Table 6.

Recognition rate based on MMI.

Study		Bougourzi et al. [26]	Makhmudkhujaev et al. [48]	Ji et al. [49]	Mandal et al. [17]	Proposed algorithm
Method		PCA-fusion	LDDP	ICID	RADAP	LBP + ORB
Validation setting		10-fold	—	—	10-fold	10-fold
Accuracy (%)	SD	—	—	—	86.6	84.2
	SI	73.57	70.63	76.3	58.98	79.8