Table 5 Classification report for the ML facial expression recognition model evaluated on the facial expressions performed with head movement.

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

Expression type

Precision

Recall

f1-score

Neutral

0.94

0.96

0.95

Smile

0.92

0.88

0.9

Frown

0.93

0.80

0.86

Eyebrow raise

0.90

0.89

0.89

Squeezed eyes

0.87

0.92

0.90

Accuracy

  

0.92

Macro average

0.91

0.89

0.90