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

Table 5

Performance comparison of unsupervised learning algorithms.

Algorithm	Kappa	F measure	Inference time (ms)
GSOM	0.882	0.896	0.527
PGSOM (ours)	0.897	0.902	0.262
k-means	0.611	0.613	4.101
GMM	0.852	0.873	9.033
Hierarchical cluster	0.802	0.786	4.371
DBSCAN	0.778	0.808	4.205