Table 5 Comparison of the image quantity (PSNR values) for different values (increase and decrease) in shape parameter c with the optimal value of shape parameter c of the proposed method M3 for real and artificial images
Image | Size | Optimal value c | PSNR | Increase c | PSNR | Decrease c | PSNR |
|---|---|---|---|---|---|---|---|
Lena | 4002 | 1.69 | 26.01 | 1.78 | 25.57 | 1.61 | 25.29 |
SynImage1 | 4002 | 1.76 | 29.87 | 1.84 | 29.63 | 1.68 | 29.37 |