[Retracted] Facial Expression Recognition Based on Convolutional Neural Network Fusion SIFT Features of Mobile Virtual Reality

Table 4

The recognition accuracy of the improved CNN model.

Category accuracy	First experiment	Second experiment	Third experiment	Total
Angry	96.3	88.9	96.3	93.8
Disgust	91.7	91.7	95.8	93.1
Fearful	60	86.7	60	68.9
Happy	100	100	100	100
Sad	86.7	80	86.7	84.5
Surprised	100	100	93.8	97.9
Scorn	83.3	83.3	75	80.5
Neutral	93.3	93.3	93.3	93.3
Total	90.5	91.2	89.8	90.5