Table 2 Analysis of performance indexes of different enhancement methods
From: Localized fading feature extraction method of ancient ceramic decoration
Method type | Enhanced indicators | |||
|---|---|---|---|---|
PSNR | SSIM | RMSE | IFC | |
Method of this paper | 21.82 | 0.98 | 8.54 | 0.53 |
Two-dimensional adaptive gamma correction | 18.91 | 0.90 | 9.40 | 0.57 |
Fourier transform homomorphic filtering | 14.43 | 0.87 | 15.05 | 0.60 |
Nonlocal mean filtering | 21.40 | 0.85 | 6.16 | 0.74 |