Research Article
Automated Analysis of Facial Cues from Videos as a Potential Method for Differentiating Stress and Boredom of Players in Games
Table 3
Percentage of change of features from period
to
in the Mushroom game (
).
| Feature (notation) | Mean | Min. | Max. |
| Mouth outer () | −12.9 | −69.1 | 22.1 | Mouth corner () | −15.0 | −71.6 | 15.5 |
| Eye area () | −8.9 | −76.9 | 8.2 | Eyebrow activity () | −8.0 | −72.3 | 9.6 |
| Face area () | −11.3 | −74.5 | 18.2 | Face motion () | 47.2 | −61.3 | 253.8 | Facial COM () | −12.9 | −81.0 | 9.8 |
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