Table 8 PSNR value of the restored image “Lena” with optimal values of c and λ is 26.01. Parameter sensitivity analysis for our proposed method M3 by percentage decreased in values of the parameters c and λ, with the resultant percentage increase or decrease in PSNR of the denoised image of size (4002)
Image | 30% (↓) | 60% (↓) | ||||
|---|---|---|---|---|---|---|
c | λ | PSNR | c | λ | PSNR | |
Lena | 1.18 | 10.85 | 2.57 (↓) | 0.68 | 6.20 | 4.81 (↓) |