Abstract
An autostereoscopic display system which can allow multiple users to
see 3D perception of the images without loss of resolution is introduced in
this paper. It is a kind of time-sequential 3D systems incorporating eye tracking
and directional optical design to realize free viewing. The whole system consists
of five main parts: multi-user eye tracker, direct-view LCD, steerable LED
array, MCU controller, and a suit of directional optics. It employs the theory
of temporal multiplexing by the use of a LCD available to run at 120 Hz and
utilizes a multi-user eye tracker to get the viewers' eye positions so as
to control the steerable backlight to produce multiple pairs of exit pupils
to the viewers' eyes. This paper describes the detailed structure of the system,
the operation principle and the results obtained are also described. This
approach differs from many existing ones in that it is switchable between
2D and 3D mode both with full resolution and is much thinner compared to other
bulky systems with a width less than 20 cm.
© 2014 IEEE
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