Dilemma and Solution of Traditional Feature Extraction Methods Based on Inertial Sensors

Table 4

Classification accuracy of 12 activities on four combinations of frequency-domain features, time-domain features, and custom features over SVM.

	1 (%)	2 (%)	1, 2 (%)	1, 3 (%)
First experiment	89.67	83.93	90.46	92.21
Second experiment	90.52	84.11	90.80	92.17
Third experiment	89.78	83.07	91.27	91.94
Fourth experiment	89.34	83.50	90.62	92.61
Fifth experiment	89.29	83.93	90.21	92.25