Facial Expression Detection

https://github.com/MauryaRitesh/Facial-Expression-Detection

https://github.com/valterlucena/facial-expression-detector

deepface:

https://github.com/serengil/deepface

cnn based facial expression recognizer:

https://github.com/WuJie1010/Facial-Expression-Recognition.Pytorch/issues

predict human emotion:

https://github.com/thoughtworksarts/EmoPy

facial expression recognization:

https://github.com/phamquiluan/ResidualMaskingNetwork

smile detection using opencv:

https://www.geeksforgeeks.org/python-smile-detection-using-opencv/