EG Short Papers
2006
pp. 61-64

Toward the Light Field Display: Autostereoscopic Rendering via a Cluster of Projectors

Ruigang Yang, Xinyu Huang, Sifang Li, and Christopher Jaynes

Ultimately, a display device should be capable of reproducing the visual effects that are produced by reality. In this paper we introduce an autostereoscopic display that uses a scalable array of digital light projectors and a projection screen augmented with microlenses to simulate a light field for a given three-dimensional scene. Physical objects emit or reflect light in all directions to create a light field that can be approximated by the light field display. The display can simultaneously provide many viewers from different viewpoints a stereoscopic effect without head-tracking or special mechanical devices. We present a solution to automatically calibrate the light field display and an efficient algorithm to render the special multi-view images it requires by exploiting their spatial coherence. The effectiveness of our approach is demonstrated with a four-projector prototype that can display dynamic imagery with full parallax.

I.3.7 [Computer Graphics]: Virtual reality I.3.3 [Computer Graphics]: Display algorithms I.4.m [Image Processing and Computer Vision]: Projector calibration

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