Table 3 The average PSNR (dB) of each \(k\) on the medical images
From: Reversible data hiding based on histogram and prediction error for sharing secret data
Image | \(k{ } = { }3\). | \(k = 4\) | \(k = 5\) | \(k = 6\) |
|---|---|---|---|---|
Hand | 53.36 | 53.56 | 53.26 | 53.24 |
Chest | 53.55 | 53.63 | 53.53 | 53.64 |
Head | 51.54 | 51.35 | 51.56 | 51.52 |
Leg | 52.65 | 52.70 | 52.56 | 52.23 |
Abdominal | 54.21 | 51.92 | 51.76 | 51.89 |
Left Lower Leg | 53.25 | 53.19 | 53.16 | 53,.05 |
Lateral Neck | 51.28 | 51.18 | 51.23 | 51.17 |
Right Knee | 52.77 | 52.56 | 52.18 | 52.66 |
Left Wrist | 53.15 | 53.18 | 53.09 | 53.05 |
Pelvis | 54.32 | 54.16 | 54.17 | 54.11 |