From: Image Variational Denoising Using Gradient Fidelity on Curvelet Shrinkage
Noise standard | Noisy image | Curvelet shrinkage method | "TV" Model | "TVGF" Model | Proposed model | |||||
---|---|---|---|---|---|---|---|---|---|---|
deviation | SNR (dB) | MSSIM | SNR (dB) | MSSIM | SNR (dB) | MSSIM | SNR (dB) | MSSIM | SNR (dB) | MSSIM |
20 | 8.73 | 0.48 | 12.05 | 0.77 | 12.74 | 0.77 (2032) | 11.39 | 0.72 (724) | 13.15 | 0.81 (427) |
25 | 6.79 | 0.40 | 11.42 | 0.74 | 11.83 | 0.72 (2634) | 11.05 | 0.68 (836) | 12.26 | 0.78 (567) |
30 | 5.21 | 0.34 | 11.02 | 0.71 | 11.17 | 0.69 (3000) | 10.69 | 0.64 (894) | 11.64 | 0.75 (687) |
35 | 3.91 | 0.30 | 10.72 | 0.70 | 10.63 | 0.65 (3000) | 10.32 | 0.60 (936) | 11.19 | 0.73 (783) |
40 | 2.71 | 0.26 | 10.45 | 0.68 | 10.12 | 0.61 (3000) | 9.93 | 0.56 (953) | 10. 81 | 0.70 (928) |