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CHI
1995
ACM

Pre-Screen Projection: From Concept to Testing of a New Interaction Technique

8 years 11 months ago
Pre-Screen Projection: From Concept to Testing of a New Interaction Technique
Pre-screen projection is a new interaction technique that allows a user to pan and zoom integrally through a scene simply by moving his or her head relative to the screen. The underlying concept is based on real-world visual perception, namely, the fact that a person’s view changes as the head moves. Pre-screen projection tracks a user’s head in three dimensions and alters the display on the screen relative to head position, giving a natural perspective effect in response to a user’s head movements. Specifically, projection of a virtual scene is calculated as if the scene were in front of the screen. As a result, the visible scene displayed on the physical screen expands (zooms) dramatically as a user moves nearer. This is analogous to the real world, where the nearer an object is, the more rapidly it visually expands as a person moves toward it. Further, with pre-screen projection a user can navigate (pan and zoom) around a scene integrally, as one unified activity, rather than...
Deborah Hix, James N. Templeman, Robert J. K. Jaco
Added 25 Aug 2010
Updated 25 Aug 2010
Type Conference
Year 1995
Where CHI
Authors Deborah Hix, James N. Templeman, Robert J. K. Jacob
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