Table 6 Classification report for the ML facial expression recognition model evaluated on the ‘low-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 | 0.91 | 0.94 | 0.92 |
Frown | 0.88 | 0.72 | 0.79 |
Eyebrow raise | 0.89 | 0.89 | 0.89 |
Squeezed eyes | 0.79 | 0.87 | 0.83 |
Accuracy | 0.92 | ||
Macro average | 0.89 | 0.88 | 0.88 |