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HRI (Human–Robot Interaction) is often frequent and intense in assistive service environment and it is known that realizing human-friendly interaction is a very difficult task because of human presence as a subsystem of the interaction process. After briefly discussing typical HRI models and characteristics of human, we point out that learning aspect would(More)
The independence of people who need help with daily activities will become of vital importance to all societies in the future. This paper addresses the problem of controlling the assistive home environment and emphasizes human-friendly human-machine interactions in an approach designed to achieve independence. To provide residents with an accessible,(More)
— Human's intention plays a key role in human-machine interaction as in the case of a robot serving for a handicapped person. The quality of a service robot will be much enhanced if the robot can infer the human's intension during the interaction process. In this paper, we propose a soft computing-based technique to read a user's intention using some(More)
Researchers have proposed various techniques for over-the-surface interaction using pens. However, current pen systems can't properly support these techniques because of their limited tracking abilities. The IrPen, an extension of the IrCube tracker, is a six-degree-of-freedom pen system that properly supports over-the-surface interaction on tablet(More)
Six-degrees-of-freedom (6-DOF) trackers, which were mainly for professional computer applications, are now in demand by everyday consumer applications. With the requirements of consumer electronics in mind, we designed an optical 6-DOF tracker where a few photo-sensors can track the position and orientation of an LED cluster. The operating principle of the(More)
Independence of people in need in their living environment becomes an imperative notion for any society in the years to come. As an approach to achieve independence, this paper addresses the problem of controlling an assistive home environment emphasizing a human-friendly man-machine interaction. We introduce a new service robot, named Joy, which can be(More)
This paper discusses some important issues of interaction in the " Intelligent Sweet Home " which is an ongoing project on a smart house. Various forms of man-machine interaction frequently occur in the house mainly by means of three subsystems: hand pointing/gesture recognition subsystem, a set of multiple robotic agents, and a virtual environment as a(More)
In fields of intelligent robots and computer vision, the capability to select a few points representing salient structures has always been focused and investigated. In this paper, we present a novel interest point detector for 3D range images, which can be used with good results in applications of surface registration and object recognition. A local shape(More)