Table 3 Classification report for the ML facial expression recognition model evaluated on the high-intensity facial expressions.

From: Towards smart glasses for facial expression recognition using OMG and machine learning

Expression type

Precision

Recall

f1-score

Neutral

0.97

0.98

0.97

Smile

0.93

0.9

0.91

Frown

0.95

0.86

0.91

Eyebrow raise

0.90

0.93

0.91

Squeezed eyes

0.88

0.94

0.91

Accuracy

  

0.95

Macro average

0.93

0.92

0.92