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Controlling perceived depth in stereoscopic images.

Jones, G. R. and Lee, D. and Holliman, N. S. and Ezra, D. (2001) 'Controlling perceived depth in stereoscopic images.', in Stereoscopic displays and applications VIII. Bellingham, WA: SPIE, pp. 42-53. Proceedings of SPIE. (4297).

Abstract

Stereoscopic images are hard to get right, and comfortable images are often only produced after repeated trial and error. The main difficulty is controlling the stereoscopic camera parameters so that the viewer does not experience eye strain or double images from excessive perceived depth. Additionally, for head tracked displays, the perceived objects can distort as the viewer moves to look around the displayed scene. We describe a novel method for calculating stereoscopic camera parameters with the following contributions: (1) Provides the user intuitive controls related to easily measured physical values. (2) For head tracked displays; necessarily ensures that there is no depth distortion as the viewer moves. (3) Clearly separates the image capture camera/scene space from the image viewing viewer/display space. (4) Provides a transformation between these two spaces allowing precise control of the mapping of scene depth to perceived display depth. The new method is implemented as an API extension for use with OpenGL, a plug-in for 3D Studio Max and a control system for a stereoscopic digital camera. The result is stereoscopic images generated correctly at the first attempt, with precisely controlled perceived depth. A new analysis of the distortions introduced by different camera parameters was undertaken.

Item Type:Book chapter
Keywords:Graphics systems, Human factors, Rendering, Virtual reality, Stereoscopic, 3D display.
Full text:PDF - Published Version (884Kb)
Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1117/12.430855
Publisher statement:G. R. Jones, D. Lee, N. S. Holliman, D. Ezra, “'Controlling perceived depth in stereoscopic images”, Proceedings of SPIE : Stereoscopic displays and applications XII : 2001, A. J. Woods, Mark T. Bolas, J. O. Merritt, Stephen A. Benton, Editors, 4297, 42-53, (2001). Copyright 2001 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Record Created:10 Oct 2008
Last Modified:08 Jun 2012 15:12

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