Presentation | 2010-03-09 Probabilistic Interpretation of Border-ownership Signals in Early Visual Cortex Haruo HOSOYA, |
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Abstract(in English) | Several recent model studies of visual cortex have used Bayesian networks and their belief propagation algorithms, and successfiully explained various physiological properties. This paper shows that a similar model can also explain another property called border-ownership, one of contextual effects in early visual cortex reported by Zhou et al. We show that border-ownership signals can be interpreted as posterior joint probabilities of a low-level edge property and a high-level figure property, and can readily be found in a typical hierarchical Bayesian network mimicking early visual cortex, under certain conditions. We also present the result of a computer simulation that model neurons in our Bayesian network can reproduce response properties qualitatively similar to physiological data. |
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Paper # | NC2009-100 |
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Committee | NC |
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Conference Date | 2010/3/2(1days) |
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Registration To | Neurocomputing (NC) |
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Language | ENG |
Title (in Japanese) | (See Japanese page) |
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Title (in English) | Probabilistic Interpretation of Border-ownership Signals in Early Visual Cortex |
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1st Author's Name | Haruo HOSOYA |
1st Author's Affiliation | Faculty of Science, The University of Tokyo() |
Date | 2010-03-09 |
Paper # | NC2009-100 |
Volume (vol) | vol.109 |
Number (no) | 461 |
Page | pp.pp.- |
#Pages | 6 |
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