Table 2.

Recognition rate based on JAFFE.

Study		Bougourzi et al. [26]	Mandal et al. [17]	Tong and Chen [47]	Proposed algorithm
Method		PCA-fusion	RADAP	LDDSCP	LBP + ORB
Validation setting		10-fold	10-fold	10-fold	10-fold
Accuracy (%)	SD	—	90.5	—	92.4
	SI	73.24	55.71	87.6	88.5