August 2010
Volume 10, Issue 7
Free
Vision Sciences Society Annual Meeting Abstract  |   August 2010
Multiple Planes in Stereo-Transparency
Author Affiliations
  • Adam Reeves
    Dept. of psychology, Northeastern University, Boston MA
  • David Lynch
    Dept. of psychology, Northeastern University, Boston MA
  • Minh Tran
    Dept. of psychology, Northeastern University, Boston MA
  • Rebecca Grayem
    Dept. of psychology,Northeastern University, Boston MA
Journal of Vision August 2010, Vol.10, 375. doi:10.1167/10.7.375
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      Adam Reeves, David Lynch, Minh Tran, Rebecca Grayem; Multiple Planes in Stereo-Transparency. Journal of Vision 2010;10(7):375. doi: 10.1167/10.7.375.

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Abstract

In the typical Julesz display, subjects view random-dot stereograms in which dots in each depth plane are adjacent. However, Tsirlin, Allison, & Wilcox (JOV/8/5/5) intermingled dots with different disparities to create transparent, overlaid, depth planes. With free viewing and unlimited time to search and re-fixate, their subjects could distinguish up to six such depth planes. We now report that naïve subjects achieve this by scanning the display, noting only two or three planes at a time. However, after many hours of practice, experienced subjects can, in optimal conditions, accurately distinguish six to eight depth planes in a random display within 400 ms. (We provide unlimited exposure to just the first and last planes, to facilitate fusion, before completing the display for the specified time.) The new result supports theories of stereopsis in which the simultaneous analysis of multiple depth planes is possible, even without spatial adjacency.

Reeves, A. Lynch, D. Tran, M. Grayem, R. (2010). Multiple Planes in Stereo-Transparency [Abstract]. Journal of Vision, 10(7):375, 375a, http://www.journalofvision.org/content/10/7/375, doi:10.1167/10.7.375. [CrossRef]
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