Abstract
Approaches are described for image acquisition and playback for 3-D computer graphics, 3-D television and 3-D theatre movies without special glasses. Projection lamps, spatial light modulators, CRTs and dynamic scanning are all eliminated by the application of an active image array, all static components and a semispecular screen. The resulting picture shows horizontal parallax with a wide horizontal view field (up to 360°), giving a holographic appearance in full colour with smooth, continuous viewing without speckle. Static component systems are compared with dynamic component systems using both linear and circular arrays. Computer graphic systems are shown, which allow complex shaded colour images to extend from the viewer's eyes to infinity. Large screen systems visible by hundreds of people are feasible by the use of low f-stops and high-gain screens in projecttion. Screen geometries and special screen properties are shown.
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