Detecting COVID-19 Pneumonia over Fuzzy Image Enhancement on Computed Tomography Images

Table 1

Comparison of different approaches for objective performance measures.

Approaches	Entropy	PSNR	Contrast index
Pal-King	4.41	19.27 dB	0.47
Modified Pal-King	4.62	21.36 dB	0.69
Reshmalakshmi	5.24	12.62 dB	1.12
Patel	5.47	13.35 dB	1.63
Proposed approach	5.61	14.86 dB	1.84