Table 2.

The comparison of model parameters and performance with VDSR and DRIDSR for scale factor ×4 in COVID-19 test dataset.

Methods	Parameters (M)	Layers	PSNR	SSIM	Time (s)
VDSR [14]	0.67	20	30.30	0.8343	0.0825
IMDN [2]	0.71	34	31.41	0.8348	0.0638
PAN [41]	0.27	60	31.33	0.8360	0.0427
DRIDSR	0.52	32	31.89	0.8370	0.0548