This is still a work-in-progress, but you can try the demo of our Facial Emotion Recognizer based on Convolutional Neural Networks and Learning from Constraints!

>> ONLINE DEMO <<

References:

Lisa Graziani, Stefano Melacci, Marco Gori. The Role of Coherence in Facial Expression Recognition. International Conference of the Italian Association for Artificial Intelligence (AI*IA), 2018