Table 13. Confusion matrix of the proposed FER system with HMM (as a recognition model), instead of using the proposed recognition model (that is MEMM model) using CK+ dataset of facial expressions (Unit: %).

Expressions	Happy	Anger	Sad	Surprise	Fear	Disgust
Happy	93	0	2	3	0	2
Anger	0	95	1	2	1	1
Sad	2	2	92	1	2	1
Surprise	2	2	0	94	2	0
Fear	1	2	2	0	92	3
Disgust	2	2	1	2	3	90
Average	92.66