DURING the past decade, we have witnessed rapid advancement
in 3D display technology. Diverse approaches
have attempted to realize 3D scenes on a flat panel display.
Among them, a multiview autostereoscopic display provides,
at a low cost, immersive 3D environments to multiple users
without requirement of wearing special glasses. An autostereoscopic
display uses optical elements such as lenticular
lenses or parallax barriers to direct each ray from the pixels
toward the intended view point [2], [3]. Although the lenses
and barriers work differently, i.e., lenses by refracting the rays
and barriers by blocking irrelevant rays, they commonly fulfill
the same principle that different pixels must be visible in
different eye positions. If the left eye and the right eye are
located in different viewing zones, they will observe different
images and consequently recognize the binocular disparity.
Moreover, as the eyes move horizontally, the observed images
change slightly, realizing so-called motion parallax. The binocular
disparity and the motion parallax are two most important
visual cues for human 3D perception