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 |
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