File Download
  Links for fulltext
     (May Require Subscription)
Supplementary

Conference Paper: Can observers judge future circular path relative to a target from retinal flow?

TitleCan observers judge future circular path relative to a target from retinal flow?
Authors
Issue Date2011
PublisherPion Ltd.. The Journal's web site is located at http://i-perception.perceptionweb.com/journal/I/
Citation
The 7th Asia-Pacific Conference on Vision (APCV 2011), Hong Kong, 15-18 July 2011. In i-Perception, 2011, v. 2 n. 4, article no. 211 How to Cite?
AbstractWe investigated the ability of observers to judge whether they will pass left or right of a visible target from simulated motion along a circular path. Strategies based on optic flow would generally require compensation for pursuit eye movements. Wann & Swapp (2000) proposed an alternative strategy that requires only retinal flow. The experiments compared three conditions that provide the same retinal flow but different observer-relative optic flow. In the heading-relative view condition, simulated view direction rotated with change in heading, as naturally occurs when driving a car. In target-relative view condition, simulated view direction rotated to keep the direction of the target constant. In world-relative view condition, the simulated view direction was fixed relative to the environment. If an observer fixates the target, these conditions produce the same retinal flow. The initial heading direction of simulated motion was varied across trials, and responses were used to compute PSEs representing perceptual bias. Judgments were most accurate in the heading-relative condition. In the target-relative and world-relative view conditions, PSEs indicated large biases consistent with underestimation of path curvature. The large biases suggest that retinal flow is not sufficient to judge future circular path relative to a target.
DescriptionOpen Access Journal
亞太視覺會議, APCV 2011
Talk Session - Action and virtual environments: no. 211
Persistent Identifierhttp://hdl.handle.net/10722/136191
ISSN

 

DC FieldValueLanguage
dc.contributor.authorSaunders, JAen_US
dc.contributor.authorMa, KYen_US
dc.date.accessioned2011-07-27T02:04:24Z-
dc.date.available2011-07-27T02:04:24Z-
dc.date.issued2011en_US
dc.identifier.citationThe 7th Asia-Pacific Conference on Vision (APCV 2011), Hong Kong, 15-18 July 2011. In i-Perception, 2011, v. 2 n. 4, article no. 211en_US
dc.identifier.issn2041-6695-(electronic)-
dc.identifier.urihttp://hdl.handle.net/10722/136191-
dc.descriptionOpen Access Journal-
dc.description亞太視覺會議, APCV 2011-
dc.descriptionTalk Session - Action and virtual environments: no. 211-
dc.description.abstractWe investigated the ability of observers to judge whether they will pass left or right of a visible target from simulated motion along a circular path. Strategies based on optic flow would generally require compensation for pursuit eye movements. Wann & Swapp (2000) proposed an alternative strategy that requires only retinal flow. The experiments compared three conditions that provide the same retinal flow but different observer-relative optic flow. In the heading-relative view condition, simulated view direction rotated with change in heading, as naturally occurs when driving a car. In target-relative view condition, simulated view direction rotated to keep the direction of the target constant. In world-relative view condition, the simulated view direction was fixed relative to the environment. If an observer fixates the target, these conditions produce the same retinal flow. The initial heading direction of simulated motion was varied across trials, and responses were used to compute PSEs representing perceptual bias. Judgments were most accurate in the heading-relative condition. In the target-relative and world-relative view conditions, PSEs indicated large biases consistent with underestimation of path curvature. The large biases suggest that retinal flow is not sufficient to judge future circular path relative to a target.-
dc.languageengen_US
dc.publisherPion Ltd.. The Journal's web site is located at http://i-perception.perceptionweb.com/journal/I/-
dc.relation.ispartofi-Perceptionen_US
dc.rightsCopyright is retained by the author(s) of this article. This open-access article is distributed under a Creative Commons Licence, which permits noncommercial use, distribution, and reproduction, provided the original author(s) and source are credited and no alterations are made.-
dc.titleCan observers judge future circular path relative to a target from retinal flow?en_US
dc.typeConference_Paperen_US
dc.identifier.emailSaunders, JA: jsaun@hkucc.hku.hken_US
dc.identifier.emailMa, KY: h0609530@hku.hk-
dc.identifier.authoritySaunders, JA=rp00638en_US
dc.description.naturelink_to_OA_fulltext-
dc.identifier.doi10.1068/ic211-
dc.identifier.hkuros187003en_US
dc.identifier.volume2-
dc.identifier.issue4-
dc.publisher.placeUnited Kingdom-
dc.description.otherThe 7th Asia-Pacific Conference on Vision (APCV 2011), Hong Kong, 15-18 July 2011. In i-Perception, 2011, v. 2 n. 4, article no. 211-

Export via OAI-PMH Interface in XML Formats


OR


Export to Other Non-XML Formats