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Proceedings Paper

Depth reversal in binocular vision with symmetrical convergence
Author(s): Chang-Ming Sun; Andrew K. Forrest
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Paper Abstract

Binocular vision is the coordinated behavior of the two eyes by which a single perception of the external world is obtained and by which, the specific sensation of stereoscopic depth perception, is made possible. This perception, however, can be reversed by interchanging the left- and right-eye views. In this paper, the mathematical expression of the Vieth-Mueller circle is derived. A point on the line of the primary direction is found which only relates to the convergence angle and the interocular distance. A relation is developed between the position of a point in real space and its reversal if viewed pseudoscopically. It is shown that in some circumstances a concave surface is not necessarily perceived as a convex surface under pseudoscopic viewing conditions. The difference in perceiving real objects and stereograms is briefly discussed.

Paper Details

Date Published: 1 November 1992
PDF: 8 pages
Proc. SPIE 1825, Intelligent Robots and Computer Vision XI: Algorithms, Techniques, and Active Vision, (1 November 1992); doi: 10.1117/12.131529
Show Author Affiliations
Chang-Ming Sun, Imperial College of Science, Technology, and Medicine (United Kingdom)
Andrew K. Forrest, Imperial College of Science, Technology, and Medicine (United Kingdom)


Published in SPIE Proceedings Vol. 1825:
Intelligent Robots and Computer Vision XI: Algorithms, Techniques, and Active Vision
David P. Casasent, Editor(s)

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