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