Research Article
Regularized Fractional Power Parameters for Image Denoising Based on Convex Solution of Fractional Heat Equation
Table 1
PSNR of denoised images with different Gaussian noise values.
| PSNR | Noisy image | Gaussian smoothing | Wiener filter
| FHD |
| Image | Grayscale “Lena” | | | 24.65 | 28.25 | 29.87 | 31.72 | | 22.15 | 25.92 | 29.62 | 30.03 | | 20.25 | 24.02 | 27.65 | 28.59 |
| Image | Grayscale “Taj” | | | 24.81 | 28.43 | 30.28 | 30.35 | | 22.35 | 26.01 | 28.78 | 29.04 | | 20.48 | 24.16 | 27.24 | 27.85 |
| Image | Grayscale “Boat” | | | 24.67 | 28.36 | 30.77 | 31.20 | | 22.20 | 25.93 | 28.40 | 29.70 | | 20.30 | 24.03 | 27.56 | 28.40 |
| Image | Color “Pepper” | | | 24.79 | 28.51 | 28.57 | 28.88 | | 22.36 | 26.08 | 27.72 | 27.99 | | 20.48 | 24.17 | 26.79 | 27.06 |
| Image | Color “House” | | | 24.68 | 28.34 | 30.63 | 31.18 | | 22.21 | 25.92 | 29.98 | 29.73 | | 20.32 | 24.02 | 28.24 | 28.36 |
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