Table 2.

Data set information.

Clinical State	Number of Instances
	Training Set without Augmentation	Training Set with Augmentation	Validation Set	Testing Set
Normal	2456	22,104	1024	614
Other pneumonia	2456	22,104	1024	614
COVID-19+	2456	22,104	1024	614
Total	7368	66,312	3072	1842