Table 4 Classification report for the ML facial expression recognition model evaluated on the facial expressions performed in a still scenario.
From: Towards smart glasses for facial expression recognition using OMG and machine learning
Expression type | Precision | Recall | f1-score |
|---|---|---|---|
Neutral | 0.96 | 0.98 | 0.97 |
Smile | 0.93 | 0.91 | 0.92 |
Frown | 0.97 | 0.89 | 0.93 |
Eyebrow raise | 0.92 | 0.93 | 0.93 |
Squeezed eyes | 0.92 | 0.94 | 0.93 |
Accuracy | 0.95 | ||
Macro average | 0.94 | 0.93 | 0.93 |