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Encoding and estimation of first- and second-order binocular disparity in natural images

Hibbard, PB and Goutcher, R and Hunter, DW (2016) 'Encoding and estimation of first- and second-order binocular disparity in natural images.' Vision Research, 120. 108 - 120. ISSN 0042-6989

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Abstract

© 2016 The Authors. The first stage of processing of binocular information in the visual cortex is performed by mechanisms that are bandpass-tuned for spatial frequency and orientation. Psychophysical and physiological evidence have also demonstrated the existence of second-order mechanisms in binocular processing, which can encode disparities that are not directly accessible to first-order mechanisms. We compared the responses of first- and second-order binocular filters to natural images. We found that the responses of the second-order mechanisms are to some extent correlated with the responses of the first-order mechanisms, and that they can contribute to increasing both the accuracy, and depth range, of binocular stereopsis.

Item Type: Article
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Divisions: Faculty of Science and Health > Psychology, Department of
Depositing User: Jim Jamieson
Date Deposited: 15 Jan 2016 15:21
Last Modified: 27 Dec 2017 00:15
URI: http://repository.essex.ac.uk/id/eprint/15865

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