| Roughness | Rough-ref | Spec | Spec-ref |
Pre-Net | 0.278 | 0.175 | 0.347 | 0.275 |
SAPre-Net | 0.236 | 0.175 | 0.316 | 0.275 |
DISAPre-Net | 0.198 | 0.175 | 0.300 | 0.275 |