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Affects in Groups: A review on automated affect processing and estimation in groups

This review presents, in a tutorial-like manner, the current state of research in group affects. We focus on the automatic processing of affects and their estimation, which is, of course, based on foundations in social sciences regarding multiple modalities. In addition, we highlight recent developments in methods and classification approaches. Further, a collection of suitable corpora for affect estimation is presented. Based on the literature, we discuss current achievements in relation to parameters that influence the processing of groups. Finally, in the sense of a road map, different perspectives on further research are presented.