Controlling the Gaze of Conversational Agents


Heylen, D.K.J. and Es, I. van and Nijholt, A. and Dijk, E.M.A.G. van (2005) Controlling the Gaze of Conversational Agents. In: J. van Kuppevelt & L. Dybkjaer & N.O. Bernsen (Eds.), Natural, Intelligent and Effective Interaction in Multimodal Dialogue Systems. Kluwer Academic Publishers, pp. 245-262. ISBN 9781402039324

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Abstract:We report on a pilot experiment that investigated the effects of different eye gaze behaviours of a cartoon-like talking face on the quality of human-agent dialogues. We compared a version of the talking face that roughly implements some patterns of human-like behaviour with
two other versions. In one of the other versions the shifts in gaze were kept minimal and in the other version the shifts would occur randomly. The talking face has a number of restrictions. There is no speech recognition, so questions and replies have to be typed in by the users
of the systems. Despite this restriction we found that participants that conversed with the agent that behaved according to the human-like patterns appreciated the agent better than participants that conversed with the other agents. Conversations with the optimal version also
proceeded more efficiently. Participants needed less time to complete their task.
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Electrical Engineering, Mathematics and Computer Science (EEMCS)
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