Table 13.

Classification rates (CR, %) of different features in [80].

Features	All Sensors	Sensors 2–4	Sensors 2 and 3	Sensors 2 and 4	Sensors 3 and 4
Maximum value	72.95	75.72	75.22	74.9	74.83
Rise time	75.5	53.43	41.25	34.95	36.18
Fall time	61.88	87.70	85.12	83.17	93.43
DWT	86.32	94.67	95.07	94.70	94.90
FFT	84.70	92.17	92.05	92.02	91.97
WTS	89.40	92.92	92.54	92.02	93.20
SITO-WTS a	–	–	–	–	94.52
SITO-MWTS b	–	97.35	96.20	93.30	96.35

^a Considering position 4 of sensor 3, and positions 1 and 2 of sensor; ^b Considering bin 3 of sensors 2 and 4, and bin 10 of sensor 3.