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IEEE and ACM International Symposium on Augmented Reality (ISAR'01)
Dynamic Virtual Convergence for Video See-through Head-Mounted Displays: Maintaining Maximum Stereo Overlap throughout a Close-Range Work Space
New York, New York
October 29-October 30
ISBN: 0-7695-1375-1
Andrei State, University of North Carolina at Chapel Hill
Jeremy Ackerman, University of North Carolina at Chapel Hill
Gentaro Hirota, University of North Carolina at Chapel Hill
Joohi Lee, University of North Carolina at Chapel Hill
Henry Fuchs, University of North Carolina at Chapel Hill
We present a technique that allows users of video see-through head-mounted displays to work at close range without the typical loss of stereo perception due to reduced nasal side stereo overlap in most of today?s commercial HMDs.
Our technique dynamically selects parts of the imaging frustums acquired by wide-angle head-mounted cameras and re-projects them for the narrower-field-of-view displays. In addition to dynamically maintaining maximum stereo overlap for objects at a heuristically estimated working distance, it also reduces the accommodation-vergence conflict, at the expense of a newly introduced disparity-vergence conflict. We describe the hardware (assembled from commercial components) and software implementation of our system and report on our experience while using this technique within two different AR applications.
Citation:
Andrei State, Jeremy Ackerman, Gentaro Hirota, Joohi Lee, Henry Fuchs, "Dynamic Virtual Convergence for Video See-through Head-Mounted Displays: Maintaining Maximum Stereo Overlap throughout a Close-Range Work Space," isar, pp.137, IEEE and ACM International Symposium on Augmented Reality (ISAR'01), 2001
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