Action Unit 2 Face recognition 2 Facial action Action representations 1 Basic emotions 1 Computer games 1 Contrastive learning 1 Convolution neural network 1 Emotion recognition 1 F1 scores 1 Facial Expressions 1 Facial action unit 1 Facial action unit recognition 1 Facial emotions 1 Facial expression recognition 1 Human computer interaction 1 Learn+ 1 Machine learning 1 Network architecture 1 Predictive coding 1 Representation learning 1 Self-supervised learning 1 Temporal predictive coding 1 article 1 contrastive learning 1 convolution neural network 1 face 1 facial action unit 1 facial action unit recognition 1 facial expression 1