Pruning Growing Self-Organizing Map Network for Human Physical Activity Identification

Table 4

Training performance of different SOM models

Model	Hyperparameter	Accuracy (%)	Inference time (ms)	Number of neurons
SOM	20  20	79.269	0.071	400
	25  25	84.405	0.110	625
	30  30	87.596	0.261	900
GSOM	SF = 0.75	87.713	0.294	1044
	SF = 0.80	88.027	0.315	1155
	SF = 0.85	88.272	0.527	1254
PGSOM (ours)	SF = 0.75, RF = 1.25	88.644	0.127	731
	SF = 0.75, RF = 1.50	88.994	0.161	797.1
	SF = 0.80, RF = 1.25	89.401	0.265	864
	SF = 0.80, RF = 1.50	90.120	0.262	856.1
	SF = 0.85, RF = 1.25	89.809	0.261	864
	SF = 0.85, RF = 1.50	89.762	0.283	929