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School of Engineering and Computing Sciences (ECS)

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Publication details for Dr Nick Holliman

Jones, G. R. Lee, D. Holliman, N. S. & Ezra, D. (2001). Controlling perceived depth in stereoscopic images. Stereoscopic Displays and Virtual Reality Systems VIII, San Jose, USA, International Society for Optical Engineering.
  • Publication type: Edited works: conference proceedings
  • ISSN/ISBN: 0277-786X, 0819439754
  • Keywords: Graphics systems, Human factors, Rendering, Virtual reality, Stereoscopic, 3D display.
  • View online: Online version
  • Durham research online: DRO record

Author(s) from Durham

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.

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Notes

21-26 January 2001.

Part of IS&T/SPIE's 13th Annual Symposium on Electronic Imaging : Science and Technology.