Table 4.

Confusion matrices of a conventional attention network (ResNet18 + Nonlocal block) and the proposed attention induction network

	Prediction
	Class 1	Class 2	Class 3	Class 4
(a) ResNet18 + nonlocal block
True
Class 1	57	17	2	4
Class 2	24	35	6	15
Class 3	4	14	5	5
Class 4	4	8	1	46
(b) Proposed attention induction network($\alpha =175$)
True
Class 1	63	11	3	3
Class 2	15	46	5	14
Class 3	3	11	8	6
Class 4	4	8	2	45