Presentation 1997/6/20
Neural Model of Stereoacuity
Nobuhiko Asakura, Toshio Inui,
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Abstract(in English) It has been suggested that binocular complex cells in the primary visual cortex play an important role for extracting binocular disparity and the cells'behavior can be well described as binocular energy filters (disparity energy model). Using statistical estimation theory, we evaluate the properties of disparity energy model in terms of the disparity uncertainty and relate them to human depth perception, in particular stereoacuity. It is shown that the lower bound on the disparity uncertainty, which can be derived by using Cramer-Rao lower bound, can qualitatively predict the results of psychophysical studies of stereoacuity.
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Keyword(in English) binocular disparity / stereoacuity / disparity energy model / Cramer-Rao lower bound
Paper # HIP97-1
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Committee HIP
Conference Date 1997/6/20(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
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Title (in English) Neural Model of Stereoacuity
Sub Title (in English)
Keyword(1) binocular disparity
Keyword(2) stereoacuity
Keyword(3) disparity energy model
Keyword(4) Cramer-Rao lower bound
1st Author's Name Nobuhiko Asakura
1st Author's Affiliation Department of Psychology, Faculty of Letters, Kyoto University()
2nd Author's Name Toshio Inui
2nd Author's Affiliation Matto Labs., Kanazawa Institute of Technology
Date 1997/6/20
Paper # HIP97-1
Volume (vol) vol.97
Number (no) 117
Page pp.pp.-
#Pages 7
Date of Issue