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Article: Recognizing silhouettes and shaded images across depth rotation

TitleRecognizing silhouettes and shaded images across depth rotation
Authors
Issue Date1999
PublisherPion Ltd.. The Journal's web site is located at http://www.perceptionweb.com
Citation
Perception, 1999, v. 28 n. 10, p. 1197-1215 How to Cite?
AbstractOutline-shape information may be particularly important in the recognition of depth-rotated objects because it provides a coarse shape description which gives first-pass information about the structure of an object. In four experiments, we compared recognition of silhouettes (showing only outline shape) with recognition of fully shaded images of objects, by means of a sequential-matching task. In experiments 1 and 2, the first stimulus was always a shaded image, and the second stimulus was either a shaded image or a silhouette. Recognition costs associated with a change in viewpoint were no greater for silhouettes than they were for shaded images. Experiments 3 and 4 replicated the design of the earlier experiments, but showed a silhouette as the initial stimulus, rather than a shaded image. In these cases, recognition costs associated with a change in viewpoint were greater for silhouettes than for shaded images. Combined, these results indicate that, while visual representations clearly include additional information, outline shape plays an important role in object recognition across depth rotation.
Persistent Identifierhttp://hdl.handle.net/10722/168934
ISSN
2015 Impact Factor: 0.917
2015 SCImago Journal Rankings: 0.518
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorHayward, WGen_US
dc.contributor.authorTarr, MJen_US
dc.contributor.authorCorderoy, AKen_US
dc.date.accessioned2012-10-08T03:39:50Z-
dc.date.available2012-10-08T03:39:50Z-
dc.date.issued1999en_US
dc.identifier.citationPerception, 1999, v. 28 n. 10, p. 1197-1215en_US
dc.identifier.issn0301-0066en_US
dc.identifier.urihttp://hdl.handle.net/10722/168934-
dc.description.abstractOutline-shape information may be particularly important in the recognition of depth-rotated objects because it provides a coarse shape description which gives first-pass information about the structure of an object. In four experiments, we compared recognition of silhouettes (showing only outline shape) with recognition of fully shaded images of objects, by means of a sequential-matching task. In experiments 1 and 2, the first stimulus was always a shaded image, and the second stimulus was either a shaded image or a silhouette. Recognition costs associated with a change in viewpoint were no greater for silhouettes than they were for shaded images. Experiments 3 and 4 replicated the design of the earlier experiments, but showed a silhouette as the initial stimulus, rather than a shaded image. In these cases, recognition costs associated with a change in viewpoint were greater for silhouettes than for shaded images. Combined, these results indicate that, while visual representations clearly include additional information, outline shape plays an important role in object recognition across depth rotation.en_US
dc.languageengen_US
dc.publisherPion Ltd.. The Journal's web site is located at http://www.perceptionweb.comen_US
dc.relation.ispartofPerceptionen_US
dc.titleRecognizing silhouettes and shaded images across depth rotationen_US
dc.typeArticleen_US
dc.identifier.emailHayward, WG:whayward@hkucc.hku.hken_US
dc.identifier.authorityHayward, WG=rp00630en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1068/p2971-
dc.identifier.pmid10694968-
dc.identifier.scopuseid_2-s2.0-0033251494en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0033251494&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume28en_US
dc.identifier.issue10en_US
dc.identifier.spage1197en_US
dc.identifier.epage1215en_US
dc.identifier.isiWOS:000084199200003-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridHayward, WG=7006352956en_US
dc.identifier.scopusauthoridTarr, MJ=7004804270en_US
dc.identifier.scopusauthoridCorderoy, AK=36857966700en_US

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