subject	Localisation	por
dc.title	Phase-differencing in stereo vision: solving the localisation problem	por
dc.type	conference object
dspace.entity.type	Publication
oaire.awardTitle	A neuro-dynamic framework for cognitive robotics: scene representations, behavioural sequences, and learning.
oaire.awardURI	info:eu-repo/grantAgreement/EC/FP7/270247/EU
oaire.citation.conferencePlace	Barcelona, Espanha	por
oaire.citation.endPage	263	por
oaire.citation.startPage	254	por
oaire.citation.title	BIOSIGNALS -6th International Conference on Bio-inspired Systems and Signal Processing	por
oaire.fundingStream	FP7
person.familyName	du Buf
person.familyName	Terzic
person.familyName	Rodrigues
person.givenName	Hans
person.givenName	Kasim
person.givenName	Joao
person.identifier.ciencia-id	8A19-98F7-9914
person.identifier.orcid	0000-0002-4345-1237
person.identifier.orcid	0000-0001-6692-209X
person.identifier.orcid	0000-0002-3562-6025
person.identifier.rid	M-5125-2013
person.identifier.rid	N-6522-2013
person.identifier.scopus-author-id	6604075916
person.identifier.scopus-author-id	24544884400
person.identifier.scopus-author-id	55807461600
project.funder.identifier	http://doi.org/10.13039/501100008530
project.funder.name	European Commission
rcaap.rights	openAccess	por
rcaap.type	conferenceObject	por
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