Research Article
Perceptually Valid Facial Expressions for Character-Based Applications
Table 6
Fuzzy rules for activating facial
actions.
| AU | Value for fuzzy labels NVH(1) to
PVH(9) |
| Arousal | NVH | NH | NM | NL | Zero | PL | PM | PH | PVH |
| OpenCloseJaw | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 50 | 60 | CloseEyelidTop | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 30 | CloseEyelidBottom | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 25 |
| Valence | NVH | NH | NM | NL | Zero | PL | PM | PH | PVH |
| LowerRaiseBottomLip | 50 | 40 | 30 | 15 | 0 | 0 | 0 | 0 | 0 | StretchMouthCorner | 15 | 10 | 5 | 5 | 0 | 30 | 40 | 50 | 60 | LowerRaiseMouthCorner | 50 | 50 | 40 | 20 | 0 | 20 | 40 | 50 | 50 | CloseEyelidTop | 30 | 25 | 20 | 5 | 0 | 5 | 20 | 25 | 30 | CloseEyelidBottom | 26 | 17 | 8 | 4 | 0 | 2 | 15 | 20 | 25 | LowerRaiseEyebrow | 80 | 70 | 60 | 30 | 0 | 15 | 25 | 35 | 45 |
| Agency | NVH | NH | NM | NL | Zero | PL | PM | PH | PVH |
| OpenCloseJaw | 31 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | StretchMouthCorner | 10 | 10 | 5 | 0 | 0 | 5 | 10 | 15 | 15 | SqueezeEyebrow | 0 | 0 | 0 | 0 | 0 | 35 | 50 | 90 | 90 |
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