Table 2 The average PSNR (dB) of each \(k\). on the general images
From: Reversible data hiding based on histogram and prediction error for sharing secret data
Image | \(k{ } = { }3\) | \(k{ } = { }4\) | \(k{ } = { }5\) | \(k{ } = { }6\) |
|---|---|---|---|---|
Aerial | 48.97 | 49.01 | 49.12 | 48.86 |
Airplane | 51.90 | 49.02 | 49.06 | 48.95 |
Pepper | 49.05 | 49.04 | 49.02 | 49.01 |
Male | 49.07 | 49.03 | 49.05 | 49.06 |
Truck | 51.28 | 50.99 | 51.19 | 51.04 |
Couple | 50.45 | 50.16 | 50.08 | 50.14 |
Airport | 49.20 | 49.19 | 49.15 | 49.21 |
Tank | 47.67 | 47.56 | 47.48 | Â |
APC | 48.16 | 48.15 | 48.13 | Â |
Fishing boat | 49.06 | 48.99 | 49.01 | 48.89 |