Consideration of the effect of gesture exaggeration in web3D communication using 3DAgent

Authors:
Toshiya Naka;Toru Ishida
Affiliations:
Panasonic Corporation, Kadoma, Osaka, Japan,Graduate School of Informatics, Kyoto University, Sakyoku, Kyoto, Japan;Graduate School of Informatics, Kyoto University, Sakyoku, Kyoto, Japan
Venue:
HCI'13 Proceedings of the 15th international conference on Human Interface and the Management of Information: information and interaction for learning, culture, collaboration and business - Volume Part III
Year:
2013

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Abstract

In this paper, we focused on the characteristic gestures which producing the sense of realism and intimacy in web communication using 3DAgent, and proposed the gesture exaggeration mechanical model which representing the "reservoir (Tame)" or "deciding actions (Kime)" effectively in Anime and Kabuki. By analyzing some tens of gestures including the natural motion and exaggerating one which had same start and end positions, we obtained the following results. The degree of exaggeration of behavior can be expressed mechanically by the integral value of the joint torque. The ratio of the torque value GER between the portion containing the exaggerated behavior and other position has value within the certain range from 0.4 to 0.6. This value can be used as an indicator in determining the good balanced gesture exaggeration. Moreover, we found that the result could also be seen in the case of exaggeration gestures used effectively such as the speech and presentation of famous persons, so we could determine the gesture exaggeration by GER.