Article in Journal ()
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.
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.
Binocular disparity; Depth perception; Second-order stereopsis; Natural images; Binocular energy model
|Authors||Hibbard Paul, Goutcher Ross, Hunter David|
|Publication date online||14/01/2016|
|Date accepted by journal||26/10/2015|
Vision Research: Volume 120