Paper: Data-Driven Generation Of Emphatic Facial Displays

ACL ID E06-1045
Title Data-Driven Generation Of Emphatic Facial Displays
Venue Annual Meeting of The European Chapter of The Association of Computational Linguistics
Session Main Conference
Year 2006

We describe an implementation of data- driven selection of emphatic facial dis- plays for an embodied conversational agent in a dialogue system. A corpus of sentences in the domain of the target dia- logue system was recorded, and the facial displays used by the speaker were anno- tated. The data from those recordings was used in a range of models for generating facial displays, each model making use of a different amount of context or choosing displays differently within a context. The models were evaluated in two ways: by cross-validation against the corpus, and by askinguserstoratetheoutput. Thepredic- tions of the cross-validation study differed from the actual user ratings. While the cross-validation gave the highest scores to models making a majority choice within a context, the user...