Sensor Type, Axis, and Position-Based Fusion and Feature Selection for Multimodal Human Daily Activity Recognition in Wearable Body Sensor Networks

Table 10

Comparison between accuracies attained using single axis and triple axes for gyroscope and electromyography signals with sequential forward floating feature selection.

Sensor type and position	DT	SVM	RF	k-NN	Number of features
G_lt_y	88.10	85.20	88.70	87.80	8
EMG	78.00	80.30	84.30	70.10	11
G_lt_y + EMG	90.11	91.78	94.91	75.23	18
G_lt_all	89%	90.10	94.40	82.90	26
G_lt_all + EMG	93.13	92.83	97.60	76.32	32