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. 2012 Dec 7;12(12):16920–16936. doi: 10.3390/s121216920

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© 2012 by the authors; licensee MDPI, Basel, Switzerland

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Figure 7. — The ground truth and recognition results of five users spending 4–5 minutes in the detection area. Different colors show different activities.