2009 | OriginalPaper | Buchkapitel
A Multimodal Corpus Approach for the Study of Spontaneous Emotions
verfasst von : Jean-Claude Martin, Laurence Devillers
Erschienen in: Affective Information Processing
Verlag: Springer London
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The design of future interactive affective computing systems requires the representation of spontaneous emotions and their associated multimodal signs. Current prototypes are often limited to the detection and synthesis of a few primary emotions and are most of the time grounded on acted data collected in-lab. In order to model the sophisticated relations between spontaneous emotions and their expressions in different modalities, an exploratory approach was defined.We collected and annotated a TV corpus of interviews. The collected data displayed emotions that are more complex than the six basic emotions (anger, fear, joy, sadness, surprise, disgust). We observed superpositions, masking, and conflicts between positive and negative emotions. We report several experiments that enabled us to provide some answers to questions such as how to reliably annotate and represent the multimodal signs of spontaneous complex emotions and at which level of abstraction and temporality.
We also defined a copy-synthesis approach in which these behaviors were annotated, represented, and replayed by an expressive agent, enabling a validation and refinement of our annotations. We also studied individual differences in the perception of these blends of emotions. These experiments enabled the identification and definition of several levels of representation of emotions and their associated expressions that are relevant for spontaneous complex emotions.