Table 7 Classification report for the ML facial expression recognition model evaluated on the ‘medium-position’ data.
From: Towards smart glasses for facial expression recognition using OMG and machine learning
Expression type | Precision | Recall | f1-score |
|---|---|---|---|
Neutral | 0.96 | 0.96 | 0.96 |
Smile | 0.94 | 0.92 | 0.93 |
Frown | 0.85 | 0.73 | 0.78 |
Eyebrow raise | 0.84 | 0.88 | 0.86 |
Squeezed eyes | 0.78 | 0.86 | 0.82 |
Accuracy | 0.92 | ||
Macro average | 0.87 | 0.87 | 0.87 |
