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A Controller-Based Animation System for Synchronizing and Realizing HumanLike Conversational Behaviors

A Controller-Based Animation System for Synchronizing and Realizing HumanLike Conversational Behaviors,10.1007/978-3-642-12397-9_6,Aleksandra Cerekovi

A Controller-Based Animation System for Synchronizing and Realizing HumanLike Conversational Behaviors   (Citations: 1)
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The Embodied Conversational Agents (ECAs) are an application of virtual characters that is subject of considerable ongoing research. An essential prerequisite for creating believable ECAs is the ability to describe and visually realize multimodal conversational behaviors. The recently developed Behavior Markup Language (BML) seeks to address this requirement by granting a means to specify physical realizations of multimodal behaviors through human-readable scripts. In this paper we present an approach to implement a behavior realizer compatible with BML language. The system’s architecture is based on hierarchical controllers which apply preprocessed behaviors to body modalities. Animation database is feasibly extensible and contains behavior examples constructed upon existing lexicons and theory of gestures. Furthermore, we describe a novel solution to the issue of synchronizing gestures with synthesized speech using neural networks and propose improvements to the BML specification.
Conference: COST 237 Workshops , pp. 80-91, 2009
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    • ...In this paper we discuss issues of multimodal behavior realization for ECAs with focus on motioncontrolusingBML.Baseduponresultsofourpreviouswork[8] we develop RealActor, the real-time behavior realization system for ECAs...
    • ...– Most of the gestures are generated using motion clips from the animation database containing 52 types of gestures [8]: beats, lexemes, conduit and generic gestures, which are complex symbolic animations controlled through external namespace elements in a BML script...

    Aleksandra Čerekovićet al. Multimodal behavior realization for embodied conversational agents

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