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. 2018 Apr 26;18(5):1350. doi: 10.3390/s18051350

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© 2018 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 (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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FARSEEING plots of some falls depicting the magnitude of the acceleration during a fall; 400 samples in 4 s. From left to right and top to bottom: F1, F2, F3, F4, F5, F6, F7 and F8. F3 shows a peak below $3 \times$ g. In all the cases, the sensor is located on the lower back. (a) F1: backward fall, 3DACC $\in [0.0, 3.5] \times$ g. (b) F2: forward fall, 3DACC $\in [0.0, 3.5] \times$ g. (c) F3: forward fall, 3DACC $\in [0.0, 3.0] \times$ g. (d) F4: forward fall, 3DACC $\in [0.0, 5.2] \times$ g. (e) F5: forward fall, 3DACC $\in [0.0, 5.2] \times$ g. (f) F6: backward fall, 3DACC $\in [0.0, 3.6] \times$ g. (g) F7: backward fall, 3DACC $\in [0.0, 3.6] \times$ g. (h) F8: unknown direction, 3DACC $\in [0.0, 3.3] \times$ g.