Table 2 The Ra values of results for Lena test image and different noise levels (σ n ) of (A) clean image, (B) noisy image, (C) system in [5], and (D) proposed system.
Lena | (A) | (B) | (C) | (D) |
|---|---|---|---|---|
| 2373 | 39.47 | 114.69 | 135.1 |
| 2373 | 9.87 | 136.48 | 218.46 |
| 2373 | 2.70 | 232.24 | 345.12 |
