Design of Believable Intelligent Virtual Agents

Design of Believable Intelligent Virtual Agents

Pilar Herrero (Universidad Politecnica de Madrid, Spain) and Ricardo Imbert (Universidad Politecnica de Madrid, Spain)
Copyright: © 2005 |Pages: 35
DOI: 10.4018/978-1-59140-411-8.ch007
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Abstract

Virtual environments (VEs) have a set of characteristics that make them hard to be designed and implemented: distributed nature, high-level graphical design, technology novelty, and so forth. Because of the criticism or the repetitiveness of some roles played in them, some of the characters of the VEs usually must be automated. The risk is to pay a too high price, losing attractiveness, usability, or believability. The solution proposed in this chapter is to control the automated avatars by associating them with software agents, becoming intelligent virtual agents (IVAs). With this aim, an architecture to manage the perception and cognition of the agent is described. On one hand, the perceptual module of this architecture consists of a human-like model, based on one of the most successful awareness models in computer-supported cooperative work (CSCW), called the Spatial Model of Interaction (SMI). On the other hand, the cognitive module proposes an easy-to-configure structure, providing it with the precise mechanisms to exhibit reactive, deliberative or, even, more sophisticated social behaviors, incrementing the believability of the IVA in the VE.

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Table of Contents
Acknowledgments
Maria-Isabel Sanchez-Segura
Chapter 1
Kirstie L. Bellman
Based on the strengths and weaknesses of many current applications, this chapter discusses how to make virtual worlds (VWs) “real-world capable.”... Sample PDF
Real Living with Virtual Worlds: The Challenge of Creating Future Interactive Systems
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Chapter 2
Chadwick A. Wingrave
Virtual reality replaces or modifies human sensory input as do other technologies but with different methods or goals. Currently and even more so in... Sample PDF
The Future Virtual Reality Melting Pot
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Chapter 3
Clive Fencott
This chapter undertakes a methodological study of virtual environments (VEs), a specific subset of interactive systems. It takes as a central theme... Sample PDF
A Methodology of Design for Virtual Environments
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Chapter 4
Maria-Isabel Sanchez-Segura, Angélica de Antonio, Antonio de Amescua
The use of virtual environments (VEs) is increasing rapidly, and people are demanding easier and more credible ways to interact with these new... Sample PDF
SENDA: A Whole Process to Develop Virtual Environments
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Chapter 5
Joseph A. Goguen
Virtual worlds, construed in a broad enough sense to include text-based systems, as well as video games, new media, augmented reality, and user... Sample PDF
Steps Toward a Design Theory for Virtual Worlds
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Chapter 6
Paloma Diaz, Susana Montero, Ignacio Aedo, Juan Manuel Dodero
Traditionally, the development of virtual environments has been tightly dependent on the programmer’s skills to manage the available toolkits and... Sample PDF
Conceptual Modeling of Virtual Environments Using Hypermedia Design Techniques
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Chapter 7
Pilar Herrero, Ricardo Imbert
Virtual environments (VEs) have a set of characteristics that make them hard to be designed and implemented: distributed nature, high-level... Sample PDF
Design of Believable Intelligent Virtual Agents
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Chapter 8
Angélica de Antonio, Jaime Ramirez, Gonzalo Mendez
This chapter proposes an architecture for the development of intelligent virtual environments for training (IVETs) which is based on a collection of... Sample PDF
An Agent-Based Architecture for Virtual Environments for Training
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Chapter 9
Anthony Steed, Emmanuel Frecon
In this chapter, we give an overview of some of the issues that face programmers and designers when building collaborative virtual environments... Sample PDF
Construction of Collaborative Virtual Environments
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Chapter 10
Daphne Economou, Steve Pettifer
This chapter addresses one of the challenges the collaborative virtual environments (CVEs) research community faces which is the lack of a... Sample PDF
Toward a User-Centered Method for Studying CVEs for Learning
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Chapter 11
Michael Haller
This chapter introduces a component-oriented approach for developing mixed reality (MR) applications. After a short definition of mixed reality, we... Sample PDF
A Component-Oriented Approach for Mixed Reality Applications
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About the Authors