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This paper presents a computational study of head motion in human interaction, notably of its role in conveying interlocutors’ behavioral characteristics. Head motion is physically complex and carries rich information; current modeling approaches based on visual signals, however , are still limited in their ability to adequately capture these important properties. Guided by the methodology of kinesics...
We examine whether head motion can be used for predicting human expert's judgments of behavioral characteristics relevant to the couples therapy domain. Specifically we predict “high” or “low” presence of several behavioral characteristics such as “Blame” that are discerned by human experts, through data-driven clustering of the head motion signal based on power-spectral features. We employ the distribution...
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...
We propose a data driven approach for modeling head motion behavior in human dyadic interactions, by establishing a structure for unconstrained natural head movement. Using recordings of couples' conversations in real psychotherapy sessions, we first track the head of each subject, compute the head motion and detect active versus non-active intervals. For detected active intervals, we use a sliding...
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