Automatic facial analysis is a fundamental subject in affective computing. Its
main applications involve human-computer interaction. The systems developed
for this purpose consider combinations of different modalities, based on vocal
and visual cues. This Spotlight takes the foregoing modalities into account to
review the conventional and state-of-the-art automatic facial expression analysis
systems and their applications. In addition, this ebook surveys the available public databases in this field. We hope to provide readers with a good starting point to start their research in the field of human behavior analysis and facial expression analyses.
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