An Efficient Training Algorithm of Restricted Boltzmann Machines
Table 1: Training results for a restricted Boltzmann machine
| Training algorithm | Compress ratio, bit/pixel | Training time, h | MSE | PSNR | PSNR_HVS | SSIM |
| adaptive moment algorithm | 3 | 1.5 | 2345 | 14.7 | 14.9 | 0.401 |
| 1.5 | 1 | 2531 | 14.3 | 14.6 | 0.330 | |
| 0.75 | 0.5 | 2992 | 13.5 | 13.8 | 0.179 | |
| proposed algorithm | 3 | 1 | 376 | 22.5 | 22.6 | 0.794 |
| 1.5 | 1 | 518 | 21.1 | 21.3 | 0.737 | |
| 0.75 | 1 | 722 | 19.7 | 19.9 | 0.650 |