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Journal Article

Citation

Yeh YY, Silverstein LD. Hum. Factors 1990; 32(1): 45-60.

Affiliation

Systems and Research Center, Honeywell, Inc., Phoenix, AZ 85036-21111.

Copyright

(Copyright © 1990, Human Factors and Ergonomics Society, Publisher SAGE Publishing)

DOI

unavailable

PMID

2376407

Abstract

The effective use of stereoscopic display systems is dependent, in part, on reliable data describing binocular fusion limits and the accuracy of depth discrimination for such visual display devices. These issues were addressed in three experiments, as were the effects of interocular cross talk. Results showed that limits of fusion were approximately 27.0 min arc for crossed disparity and 24.0 min arc for uncrossed disparity. Subjects were extremely accurate in distinguishing the relative distance among four groups of stimuli, were able to identify a pair of stimuli colocated at the same depth plane within each group, and were fairly accurate in scaling stimuli along the depth dimension. The mean error in using disparity as a depth cue was approximately 2.2 min arc. Interocular cross talk had little effect on fusion limits for 200-ms stimulus presentations but significantly affected fusion for longer (2 s) presentations that enabled vergence responses to be executed. Depth discrimination performance was essentially unaffected by interocular cross talk; however, cross talk significantly influenced subjective ratings of image quality and visual comfort.


Language: en

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