6 March 2014 Parallax multi-viewer autostereoscopic three-dimensional display
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Abstract
It is a widely held belief that in the long run, three-dimensional (3D) display should supply stereo to multiple viewers without wearing any viewing aids and free to move. Over the last few decades, great e®orts have been made to approach auto-stereoscopic (AS) display for multiple viewers. Spatial multiplexing technique has ¯rst been employed to accommodate multiple viewers simultaneously in stereoscopic planar display. However, resolution of each view image decreases as the number of viewers increases. Recent development of high-speed liquid crystal display (LCD), which is capable of operating 240-Hz frame rate, makes feasible multi-viewer display via time multiplexing and improving image quality at the same time. In this paper, we propose a display adjustment algorithm that enables high-quality auto-stereoscopic display for multiple viewers. The proposed method relies on spatio-temporal parallax barrier to channel desired stereo pair to corresponding viewers according to their locations. We subsequently conduct simulations that demonstrate the e®ectiveness of the proposed method.
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Lingdao Sha, Dan Schonfeld, Qun Li, "Parallax multi-viewer autostereoscopic three-dimensional display", Proc. SPIE 9011, Stereoscopic Displays and Applications XXV, 90111M (6 March 2014); doi: 10.1117/12.2038285; https://doi.org/10.1117/12.2038285
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