Toward Natural Gesture Synthesis: Evaluating Gesture Units in a Data-Driven Approach to Gesture Synthesis

Michael Kipp; Michael Neff; Kerstin H. Kipp; Irene Albrecht
In: Catherine Pelachaud; Jean-Claude Martin; Elisabeth Andre; Gérard Chollet; Kostas Karpouzis; Danielle Pelé (Hrsg.). Proceedings of the 7th International Conference on Intelligent Virtual Agents. International Conference on Intelligent Virtual Agents (IVA-2007), September 17-19, Paris, France, Pages 15-28, Lecture Notes in Computer Science (LNCS), Vol. 4722/2007, ISBN 978-3-540-74996-7, Springer, 9/2007.


Virtual humans still lack naturalness in their nonverbal behaviour. We present a data-driven solution that moves towards a more natural synthesis of hand and arm gestures by recreating gestural behaviour in the style of a human performer. Our algorithm exploits the concept of gesture units to make the produced gestures a continuous flow of movement. We empirically validated the use of gesture units in the generation and show that it causes the virtual human to be perceived as more natural.



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