Table 2. The mean square error of the proposed approach.
| Images/size/JPEG | Mean square error of the proposed approach | ||
|---|---|---|---|
| Single-LSB | Single-Bit2SB | Single-Bit3SB | |
| Thr/472*499, 21.9 KB | 0.171390178 | 0.636176128 | 2.905030939 |
| AA/459*442, 21.9 KB | 0.170218532 | 0.63784765 | 2.877668309 |
| AB/512*512, 22 KB | 0.167069753 | 0.664449056 | 2.700602214 |
| AC/512*512, 340 KB | 0.166893005 | 0.663869222 | 2.703511556 |
| Flu/348*288, 26 KB | 0.167730638 | 0.665400752 | 2.672935957 |
| Gastro/640*480, 47.1 KB | 0.168408203 | 0.649548611 | 2.869375 |
| Thr/472*499, 21.9 KB | 0.171390178 | 0.636176128 | 2.905030939 |