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|Psychology Journal Articles
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|Encoding and estimation of first- and second-order binocular disparity in natural images
Binocular energy model
|Hibbard P, Goutcher R & Hunter D (2016) Encoding and estimation of first- and second-order binocular disparity in natural images. Vision Research, 120, pp. 108-120. https://doi.org/10.1016/j.visres.2015.10.016
|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.
|Copyright 2016 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
|Hibbard et al 2016.pdf
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