Multimodal Affective Computing: Affective Information Representation, Modelling, and Analysis

Affective Information Representation

Author(s): ​Gyanendra K. Verma * .

Pp: 13-29 (17)

DOI: 10.2174/9789815124453123010005

* (Excluding Mailing and Handling)


This chapter presents a brief overview of Affective computing and a formal definition of emotion given by various researchers. Human-computer interaction aims to enhance communication between man and machine so that machines can acquire, analyze, interpret and act on par with human beings. At the same time, Affective human-computer interaction focuses on enhancing communication between man and machines using affective information. Moreover, this chapter deals with Human emotional expression and perception through various modalities such as speech, facial expressions, physiological signals, etc. It also detailed the overview of Action Units and Techniques for classifying facial expressions as reported in the literature.

Keywords: Action units, Affective computing, Affective HCI, Emotion expression, Facial expression, HCI.

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