Table 12.

Comparision of the proposed methodology with state-of-the-art methods.

Work	Classification	Time (in seconds)	Overall Acc. (%)	Sens. (%)	Spec. (%)	Pre. (%)	F1-Score (%)
MobileNet [31]	Binary class	–	96.78	98.66	96.46	–	–
Stacked Multi-Resolution CovXNet [34]	Binary class	–	97.4	97.8	94.7	96.3	97.1
DarkCovidNet (CNN) [23]	Binary class	<1 s	98.08	95.13	95.3	98.03	96.51
	3-class	<1 s	87.02	85.35	92.18	89.96	87.37
CoroNet [15]	Binary class		99	99.3	98.6	98.3	98.5
	3-class		95	96.9	97.5	95	95.6
	4-class		89.6	89.92	96.4	90	89.8
Proposed Approach	Binary class	0.137	99.81	98.45	99.90	98.45	98.45
	3-class		95.66	96.40	97.30	94.27	95.22
	4-class		76.46	85.66	92.38	80.92	80.86