A Review of Human Emotion Recognition

Abstract

A research has been introduced to add on Human Computer Interaction (HCI) over the decades. Emotions are due to any activity in brain and identified through face, as face has maximum sense organs. Facial expression is an important medium for human communication and it can be applied in many real time applications. Between Verbal and Non-Verbal form of communication facial expression is a non-verbal communication. It express human thinking, feelings and his or her current mental situation. This paper aims to introduce the literature review of facial emotion recognition by extracting emotional features using various transforms or with the help of fiducial points on facial image along with various classifiers. It includes introduction of facial emotion recognition system, a comparative study of facial expression recognition techniques. The comparison with the state-of-the-art performance on the CK+, JAFFE database, FER 2013, self-generated subjects and its percentage accuracy.