Literature Survey on Facial Expression Recognition Techniques

Now-a-days, Emotion recognition is a significant area in computer vision. It is computerized software that helps to identify human feelings such as Happiness, Anger, Sadness, Fear, Disgust, and Surprise. Moreover, emotion Recognition has its foothold on public places. Examples of human emotions on public place like severe argument between two persons, driving vehicle with anger and so on. By understanding emotion of the person, able to prevent any gruesome act or danger. In this paper, various techniques and databases used in recent papers are discussed for facial expression recognition. Many researchers are interested to do research in facial expression. Because by the Quote "One person could be judged by their reactions not by actions". Like that, person's mood can be easily identified by their emotions rather than their words.