Single and multi-user head tracked glasses-free 3D displays

P. Surman, S. Day, K. Akşit, H. Urey, Joshua L. Benjamin, K. Jain, Hao Chen
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引用次数: 1

Abstract

This paper describes two head tracked displays; both provide glasses-free 3D (autostereoscopic) to viewers by producing pairs of exit pupils where the left and right stereo images are directed to the appropriate viewers' eyes under the control of a head tracker. The first display is single viewer where exit pupils are formed by a pair of picoprojectors whose position moves in accordance with the viewer's head position. Light is reflected back to the viewer's eyes using a retroreflecting screen. The second display is multi-user and is laser-based. A Gabor superlens screen is scanned with a vertical illumination column that acts as the backlight for a direct-view liquid crystal display (LCD). The emergent beam directions are controlled by a spatial light modulator (SLM) such that they land on the viewers' left and right eyes alternately. For each display the principle of operation, the display hardware and the results are presented here.
单用户和多用户头跟踪无眼镜3D显示
本文介绍了两种头部跟踪显示器;两者都通过产生一对出口瞳孔,在头部跟踪器的控制下,将左右立体图像定向到适当的观看者的眼睛,为观看者提供无需眼镜的3D(自动立体)。第一个显示是单个观看者,其中出口瞳孔由一对微投影仪形成,其位置根据观看者的头部位置移动。光线通过反射屏反射回观众的眼睛。第二个显示器是多用户的,是基于激光的。Gabor超级透镜屏幕被一个垂直照明柱扫描,该柱作为直视液晶显示器(LCD)的背光。入射光束的方向由空间光调制器(SLM)控制,使光束交替地落在观看者的左右眼睛上。针对每种显示器的工作原理,给出了显示硬件和结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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