Table 4.

The results per class of the facial gesture recognition system.

Class	Recall	Precision	F1-Score
Class 0	83.71%	78.55%	81.05%
Class 1	86.57%	89.38%	87.95%
Class 2	89.43%	91.92%	90.66%
Class 3	97.12%	92.84%	94.93%
Class 4	83.52%	86.86%	85.15%
Class 5	88.57%	95.68%	91.99%

Class 0 refers to neutral face, class 1 to eyebrow elevation, class 2 to eye closure, class 3 to wide-open smile, class 4 to closed mouth smile, and class 5 to pucker.