Table 2 Classification report for the ML facial expression recognition model evaluated on the low-intensity facial expressions.
From: Towards smart glasses for facial expression recognition using OMG and machine learning
Expression type | Precision | Recall | f1-score |
|---|---|---|---|
Neutral | 0.95 | 0.96 | 0.96 |
Smile | 0.87 | 0.93 | 0.90 |
Frown | 0.83 | 0.82 | 0.82 |
Eyebrow raise | 0.90 | 0.89 | 0.89 |
Squeezed eyes | 0.88 | 0.81 | 0.84 |
Accuracy | 0.92 | ||
Macro average | 0.89 | 0.88 | 0.88 |
