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
Authors

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...