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

Table 9

Comparison between accuracies attained using single axis and triple axes for gyroscope and electromyography signals without using feature selection.

Sensor type and position	DT	SVM	RF	k-NN	Number of features
G_lt_y	85.80	83.90	86.80	66.90	14
EMG	76.90	78.90	79.20	66.20	14
G_lt_y + EMG	88.60	90.41	93.11	72.96	28
G_lt_all	87.90	88.60	92.50	81.20	56
G_lt_all + EMG	90.27	90.83	95.41	73.10	70