GVU Technical Report Number:
GIT-GVU-93-02
Title:
Geometric Considerations for Stereoscopic Virtual Environments
Authors:
Larry F. Hodges
Elizabeth Thorpe Davis
Abstract:
We examine the relationship between the different geometries implicit in
a stereoscopic virtual environment. In particular, we examine in detail
the relationship of retinal disparity, fixation point, binocular visual
direction, and screen parallax. We introduce the concept of a volumetric
spatial unit called a stereoscopic voxel. Due to the shape of
stereoscopic voxels, apparent depth of points in space may be affected by
their horizontal placement.
Keywords:
Stereoscopic virtual environments, screen parallax, stereoscopic voxel
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