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

Table 8

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

Sensor type and position	DT	SVM	RF	k-NN	Number of features
A_lt_x	89.80	91.50	91.67	82	7
EMG	78.00	80.30	84.30	70.10	11
A_lt_x + EMG	88.91	87.65	94.52	70.22	16
A_lt_all	94.20	95.10	96.20	85.10	23
A_lt_all + EMG	95.65	95.01	98.22	85.83	30