Table 5.

Overall accuracies of structural class using different approaches in the testing set (%).

Dataset	Author	Structural class				Accuracy
		α	β	α/β	α + β
Liu and Hu [26]	Our work	94.67	91.73	97.33	82.68	92.55
	Liu and Hu [26]	97.04	85.43	94.07	78.21	89.24
Ding and Dubchak [11]	Our work	83.60	88.89	82.52	66.13	81.98
	Liu and Hu [26]	86.89	88.03	83.22	59.68	81.46
	Zhang et al. [20]					79.11
	Chinnasamy et al. [12]					80.52