Evaluation of realtime people tracking for indoor environments using ubiquitous motion sensors and limited wireless network infrastructure |
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Authors: | Matthew D’Souza Tim Wark Mohanraj Karunanithi Montserrat Ros |
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Affiliation: | 1. CSIRO ICT Centre, Brisbane, Australia;2. Australian E-Health Research Centre, Brisbane, Australia;3. University of Wollongong, Wollongong, Australia |
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Abstract: | We present the development and evaluation of a realtime indoor localisation system for tracking people. Our aim was to track a person’s indoor position using dead-reckoning, while limiting position error without depending on extensive wireless network infrastructure. The Indoor People Tracker used wearable motion sensors, a floor-plan map and a limited wireless sensor network for proximity ranging. We evaluated how the position accuracy of the Indoor People Tracker was affected by floor-plan map features, wireless proximity range and motion information. The advantage of the Indoor People Tracker was found; it was able to achieve accurate position resolution with minimal error, while not depending on wireless proximity. |
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