Abstract
Stereoscopic, or multi-view, display systems are considered
as better alternatives to conventional two-dimensional (2D)
displays, since such systems can provide important visual cues for
the human brain to process three-dimensional (3D) objects. An
auto-stereoscopic display is a device that can render 3D images for
viewers without the aid of special headgear or glasses. In this
paper, we present a new design of an auto-stereoscopic swept-volume
display (SVD) system based on light-emitting diode (LED) arrays.
This system is constituted of a display device and a graphics
control sub-system. The display device is a 2D rotating panel of
LEDs, relying on “persistence of vision” to generate 3D images. The
graphics control sub-system is composed of a combination of PC
software, field-programmable gate arrays (FPGAs), and supporting
circuitry. The primary task of the graphics control sub-system is to
process 3D data and control each LED. In addition, a new 3D image
generation and rendering method was developed to reduce the
bandwidth requirement and to facilitate 3D image display.
Demonstrated in the experiments, a prototype of this system is
capable of displaying 3D images and videos with full 360° view
angles.
© 2011 IEEE
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