An expressive ECA showing complex emotions

An expressive ECA showing complex emotions
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富有表现力的 ECA 表现出复杂的情感

DOI:
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发表时间:
2007
期刊:
影响因子:
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通讯作者:
C. Pelachaud
C. Pelachaud
中科院分区:
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作者:
Elisabetta Bevacqua;M. Mancini;Radoslaw Niewiadomski;C. Pelachaud

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嵌入式会话代理(ECAs)是一种新的计算机界面范例,具有类似人类的方面,允许用户通过自然的语音,手势,面部表情和凝视与机器进行交互。在本文中,我们提出了一个头部动画系统为我们的ECA Greta,我们专注于它的两个方面:运动的表现力和复杂的面部表情的计算。该系统同步代理的非语言行为与她的言语流;此外,它允许我们定性地修改代理的动画,也就是说,添加表达代理的动作。我们的面部表情模型不仅嵌入了一组基本情绪的表情(例如,愤怒、悲伤、恐惧),还有不同类型的复杂表情,如虚假、抑制和掩饰表情。
Embodied Conversational Agents (ECAs) are a new paradigm of computer interface with a human-like aspect that allow users to interact with the machine through natural speech, gestures, facial expressions, and gaze. In this paper we present an head animation system for our ECA Greta and we focus on two of its aspects: the expressivity of movement and the computation of complex facial expressions. The system synchronises the nonverbal behaviours of the agent with the verbal stream of her speech; moreover it allows us to qualitatively modify the animation of the agent, that is to add expressivity to the agent’s movements. Our model of facial expressions embeds not only the expressions of the set of basic emotions (e.g., anger, sadness, fear) but also different types of complex expressions like fake, inhibited, and masked expressions.
DOI: 10.1037/0022-3514.64.1.83
发表时间: 1993-01-01
影响因子: 7.6
作者:
FRANK, MG;EKMAN, P;FRIESEN, WV
通讯作者: FRIESEN, WV