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Title:Orient-2: a realtime wireless posture tracking system using local orientation estimation
Authors: D.K. Arvind ; Martin Ling ; Alex Young
Date:Jun 2007
Publication Title:Proceedings of the 4th workshop on Embedded networked sensors
Publisher:ACM Press
Publication Type:Conference Paper Publication Status:Published
Page Nos:53-57
DOI:http://doi.acm.org/10.1145/1278972.1278986 ISBN/ISSN:978-1-59593-694-3
Abstract:
A realtime posture tracking system has been developed using a network of compact wireless sensor devices worn by the user. Each device is a complete inertial/magnetic tracking unit which performs in situ orientation estimation based on its own sensor readings, using a complementary quaternion-based filter. Compared to existing systems which transmit raw sensor data to a PC for processing, it is shown that this technique reduces bandwidth requirements by 79% for typical usage. In combination with a time division multiple access scheme, this reduction allows for full-body tracking using 15 devices at a 64Hz update rate through a single 250kbps receiver. The data is applied to a rigid body model of the subject to provide a realtime display, and can be exported for use in major animation packages.
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Bibtex format
@InProceedings{EDI-INF-RR-1187,
author = { D.K. Arvind and Martin Ling and Alex Young },
title = {Orient-2: a realtime wireless posture tracking system using local orientation estimation},
book title = {Proceedings of the 4th workshop on Embedded networked sensors},
publisher = {ACM Press},
year = 2007,
month = {Jun},
pages = {53-57},
doi = {http://doi.acm.org/10.1145/1278972.1278986},
}


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