In this chapter, you will become familiar with the various techniques for the volumetric display of visual imagery. Unlike a traditional 2D screen, or even the newest glasses-based stereoscopic 3D TVs and movie theatre experiences, volumetric technologies provide the viewer with a feeling of “holographic” imagery with varying degrees of motion parallax based on the technique used to recreate a display in natural 3D space. Motion parallax describes the ability to perceive depth based on the movement of the observer relative to multiple stationary objects against a background. Believe it or not, many people cannot actually perceive the 3D effect from stereo glasses because their brains lack full stereovision development. How come these people aren’t bumping into things? It’s because every slight movement of your head reveals the depth of your surroundings. This feature, not yet available in any mass market 3D solution, is what sets this novel approach apart from glasses-based experiences.
KeywordsMotion Parallax Display Technique Digital Micromirror Device Digital Light Processing Rear Projection
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