Facial expression recognition techniques: a comprehensive survey

Over the past decades, facial expression recognition (FER) has become an interesting research area and achieved substantial progress in computer vision. FER is to detect human emotional state related to biometric traits. Developing a machine based human FER system is a quite challenging task. Variou...

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Bibliographic Details
Main Authors: Saranya Rajan, Poongodi Chenniappan, Somasundaram Devaraj, Nirmala Madian
Format: Article
Language:English
Published: Wiley 2019-05-01
Series:IET Image Processing
Subjects:
Online Access:https://doi.org/10.1049/iet-ipr.2018.6647