Table 8. Confusion matrix of the proposed FER system that is trained on JAFFE dataset and tested on CK+, MUG, USTC-NVIE, IMFDB, and AFEW datasets of facial expressions (Unit: %).

Expressions	Happy	Anger	Sad	Surprise	Fear	Disgust
Happy	82	4	5	2	4	3
Anger	2	85	3	2	5	3
Sad	5	5	81	3	4	3
Surprise	3	2	2	87	2	4
Fear	5	2	3	2	86	2
Disgust	4	2	3	5	3	83
Average	84.00