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Identifier

000339001

Title

An artificial presenter avatar with social behaviour, emotion-driven animation and mini games

Alternative Title

Τεχνητός Χαρακτήρας Παρουσιαστή με Κοινωνική Συμπεριφορά, Συναισθηματικά Καθοδηγούμενες Κινούμενες Εικόνες και Παράπλευρα Παιγνίδια

Author

Καρουζάκη, Ευφροσύνη Δημήτριος

Thesis advisor

Σαββίδης, Αντώνης

Abstract

In this Thesis we discuss the design and implementation of an artificial game presenter named /Amby/ as a software avatar supporting social behaviour and emotion-driven animation control. The main concept is that during a game session, an independent ambient presence avatar monitors game progress and player activities to perform typical social comments. Additionally, in synergy with the main game, our avatar introduces extra challenges to players called mini games, such as hangman and random card selection. Also it displays standard game elements like players’ inventory, lives and score while enabling dice rolling.
The avatar behaviour adopts the sense-think-act model which is typical for game characters, while internally it is implemented as an adaptive behaviour in which social responses are driven by game-oriented stimuli. In this context, the entire AI has been implemented with two layers of decision making using an appropriate existing language.
Amby is rendered as an anthropomorphic character, currently displaying only its face with basic elements like eyes, ears, nose, hair and mouth. In this context, expressions like happiness, surprise, sadness or anger are supported, handled by an emotion-driven animation core, according to emotion state transitions driven by the basic AI.
To address the previous challenges, /Amby/ has been implemented in three separate languages: (a) underlying services and communication with the master game, in C++; (b) decision rules, in DMSL; and (c) rendering, animation and mini games, in Delta.

Physical description

xiii, 73 σ. : εικ. ; 30 cm.

Language

English

Issue date

2008-12-04

Collection

School/Department--School of Sciences and Engineering--Department of Computer Science--Post-graduate theses

Type of Work--Post-graduate theses

Views

503

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