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Erschienen in:
2017 | OriginalPaper | Buchkapitel
Bimodal Recognition of Cognitive Load Based on Speech and Physiological Changes
verfasst von : Dennis Held, Sascha Meudt, Friedhelm Schwenker
Erschienen in: Multimodal Pattern Recognition of Social Signals in Human-Computer-Interaction
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Abstract
An essential component of the interaction between humans is the reaction through their emotional intelligence to emotional states of the counterpart and respond appropriately. This kind of action results in a successful interpersonal communication. The first step to achieve this goal within HCI is the identification of these emotional states.
This paper deals with the development of procedures and an automated classification system for recognition of mental overload and mental underload utilizing speech an physiological signals. Mental load states are induced through easy and tedious tasks for mental underload and complex and hard tasks for mental overload. It will be shown, how to select suitable features, build uni modal classifiers which then are combined to a bimodal mental load estimation by the use of early and late fusion. Additionally the impact of speech artifacts on physiological data is investigated.