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) MeanMin.Max.

Mouth outer ()−7.4−54.016.9
Mouth corner ()−8.2−55.915.5

Eye area ()−6.8−30.420.0
Eyebrow activity ()−4.9−31.17.8

Face area ()−5.9−43.814.2
Face motion ()0.9−60.2112.7
Facial COM ()−3.6−42.123.1