Table 3. The SSIM for the proposed approach.
| Images/size/JPEG | SSIM of the proposed approach | ||
|---|---|---|---|
| Single-LSB | Single-Bit2SB | Single-Bit3SB | |
| Thr/472*499, 21.9 KB | 0.996973577 | 0.991946693 | 0.945857695 |
| AA/459*442, 21.9 KB | 0.997807567 | 0.994891188 | 0.959116353 |
| AB/512*512, 22 KB | 0.999295797 | 0.997930044 | 0.987737559 |
| AC/512*512, 340 KB | 0.999673577 | 0.999171438 | 0.993768634 |
| Flu/348*288, 26 KB | 0.999867319 | 0.999476348 | 0.997853068 |
| Gastro/640*480, 47.1 KB | 0.997975423 | 0.993904738 | 0.961204255 |