Effect of viewing a three-dimensional movie with vertical parallax

•This study examined the effects of viewing a 3D movie with vertical parallax.•Evaluation scores did not change when a 2D movie was viewed on a tilted display.•The stimulus of viewing a tilted 3D movie increased feelings of discomfort.•An effect related to vertical parallax generated by a tilted scr...

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Bibliographic Details
Published in:Displays 2019-07, Vol.58, p.20-26
Main Authors: Sugita, Norihiro, Sasaki, Katsuhiro, Yoshizawa, Makoto, Ichiji, Kei, Abe, Makoto, Homma, Noriyasu, Yambe, Tomoyuki
Format: Article
Language:English
Subjects:
3D display
Discomfort
Eye movement
Vertical parallax
Visual fatigue
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Summary:•This study examined the effects of viewing a 3D movie with vertical parallax.•Evaluation scores did not change when a 2D movie was viewed on a tilted display.•The stimulus of viewing a tilted 3D movie increased feelings of discomfort.•An effect related to vertical parallax generated by a tilted screen was apparent. The vertical parallax of both eyes, caused by tilting the head when watching three-dimensional (3D) television or movies, can induce visual fatigue or visually-induced motion sickness. The purpose of the present study was to investigate levels of discomfort and fatigue and eye movements induced by viewing a 3D movie with vertical parallax. Two experiments were conducted to investigate the relationship between the degree of vertical parallax and the magnitude of the effect. The results indicate that the viewer’s feeling of visual malaise increases as the angle of the screen increases, with respect to the observer’s head, because eye movement does not compensate for the parallax in the vertical direction. Binocular rivalry is believed to occur when viewing a 3D movie with vertical parallax, which may induce even more visual malaise.
ISSN:0141-9382
1872-7387
DOI:10.1016/j.displa.2018.10.007