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WearTrack: A Self-Referenced Head and Hand Tracker for Wearable Computers and Portable VRs

Authors: Eric Foxlin and Michael Harrington, InterSense Incorporated
Presented: International Symposium on Wearable Computers (ISWC 2000), October 16-18, 2000, Atlanta, GA

Abstract

This paper presents a new tracking technique which isessentially “sourceless” in that it can be used anywhere with no set-up, yet it enables a much wider range of virtual environment-style navigation and interaction techniquesthan does a simple head-orientation tracker. The new system is based on the very simple idea of combining asourceless head orientation tracker with a head-worn tracking device that tracks a hand-mounted 3D beacon relative to the head. Because the seen graphical representation of the pointer accurately matches the felthand position despite any errors in the orientation tracker,the system encourages use of intuitive interaction techniques which exploit proprioception. We describe a prototype of the tracking system, and discuss and demonstrate its application in a portable VR system and in a wearable computer user interface.

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