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The role of surface attraction in perceiving volumetric shape

The role of surface attraction in perceiving volumetric shape
The role of surface attraction in perceiving volumetric shape
Rock [1973, Orientation and Form (New York: Academic Press)] showed that form perception generally depends more on the orientation of a stimulus in world coordinates than on its orientation in retinal coordinates. He suggested that the assignment of an object's 'environmental orientation' depends on gravity, visual frame of reference, and the observer's ability to impose orientation along one axis or another. This paper shows that the assignment of environmental orientation and perceived 3-D form also depends on the relationship between an object and retinally adjacent surfaces in the scene to which it might be attached. Whereas previous examples have demonstrated effects of orientation on 2-D form, we show that orientation can affect the perceived intrinsic 3-D shape of a volume.
409-420
Albert, Marc K.
8b8994c1-ffc0-4f5e-93d7-45ad7782b8ca
Tse, Peter U.
79193991-6376-40ee-b1d7-d0df8eadc9ba
Albert, Marc K.
8b8994c1-ffc0-4f5e-93d7-45ad7782b8ca
Tse, Peter U.
79193991-6376-40ee-b1d7-d0df8eadc9ba

Albert, Marc K. and Tse, Peter U. (2000) The role of surface attraction in perceiving volumetric shape. Perception, 29 (4), 409-420. (doi:10.1068/p3040).

Record type: Article

Abstract

Rock [1973, Orientation and Form (New York: Academic Press)] showed that form perception generally depends more on the orientation of a stimulus in world coordinates than on its orientation in retinal coordinates. He suggested that the assignment of an object's 'environmental orientation' depends on gravity, visual frame of reference, and the observer's ability to impose orientation along one axis or another. This paper shows that the assignment of environmental orientation and perceived 3-D form also depends on the relationship between an object and retinally adjacent surfaces in the scene to which it might be attached. Whereas previous examples have demonstrated effects of orientation on 2-D form, we show that orientation can affect the perceived intrinsic 3-D shape of a volume.

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Published date: 2000

Identifiers

Local EPrints ID: 18491
URI: http://eprints.soton.ac.uk/id/eprint/18491
PURE UUID: 07583d75-62b9-4309-a790-bae7f6c2c34d

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Date deposited: 14 Dec 2005
Last modified: 15 Jul 2019 19:28

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Contributors

Author: Marc K. Albert
Author: Peter U. Tse

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