Agent-Based Virtual Humans in Co-Space: An Evaluative Study

Co-Space refers to interactive virtual environment modelled after the real world in terms of look-and-feel, functionalities and services. We have developed a 3D virtual world named Nan yang Technological University (NTU) Co-Space populated with virtual human characters. Three key requirements of rea...

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Vydáno v:2012 IEEE/WIC/ACM International Conferences on Web Intelligence and Intelligent Agent Technology Ročník 2; s. 59 - 66
Hlavní autoři: Kang, Yilin, Tan, Ah-Hwee, Nah, Fiona Fui-Hoon
Médium: Konferenční příspěvek
Jazyk:angličtina
Vydáno: IEEE 01.12.2012
Témata:
Co-Space
Computer architecture
Engines
evaluation
Intelligent agents
Second Life
Subspace constraints
Telepresence
Three-dimensional displays
Training
User experience
virtual character
Virtual environments
ISBN:9781467360579, 1467360570
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Shrnutí:Co-Space refers to interactive virtual environment modelled after the real world in terms of look-and-feel, functionalities and services. We have developed a 3D virtual world named Nan yang Technological University (NTU) Co-Space populated with virtual human characters. Three key requirements of realistic virtual humans in the virtual world have been identified, namely (1) autonomy: agents can function on their own, (2) interactivity: agents can interact naturally with players, and (3) personality: agents can exhibit human traits and characteristics. Working towards these challenges, we propose a brain-inspired agent architecture that integrates goal-directed autonomy, natural language interaction and human-like personality. We conducted an evaluative study involving human subjects to assess how virtual characters may enhance user experience in the virtual world. The results show that the fusion ART-based virtual humans receive significantly higher ratings in various performance measures related to user experience, especially Telepresence, Perceived Interactivity and Flow.
ISBN:9781467360579
1467360570
DOI:10.1109/WI-IAT.2012.130