June 2006
Volume 6, Issue 6
Vision Sciences Society Annual Meeting Abstract  |   June 2006
On seeing transparent surfaces in stereoscopic displays
Author Affiliations
  • Inna Tsirlin
    York University, Toronto, Canada
  • Robert S. Allison
    York University, Toronto, Canada
  • Laurie M. Wilcox
    York University, Toronto, Canada
Journal of Vision June 2006, Vol.6, 830. doi:10.1167/6.6.830
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      Inna Tsirlin, Robert S. Allison, Laurie M. Wilcox; On seeing transparent surfaces in stereoscopic displays. Journal of Vision 2006;6(6):830. doi: 10.1167/6.6.830.

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      © 2016 Association for Research in Vision and Ophthalmology.

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Transparency presents an extreme challenge to stereoscopic correspondence and surface interpolation, particularly in the case of multiple transparent surfaces in the same visual direction. In this experiment we manipulate density, separation in depth, and number of transparent planes within a single experimental design, to evaluate the constraints on stereoscopic transparency. We use a novel task involving identification of patterned planes among the planes constituting the stimulus. The results show that, under these conditions, (1) subjects are able to perceive up to five transparent surfaces concurrently; (2) the transparency percept is impaired by increasing the texture density; (3) the transparency percept is initially enhanced by increasing the disparity between the surfaces; (4) the percept begins to degrade as disparity between surfaces is further increased beyond an optimal disparity, which is a function of element density. Specifically, at higher texture densities the optimal disparity shifts to smaller values. This interaction between disparity and texture density is surprising, but it can account for discrepancies in the existing literature. We are currently testing extended correlational and feature-based models of stereopsis with our stimuli. This will provide insight into our psychophysical results and a basis for quantitative evaluation of existing computational models.

Tsirlin, I. Allison, R. S. Wilcox, L. M. (2006). On seeing transparent surfaces in stereoscopic displays [Abstract]. Journal of Vision, 6(6):830, 830a, http://journalofvision.org/6/6/830/, doi:10.1167/6.6.830. [CrossRef]

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