| Naslov: | EVA: expressive multipart virtual agent performing gestures and emotions |
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| Avtorji: | ID Mlakar, Izidor (Avtor)
ID Rojc, Matej (Avtor) |
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| Datoteke: |  http://www.naun.org/journals/mcs/19-710.pdf
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| Jezik: | Angleški jezik |
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| Vrsta gradiva: | Neznano |
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| Tipologija: | 1.01 - Izvirni znanstveni članek |
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| Organizacija: | FERI - Fakulteta za elektrotehniko, računalništvo in informatiko
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| Opis: | Embodied Conversational Agents (ECAs) play an important role in the development of personalized and expressive human-machine interaction, allowing users to interact with a system over several communication channels, such as: natural speech, facial expression, and different body gestures. This paper presents a novel approach to the generation of ECAs for multimodal interfaces, by using the proprietary EVA framework. EVAćs articulated 3D model is mesh-based and built on the multipart concept. Each of its 3D submodels (body-parts) supports both bone and morph target-based animation, in order to simulate natural human movement. Each body movement's structural characteristics can be described by the composite movement of one or more elementary units (bones and/or morphs), and its temporal characteristics by the durations of each of the movementćs stages (expose, present, dissipate). EVA scripts provide a means of defining and fine-tuning body motion in the form of predefined gestures, or complex behavioural events (provided by external behaviour modelling sources). Since behavioural events can also be described as a combination of tuned predefined gestures and the movements of elementary units, a small number of predefined gestures can form infinite sets of gestures that ECA can perform. ECA EVA, as presented in this paper, provides both: a personalization of its behaviour (gesture level), and a personalization of its outlook. |
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| Ključne besede: | bone and morph based animation, distributive, expressive ECA, mesh based articulated model |
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| Leto izida: | 2011 |
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| PID: | 20.500.12556/DKUM-27297  |
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| UDK: | 004.94 |
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| COBISS.SI-ID: | 14648342 |
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| ISSN pri članku: | Y506-2586 |
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| NUK URN: | URN:SI:UM:DK:YO6ELZSX |
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| Datum objave v DKUM: | 01.06.2012 |
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| Število ogledov: | 2655 |
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| Število prenosov: | 45 |
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| Metapodatki: |    |
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| Področja: | Ostalo
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