Research on Visual Fatigue Related to Parallax

The sense of discomfort when watching stereoscopic display caused by visual fatigue has hindered the widespread applications of 3D display. In this work, we explore the relationship between visual fatigue and parallax in 3D display using objective assessment. The visual fatigue is evaluated after viewing different parallax 3D samples. The results demonstrate that visual fatigue increases faster in negative parallax than positive one. Surprisingly, it indicates that visual fatigue can be achieved less value than 2D display with unconspicuous parallax, which makes subjects feel more comfortable of 3D visual perception than 2D. We envision that this relationship is able to establish a novel criterion in designing stereoscopic images.

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