Facial expressions analysis is a vital part of the research in human-machine interaction. This
chapter introduces an automatic recognition system for facial expression from a front view …

Facial expression recognition is a useful feature in modern human computer interaction
(HCI). In order to build efficient and reliable recognition systems, face detection, feature …

Facial sentiment analysis has been an enthusiastic research area for the last two decades. A
fair amount of work has been done by researchers in this field due to its utility in numerous …

A complete emotional expression typically contains a complex temporal course in face-to-
face natural conversation. To address this problem, a bimodal hidden Markov model (HMM) …

Emotion recognition and facial action unit (AU) detection are the most two prevalent tasks in
facial expression analysis. Since the two tasks are highly correlated, in this paper, we …

Facial expression analysis is rapidly becoming an area of intense interest in computer
science and human-computer interaction design communities. The most expressive way …

Automatic facial expression recognition is a challenging problem in computer vision, and
has gained significant importance in the applications of human-computer interactions. The …

Emotions have a great significance in human-to-human and in human-to-computer
communication and interaction. In this paper, an effective and novel approach to recognize …

Facial action unit (AU) recognition has attracted increasing attention due to its indispensable
role in affective computing, especially in the field of affective human-computer interaction …

Person independent and pose invariant estimations of facial expressions and action unit
(AU) intensity estimation are important for situation analysis and for automated video …