Head motion synchrony and its correlation to affectivity in dyadic interactions
Head motion synchrony and its correlation to affectivity in dyadic interactions
复制标题
二元互动中头部运动同步性及其与情感的相关性
DOI：
10.1109/icme.2013.6607480
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发表时间：
2013
期刊：
影响因子：
--
通讯作者：
Shrikanth S. Narayanan
中科院分区：
文献类型：
--
作者：
Bo Xiao;P. Georgiou;Chi;Brian R. Baucom;Shrikanth S. Narayanan
行为同步性，或夹带，是心理学家非常感兴趣的现象，也是一个具有挑战性的量化概念。在这项工作中，我们研究了人类二元相互作用中头部运动的同步行为。我们使用从头部运动向量中提取的线谱频率的高斯混合模型(GMM)来建模头部运动。我们通过对话者头部运动序列的后部的Kullback-Leibler散度来量化对话者头部运动的相似性。我们使用了一个由心理学家广泛注解的痛苦夫妻互动的视听数据库，使用推导出的相似性度量来测试两个假设。我们通过比较互动的前半部分和后半部分来验证第一个假设，即随着互动的进行，人们更有可能增加他们的同步度。第二个假设测试这两个部分的相似性度量的相对变化是否与领域专家的行为注释显著相关。这项工作强调了头部运动作为交互线索的重要性，以及将其用于同步行为计算模型的可行性。
Behavioral synchrony, or entrainment, is a phenomenon of great interest to psychologists and a challenging construct to quantify. In this work we study the synchrony behavior of head motion in human dyadic interactions. We model head motion using Gaussian Mixture Model (GMM) of line spectral frequencies extracted from the motion vectors of the head. We quantify interlocutor head motion similarity through the Kullback-Leibler divergence of the GMM posteriors of their respective motion sequences. We use an audiovisual database of distressed couple interactions, extensively annotated by psychologists, to test two hypotheses using the derived similarity measure. We validate the first hypothesis - that people are more likely to increase their degree of synchrony as the interaction progresses - by comparing the first and second halves of the interaction. The second hypothesis tests if the relative change of the similarity measure from these two halves is significantly correlated with the behavioral annotation by the domain experts. This work underscores the importance of head motion as an interaction cue, and the feasibility of using it in a computational model for synchrony behavior.
影响因子：
5.9
作者：
Christensen, A;Atkins, DC;Simpson, LE
通讯作者：
Simpson, LE