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Vertical disparity nulling in random-dot stereograms

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Abstract

Vertical alignment of monocularly visible structures has profound influence on a binocular system's ability to fuse high spatial frequencies of a random-dot stereogram. We show that monocular objects “capture” the vertical alignment: often less than 5% of the total stereogram area determines the state of the vertical alignment and can prevent fusion of the fine scale detail. This suggests that the human binocular system uses a heuristic in which, when monocularly salient information is available, stereomatching is attempted only at vertical alignment settings determined by the monocular structures.

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Authors and Affiliations

  1. Artificial Intelligence Center, FMC Corporation, P.O. Box 580, 95052, Santa Clara, CA, USA

    K. Prazdny

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  1. K. Prazdny
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Prazdny, K. Vertical disparity nulling in random-dot stereograms. Biol. Cybernetics 56, 61–67 (1987). https://doi.org/10.1007/BF00333069

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  • DOI: https://doi.org/10.1007/BF00333069

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