Please use this identifier to cite or link to this item:https://hdl.handle.net/20.500.12259/97392
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dc.contributor.authorVaitkevičius, Petras Henrikas-
dc.contributor.authorMatuzevičius, Dalius-
dc.contributor.authorŠvėgžda, Algimantas-
dc.contributor.authorViliūnas, Vilius-
dc.contributor.authorRadzevičienė, Aldona-
dc.contributor.authorBliumas, Remigijus-
dc.contributor.authorStanikūnas, Rytis-
dc.contributor.authorKulikowski, Janus J-
dc.coverage.spatialLT-
dc.date.accessioned2019-05-29T22:36:41Z-
dc.date.available2019-05-29T22:36:41Z-
dc.date.issued2013-
dc.identifier.issn02350092-
dc.identifier.otherVDU02-000058100-
dc.identifier.urihttp://elibrary.ru/item.asp?id=20872603-
dc.description.abstractIt is important to know whether the binocular 3-D space perception is available without geometrical cues. In this regard, the paper deals with the question, whether the differences in monocular contrast of the object images at the left and right retina affect the perceived direction and depth of the object in space. The binocular analyzer model, introduced in the paper, consists of a set of local analyzers (LA) and the global one. LA determines the centroid of the light distribution over its receptive fi eld and identifi es the coordinates of the centroid in the local coordinate system of the given analyzer. There are separate on- and offanalyzers, which send information independently to the input of the global system, where the location of the objects in visual space is determined. LA has four Gabor like monocular neurons in the left and right eye separately (or in monocular channels). These neurons obtain information from the joint receptive fi eld which is located in the corresponding areas of the retina of the left and right eyes. Three binocular neurons algebraically sum up the output signals of the identical monocular Gabor neurons located in different retina. The values of these three binocular signals determine the components of 3-D vector, the orientation of which identifies two spatial coordinates (parallax and depth) of an object (similar as color saturation and hue are determined by 3-D color vector). The identified coordinates of a centroid depend not only on the monocular coordinates of two centroids but also on contrasts of monocular images. The introduced binocular analyzer model predicts that the impact of the contrast on the “perceived” location of the object also depends on the position of the object in visual space. For example, the contrast doesn’t impact the identifi ed parallax (or visual direction) when the object is located on the longitudinal horopteren
dc.description.sponsorshipVilniaus Gedimino technikos universitetas-
dc.description.sponsorshipVilniaus universitetas, algimantas.svegzda@ff.vu.lt-
dc.description.sponsorshipVilniaus universitetas, henrikas.vaitkevicius@ff.vu.lt-
dc.description.sponsorshipVilniaus universitetas, remigijus.bliumas@fsf.vu.lt-
dc.description.sponsorshipVilniaus universitetas, rytis.stanikunas@ff.vu.lt-
dc.description.sponsorshipVilniaus universitetas, vilius.viliunas@ff.vu.lt-
dc.description.sponsorshipVytauto Didžiojo universitetas-
dc.description.sponsorshipŠvietimo akademija-
dc.format.extentP. 291-305-
dc.language.isoru-
dc.relation.ispartofСенсорные системы. , Т. 27, № 4 (2013)-
dc.relation.isreferencedbyBIOSIS Previews-
dc.relation.isreferencedbyZoological Record-
dc.subjectVisual perceptionen
dc.subjectBinocular visionen
dc.subjectMonocular contrasten
dc.subjectPerception of depth and directionen
dc.subjectStereo acuityen
dc.subject.otherPsichologija / Psychology (S006)-
dc.titleВлияние интерокулярных различий в контрасте изображений объекта на восприятие его пространственных координатru
dc.title.alternativeInfluence of difference in monocular contrasts on perception of an object in 3-d visual spaceen
dc.typeStraipsnis Clarivate Analytics Web of Science Master Journal List / Article in Clarivate Analytics Web of Science Master Journal List (S2)-
dc.date.updated2014-09-02T13:00Z-
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crisitem.author.deptFizikos katedra-
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crisitem.author.deptFizikos katedra-
crisitem.author.deptŠvietimo akademija-
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crisitem.author.deptFizikos katedra-
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Appears in Collections:Universiteto mokslo publikacijos / University Research Publications
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