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

Table 2

Facial expression database.

Category	Train database	Test database
Angry	14040	27
Disgust	12220	24
Fearful	7800	15
Happy	14300	28
Sad	8970	15
Surprised	8580	16
Scorn	5460	12
Neutral	8970	15