Mediating the expression of emotion in educational collaborative virtual environments: an experimental study

Virtual Reality - Tập 7 - Trang 66-81 - 2004
Marc Fabri1, David Moore1, Dave Hobbs2
1ISLE Research Group, Leeds Metropolitan University, Leeds, UK
2School of Informatics, University of Bradford, Bradford, UK

Tóm tắt

The use of avatars with emotionally expressive faces is potentially highly beneficial to communication in collaborative virtual environments (CVEs), especially when used in a distance learning context. However, little is known about how, or indeed whether, emotions can effectively be transmitted through the medium of a CVE. Given this, an avatar head model with limited but human-like expressive abilities was built, designed to enrich CVE communication. Based on the facial action coding system (FACS), the head was designed to express, in a readily recognisable manner, the six universal emotions. An experiment was conducted to investigate the efficacy of the model. Results indicate that the approach of applying the FACS model to virtual face representations is not guaranteed to work for all expressions of a particular emotion category. However, given appropriate use of the model, emotions can effectively be visualised with a limited number of facial features. A set of exemplar facial expressions is presented.

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