Vernon Chi

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This paper presents our eorts to accurately track a Head-Mounted Display (HMD) in a large environment. We review our current benchtop prototype (introduced in WCF90]), then describe our plans for building the full-scale system. Both systems use an inside-out optical tracking scheme, where lateral-eeect photodiodes mounted on the user's helmet view ashing(More)
In this paper, a new optical system for real-time, three-dimensional position tracking is described. This system adopts an "inside-out" tracking paradigm. The working environment is a room where the ceiling is lined with a regular pattern of infrared LEDs flashing under the system's control. Three cameras are mounted on a helmet which the user wears. Each(More)
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