Table 1 Comparison of the various steganographic methods
From: High-capacity reversible image steganography based on pixel value ordering
| Â | LSB [2] | PVD [3] | PVD+LSB [4] | HS [5] | PEHS [11] | PVO [13] |
|---|---|---|---|---|---|---|
Data hiding approach | Lossy | Lossless | ||||
Embedded capacity (the ratio of EC divided by the image size) | 262,144 (1) | 409,807 (1.56) | 818,538 (3.12) | 2716 (0.01) | 77,479 (0.3) | 31,523 (0.12) |
PSNR | 51.14 | 41.16 | 38.68 | 51.06 | 41.05 | 52.63 |
Extra information embedding | No | No | No | Yes | Yes | Yes |
Security analysis | RS, x2 | Step effect in the PVD histogram | Special feature of the histogram | |||