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Recently, in service robotics area, increasing attention is being paid on interaction capability of robot for human-being as well as its task performing capability. In this paper, in particular, an automatic gesture generation methodology for conversational interaction of service robots is presented toward more human-friendly human-robot interaction. From the survey on the results in the psychology...
This study investigated the relationship between individual differences and proxemic behaviour in an HRI setting involving a robot approaching a person. In total 33 participants took part in three different scenarios; verbal interaction, physical interaction and no interaction. Participant control over the robot, and approach direction was also varied. Measurements of the preferred robot approach...
The paper presents an approach to intelligent, interactive people following for autonomous robots. The approach combines robust methods for simultaneous localization and mapping and for people tracking in order to yield a socially and environmentally sensitive people following behavior. Unlike current purely reactive approaches ("nearest point following") it enables the robot to follow a...
Human activity recognition is an essential ability for service robots and other robotic systems which are in interaction with human beings. To be proactive, the system must be able to evaluate the current state of the user it is dealing with. Also future surveillance systems will benefit from robust activity recognition if realtime constraints are met, allowing to automate tasks that have to be fulfilled...
In late years, as new media turning into PC or mobile phone, a study about communication robots is prosperous. Robots are different from the conventional media, because robots have physical bodies like humans, so it is reported that humans bemust robots socially. Therefore, we decide to apply a concept of meme as a cultural gene to an interaction design with humans and robots in this study. By this...
We are currently investigating the use of rhythm and synchrony in human-robot interaction. Specifically, we are developing techniques for the perception and generation of social rhythmic behaviors in nonverbal dance-oriented play between children and a small creature-like robot. While our goal is to develop and evaluate technological artifacts that can participate in rhythmically coordinated social...
This paper describes the psychological experiments to clarify whether the gain and loss of esteem could be observed in human-robot interaction. The gain and loss of esteem is defined as follows: changes in rewarding behavior from another have a greater impact on an individual than consistent, invariant reward. Specifically, person A prefers person B who changes her/his bad evaluation about person...
Home-service robots are expected to perform a wide range of tasks commonly encountered in a household environment. For autonomous operations robots should be able to plan their actions to carry out these tasks in advance and they should at least have the ability to plan for additional tasks during their operation. Because of the variability and uncertainty in the environment, it is best to endow robots...
The characteristics of the behaviors of home- service robots are different from those of other intelligent systems. Based on these characteristics, we developed a task model that can both support meaningful interactions and improve task performance. The task model is able to generate the robot's diverse actions and aid its interaction management. A decision/interaction model was established to decide...
Ubiquitous robotic companion (URC ) is a new concept for the network-based robot platform which can enable to be following its master wherever or whenever he/she be in order to provide necessary services. The robot platforms in present normally interest in providing services through the direct interaction in responding to the user's demands. On the other hand, URC services are required to be provided...
Achieving and maintaining user engagement is a key goal of human-robot interaction. This paper presents a method for determining user engagement state from physiological data (including galvanic skin response and skin temperature). In the reported study, physiological data were measured while participants played a wire puzzle game moderated by either a simulated or embodied robot, both with varying...
We suggest that people's responses to a robot of which attention starts to be distracted show whether they accept the robot as an intentional communication partner or not. Human-robot interaction (HRI) as well as human-human interaction (HHI) is sometimes interrupted by disturbing factors. However, in HHI people continue to communicate with a partner because they presuppose that the partner may shift...
This paper presents a text-independent speaker identification system using multiple microphones on the robot, which is intended for use in human-robot interaction. For the purpose of the best possible classification rate in speaker identification, the individual identification results obtained from multiple microphones on the robot are combined by various combination schemes. The performance improvement...
This paper reviews the literature related to the use of psychophysiology measures in human-robot interaction (HRI) studies in an effort to address the fundamental question of appropriate metrics and methodologies for evaluating HRI research, especially affect. It identifies four main methods of evaluation in HRI studies: (1) self-report measures, (2) behavioral measures, (3) psychophysiology measures,...
In human-robot interaction (HRI), interactivity is a critical issue in terms of how they understand each other and what makes them share grounds to communicate. This paper proposes measures to evaluate interaction process using information theoretic approach. The measures are designed to quantify the level of shared ground among agents and their environment. With these measures, an experiment is carried...
Teaching a robot new skills may require that the teacher scaffolds the teaching experience appropriately. However, due to inherent assumptions made by a human teacher the scaffolding process may in some circumstances fail to effectively teach the robot. Here we illustrate this issue in two simple robot teaching exploratory studies and examine the assumptions made by the teacher when teaching the robot...
This paper presents techniques that enable talker tracking for effective human-robot interaction. To track moving people in daily-life environments, localizing multiple moving sounds is necessary so that robots can locate talkers. However, the conventional method requires an array of microphones and impulse response data. Therefore, we propose a way to integrate a cross-power spectrum phase analysis...
In this work, we further test the hypothesis that physical embodiment has a measurable effect on performance and impression of social interactions. Support for this hypothesis would suggest fundamental differences between virtual agents and robots from a social standpoint and would have significant implications for human-robot interaction. We have refined our task-based metrics to give a measurement,...
This paper addresses a so far neglected area of human-robot interaction by approaching situation awareness from the point of view of naive users. In particular, we present an investigation into which naive models of robots' capabilities users carry into the interaction, how these models influence the interaction, and which means can be taken to guide users into more realistic models and behaviours...
Models that can efficiently, compactly, and semantically represent potential users are important tools for human-robot interaction applications. We model a person as a projection of a generic 3D articulated model and propose a method to estimate its joint positions from image data in an optimization framework. This is done by constructing a function that grades a configuration of joints according...
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