Mapping and manipulating facial expression.

Mapping and manipulating facial expression.
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DOI:
10.1177/0023830909103181
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发表时间:
2009
影响因子:
1.8
通讯作者:
Boker SM
Boker SM
中科院分区:
人文科学3区
文献类型:
--
作者:
Theobald BJ;Matthews I;Mangini M;Spies JR;Brick TR;Cohn JF;Boker SM

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非言语视觉提示伴随言语,补充言语的意义,表示情感状态,指示话语中的位置,并提供反馈。这种视觉信息包括头部动作、面部表情和身体姿势。在本文中,我们描述了在参与对话的人的视频序列中操纵语言和非语言面部手势的技术。我们正在开发一种用于心理学实验的系统,在该系统中,可以研究在现场面对面交谈中操纵非语言视觉行为的各个组成部分的效果。特别是,我们描述的技术以视频帧速率实时操作,并且可以应用操作,因此对话中的两个参与者都对实验条件视而不见。
Non-verbal visual cues accompany speech to supplement the meaning of spoken words, signify emotional state, indicate position in discourse, and provide back-channel feedback. This visual information includes head movements, facial expressions and body gestures. In this paper we describe techniques for manipulating both verbal and non-verbal facial gestures in video sequences of people engaged in conversation. We are developing a system for use in psychological experiments, where the effects of manipulating individual components of non-verbal visual behaviour during live face-to-face conversation can be studied. In particular, the techniques we describe operate in real-time at video frame-rate and the manipulation can be applied so both participants in a conversation are kept blind to the experimental conditions.
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发表时间: 1999-11-17
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期刊: JOURNAL OF VISUALIZATION AND COMPUTER ANIMATION
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