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In this paper, we propose a computational modeling method to investigate head-eye coordination in face-to-face behavior. The method looks into probability density of individuals' head orientation during looking at others' face. We conducted experiment under two different scenarios in human-human interaction. Under each scenario, individuals' head orientation could be fitted with one Gaussian distribution...
Although socially assistive robots are popularly studied as a powerful tool in therapeutic activities for children with Autism Spectrum Disorder (ASD), there are several challenges particularly in automation of the robot's behavior due to difficulties of sensing children's social behaviors by the robotic agent. We developed measurement methods to quantitatively measure children's social behaviors,...
This paper presents the design, implementation, and application of a vision-based automatic system that measures facial interaction based on human's cognitive feature. We investigated the feature of people's facial interaction under natural gaze-movement via an experiment, and created criteria of k-degree facial interaction and face-to-face interaction depending only on facial orientation. These criteria...
This article presents a study using social robots in a hotel public space. The objective of this study is to investigate people’s response to robot’s different speech. We used humanoid robot NAO for setting up our experiments: (i) A single robot greeted each guest. (ii) A single robot engaged in soliloquy about hotel’s information. (iii) Dual robots had conversations between each other about hotel’s...
This paper presents a study using multiple robots with different socially interactive functionalities in a hotel public space. We analyzed the human attitude toward different styles of interactions with robots, and assessed the use of those robots. We conducted comparative experiments in different settings: (i) Two single robots, Palro and Nao, were used separately to detect the presence of guests...
This report presents a preliminary work performed using robots with different social interactive functionalities in a hotel public space in order to investigate human-robot interaction (HRI). We developed robots that enable two types of interaction: (i) Twin robots (Gemini) engage in a conversation with body gestures, and hotel guests can receive information through overhearing the robots' conversation...
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