Table 5.

Accuracy comparison on the test set.

Model	Method	Accuracy(%)	Macro-F1(%)	Time(s)
SVM	V-I	38.1	34.44	29.71
	Ours	76.45	75.15	17.87
AlexNet-DS	V-I	92.28	92.4	36.29
	Ours	99.65	99.63	18.29
AlexNet	V-I	93.31	93.41	45.16
	Ours	99.67	99.67	25.78