An Easily Customized Gesture Recognizer for Assisted Living Using Commodity Mobile Devices

Table 3

Geometric method: confusion matrix.

Geometric	hh	hu	hud	ud	hh2	hu2
hh	49			1
hu		43	4			3
hud		1	46	5		1
ud			2	42
hh2					52	1
hu2		1	1			46