AffectNet is by far the largest database of facial expression, valence, and arousal in the wild enabling research in automated facial expression recognition in two different emotion models.
Ranked #16 on Facial Expression Recognition on AffectNet
In fact, the Internet is a Word Wild Web of facial images with expressions.
Active Appearance Model (AAM) is a commonly used method for facial image analysis with applications in face identification and facial expression recognition.
Despite efforts made in developing various methods for FER, existing approaches traditionally lack generalizability when applied to unseen images or those that are captured in wild setting.