Degrees of Freedom

摘要

A heightened sense of 3D has been available for some time to wearers of shutter glasses and head-mounted displays, but manufacturers are only starting to commercialize display technology that does not require users to wear special viewing devices.' These autostereoscopic displays, as they are called, generate separate images for the left and right eyes and project them to the observer through filtering screens, creating a stereoscopic—or parallax—view. By making 3D computer imaging a more seamless part of everyday work and play, autostereoscopic systems should be attractive for a wide range of applications, including molecular modeling, scientific visualization, medical training, computer-aided design, collaborative design and manufacturing, virtual teleconferencing, gaming, and virtual portraiture.