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Reversed stereo depth and motion direction with anti-correlated stimuli

Lookup NU author(s): Professor Jenny Read

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Abstract

We used anti-correlated stimuli to compare the correspondence problem in stereo and motion. Subjects performed a two-interval forced-choice disparity/motion direction discrimination task for different displacements. For anti-correlated 1d band-pass noise, we found weak reversed depth and motion. With 2d anti-correlated stimuli, stereo performance was impaired, but the perception of reversed motion was enhanced. We can explain the main features of our data in terms of channels tuned to different spatial frequencies and orientation. We suggest that a key difference between the solution of the correspondence problem by the motion and stereo systems concerns the integration of information at different orientations.


Publication metadata

Author(s): Read JC; Eagle RA

Publication type: Article

Publication status: Published

Journal: Vision Research

Year: 2000

Volume: 40

Issue: 24

Pages: 3345-3358

ISSN (print): 0042-6989

ISSN (electronic): 1878-5646

Publisher: Pergamon

URL: http://dx.doi.org/10.1016/S0042-6989(00)00182-6

DOI: 10.1016/S0042-6989(00)00182-6

Notes: Work done during my M.Sc. in neuroscience; Eagle was my supervisor. I wrote all the image generation and analysis code, and wrote up the paper after Eagle's death.


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