Human Activity Recognition Using Gaussian Mixture Hidden Conditional Random Fields

Table 4

Confusion matrix of the proposed recognition model using IXMAS action dataset (unit: %).

Activities	CA	SD	GU	TA	Walk	Wave	Punch	Kick
CA	97	0	0	1	2	0	0	0
SD	0	99	1	0	0	0	0	0
GU	1	2	94	3	0	0	0	0
TA	0	0	1	95	2	1	1	0
Walk	0	1	1	0	98	0	0	0
Wave	0	0	2	0	1	97	0	0
Punch	0	1	0	1	0	2	96	0
Kick	0	0	0	0	1	0	0	99
Average	96.88

CA: cross arm, SD: sit down, GU: get up, and TA: turn around.