Research Article
An Improved Bidirectional Shift-Based Reversible Data Hiding Scheme Using Double-Way Prediction Strategy
Table 3
Experimental results for eight medical images (
TH = 2,
= 2).
| Images
(512 × 512) | Payload (bits)
Increasing rate | PSNR of the stego image (dB)
Decreasing rate | ER (bpp: bits per pixel) |
| | Mpic1 | 1021589
95.6% | 36.1
13.5% | 3.90 |
| | Mpic2 | 1017817
94.9% | 35.9
13.8% | 3.89 |
| | Mpic3 | 1020413
95.4% | 36.0
13.6% | 3.42 |
| | Mpic4 | 1021301
95.6% | 36.1
13.5% | 3.91 |
| | Mpic5 | 1021235
95.6% | 36.0
13.6% | 3.90 |
| | Mpic6 | 1021455
95.6% | 34.1
13.5% | 3.9 |
| | Mpic7 | 1021575
95.7% | 34.1
13.4% | 3.90 |
| | Mpic8 | 1010503
93.5% | 33.8
14.4% | 3.85 |
|
|
