TABLE 6.

The comparative test results (with standard deviation) in four-class classification task.

Algorithms	Accuracy	Sensitivity	Specificity	Precision	F1-score	G-mean
LD	77.67	79.69	77.51	78.40	77.50	78.59
	(2.22)	(1.51)	(2.15)	(2.52)	(2.08)	(1.80)
LR	78.56	79.60	78.47	78.59	78.23	79.03
	(1.89)	(2.51)	(1.60)	(2.74)	(1.43)	(2.01)
SRC	79.40	79.77	79.06	80.25	79.15	79.41
	(2.13)	(2.33)	(2.68)	(1.44)	(2.32)	(2.50)
LC-KSVD	81.25	81.77	81.34	80.87	81.55	81.55
	(2.40)	(2.19)	(1.59)	(2.36)	(2.08)	(1.86)
FDDL	81.45	81.06	80.02	80.67	80.69	80.54
	(1.33)	(2.00)	(2.09)	(2.73)	(1.25)	(2.05)
SRDML	83.13	82.10	82.94	83.56	83.17	82.52
	(2.06)	(2.26)	(2.04)	(1.49)	(1.99)	(2.15)
LMLS-SRC	85.54	86.19	84.51	86.15	85.97	85.34
	(1.59)	(2.03)	(2.12)	(1.63)	(1.06)	(2.07)