Various Techniques for Facial Detection and Expression Classification
Keywords:FACE DETECTION, FEATURE EXTRACTION, CLASSIFICATION, EXPRESSION RECOGNITION,FACIAL DATABASES
— The facial expression is important in social interaction and social intelligence. Automatic recognition of
facial expression is most important component in human-machine interface. This field contains various applications like
user authentication, person identification, video surveillance, information security, data privacy etc. This paper includes
the survey of various facial detection and expression recognition techniques.