|  |  |  | 
| Input Intensity | Edge map | Ground truth range | 
| Input Range | Range synthesis (no BP) | Range synthesis (w BP) | 
|  |  |  | 
| 36.88% of known range | MAR Error: 6.42 | MAR Error: 3.78 | 
|  |  |  | 
| 21.66% of known range | MAR Error: 6.45 | MAR Error: 3.79 | 
|  |  |  | 
| 15.36% of known range | MAR Error: 7.98 | MAR Error: 4.61 |