Fast COVID-19 Detection from Chest X-Ray Images Using DCT Compression

Table 5

Estimated performance metrics for the 3-set classification.

	Normal	COVID-19	Pneumonia	Average
Accuracy (%)	95	96	94	95
Precision (%)	94	97	92	94
Recall (%)	93	97	96	95
F1-score (%)	96	92	93	93

For the binary classification of COVID-19 and pneumonia (M = 2 and i = 1, 2), the estimated metrics are tabulated in Table 6.