GVU Technical Report Number:
GIT-GVU-99-01
Title:
The Analytic Distortion Induced by False-Eye Separation in Head-Tracked
Stereoscopic Displays
Authors:
Zackary Wartell
Larry F. Hodges
William Ribarsky
Abstract:
Stereoscopic display is a fundamental part of virtual reality systems
such as the virtual workbench, the CAVE and HMD systems. A common
practice in stereoscopic systems is deliberate incorrect modeling of user
eye separation. Under estimating eye separation can help the human visual
system fuse stereo image pairs into single 3D images, while over
estimating eye separation enhances image depth. Unfortunately, false
eye separation modeling also distorts the perceived 3D image in
undesirable ways. We present a novel analytic expression and
quantitative analysis of this distortion for eyes at an arbitrary
location and orientation.
Keywords:
Virtual reality, stereoscopic display, distortion
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