Table 4. The collected datasets of the normal, COVID-19 and pneumonia X-ray images before and after the augmentation process.

Dataset-2
CXRVN-architecture	Scenario 1 without augmentation (%)	Scenario 2 augmentation using GAN (%)
Sensitivity	97.83	98.91
Specificity	95.56	96.24
Precision	95.74	96.38
Accuracy	96.70	97.58
F1score	96.77	97.63
Average	96.52	97.35