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IEICE TRANSACTIONS on Information

Facial Expression Generation from Speaker's Emotional States in Daily Conversation

Hiroki MORI, Koh OHSHIMA

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Summary :

A framework for generating facial expressions from emotional states in daily conversation is described. It provides a mapping between emotional states and facial expressions, where the former is represented by vectors with psychologically-defined abstract dimensions, and the latter is coded by the Facial Action Coding System. In order to obtain the mapping, parallel data with rated emotional states and facial expressions were collected for utterances of a female speaker, and a neural network was trained with the data. The effectiveness of proposed method is verified by a subjective evaluation test. As the result, the Mean Opinion Score with respect to the suitability of generated facial expression was 3.86 for the speaker, which was close to that of hand-made facial expressions.

Publication
IEICE TRANSACTIONS on Information Vol.E91-D No.6 pp.1628-1633
Publication Date
2008/06/01
Publicized
Online ISSN
1745-1361
DOI
10.1093/ietisy/e91-d.6.1628
Type of Manuscript
Special Section PAPER (Special Section on Human Communication III)
Category
Media Communication

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