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VIS-Tracker: A Wearable Vision-Inertial Self-Tracker

Authors: Eric Foxlin and Leonid Naimark, InterSense Incorporated
Presented: IEEE Virtual Reality 2003 (VR2003), March 22-26, 2003, Los Angeles, CA

Abstract

We present a demonstrated and commercially viable self-tracker, using robust software that fuses data from inertial and vision sensors. Compared to infrastructure based trackers, self-trackers have the advantage that objects can be tracked over an extremely wide area,without the prohibitive cost of an extensive network of sensors or emitters to track them. So far most AR research has focused on the long-term goal of a purely vision-based tracker that can operate in arbitrary unprepared environments, even outdoors. We instead chose to start with artificial fiducials, in order to quickly develop the first self-tracker which is small enough to wear on a belt, low cost, easy to install and self-calibrate, and low enough latency to achieve AR registration. We also present a roadmap for how we plan to migrate from artificial fiducials to natural ones. By designing to the requirements of AR, our system can easily handle the less challenging applications of wearable VR systems and robot navigation.

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