Research Article
Automated Analysis of Facial Cues from Videos as a Potential Method for Differentiating Stress and Boredom of Players in Games
Table 4
Percentage of change of features from period
to
in the Platformer game (
).
| Feature (notation) | Mean | Min. | Max. |
| Mouth outer () | −7.4 | −54.0 | 16.9 | Mouth corner () | −8.2 | −55.9 | 15.5 |
| Eye area () | −6.8 | −30.4 | 20.0 | Eyebrow activity () | −4.9 | −31.1 | 7.8 |
| Face area () | −5.9 | −43.8 | 14.2 | Face motion () | 0.9 | −60.2 | 112.7 | Facial COM () | −3.6 | −42.1 | 23.1 |
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