Amodal completion in the absence of image tangent discontinuities
Amodal completion in the absence of image tangent discontinuities
It has been widely believed since Helmholtz that tangent discontinuities in image contours, such as T-junctions or L-junctions, will occur when one object occludes another. Here we describe a class of occlusion relationships where changes in 'border ownership' and amodal completion take place in the absence of tangent discontinuities in the image. We propose that even subtle curvature discontinuities can be a signal to potential changes in border ownership, and are valid ecological cues for occlusion in certain scenes.
455-464
Tse, Peter Ulric
e3fecb76-b00f-442f-8328-0503c9d82f93
Albert, Marc K.
8b8994c1-ffc0-4f5e-93d7-45ad7782b8ca
1998
Tse, Peter Ulric
e3fecb76-b00f-442f-8328-0503c9d82f93
Albert, Marc K.
8b8994c1-ffc0-4f5e-93d7-45ad7782b8ca
Tse, Peter Ulric and Albert, Marc K.
(1998)
Amodal completion in the absence of image tangent discontinuities.
Perception, 27 (4), .
Abstract
It has been widely believed since Helmholtz that tangent discontinuities in image contours, such as T-junctions or L-junctions, will occur when one object occludes another. Here we describe a class of occlusion relationships where changes in 'border ownership' and amodal completion take place in the absence of tangent discontinuities in the image. We propose that even subtle curvature discontinuities can be a signal to potential changes in border ownership, and are valid ecological cues for occlusion in certain scenes.
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Published date: 1998
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Local EPrints ID: 18495
URI: http://eprints.soton.ac.uk/id/eprint/18495
PURE UUID: 435f7676-c076-4e66-908f-29bbfa19c1d7
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Date deposited: 14 Dec 2005
Last modified: 08 Jan 2022 00:59
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Author:
Peter Ulric Tse
Author:
Marc K. Albert
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