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18 February 2009 Experiments on shape perception in stereoscopic displays
Laure Leroy; Philippe Fuchs; Alexis Paljic; Guillaume Moreau
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Proceedings Volume 7237, Stereoscopic Displays and Applications XX; 723717 (2009) https://doi.org/10.1117/12.805508
Event: IS&T/SPIE Electronic Imaging, 2009, San Jose, California, United States
Abstract
Stereoscopic displays are increasingly used for computer-aided design. The aim is to make virtual prototypes to avoid building real ones, so that time, money and raw materials are saved. But do we really know whether virtual displays render the objects in a realistic way to potential users? In this study, we have performed several experiments in which we compare two virtual shapes to their equivalent in the real world, each of these aiming at a specific issue by a comparison: First, we performed some perception tests to evaluate the importance of head tracking to evaluate if it is better to concentrate our efforts on stereoscopic vision; Second, we have studied the effects of interpupillary distance; Third, we studied the effects of the position of the main object in comparison with the screen. Two different tests are used, the first one using a well-known shape (a sphere) and the second one using an irregular shape but with almost the same colour and dimension. These two tests allow us to determine if symmetry is important in their perception. We show that head tracking has a more important effect on shape perception than stereoscopic vision, especially on depth perception because the subject is able to move around the scene. The study also shows that an object between the subject and the screen is perceived better than an object which is on the screen, even if the latter is better for the eye strain.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Laure Leroy, Philippe Fuchs, Alexis Paljic, and Guillaume Moreau "Experiments on shape perception in stereoscopic displays", Proc. SPIE 7237, Stereoscopic Displays and Applications XX, 723717 (18 February 2009); https://doi.org/10.1117/12.805508
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