. 2015 Dec 21;15(12):32168–32187. doi: 10.3390/s151229912
© 2015 by the authors; licensee MDPI, Basel, Switzerland.
This article is an open access article distributed under the terms and conditions of the Creative Commons by Attribution (CC-BY) license (http://creativecommons.org/licenses/by/4.0/).
Figure 7.
Average error for the x-coordinate.