June 2019
Intermediate to advanced
308 pages
7h 21m
English
Automated human emotion recognition (HER) can be done by using either one of the following signals/inputs from the subject (human) or a combination thereof:
This chapter considers the facial expression recognition (FER)-based HER. A DL-based automated FER consists of three main steps: preprocessing, deep feature learning, and classification. The following diagram highlights these main steps in an FER-based HER.
Image processing for facial expression analysis requires preprocessing, since the different types of emotions (such as anger, disgust, fear, happiness, sadness, surprise, and neutral) have subtle differences. Variations in input images that are irrelevant ...
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