Faculty Profiles - OGAWA Kohei

Papers - OGAWA Kohei

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Exploring the natural reaction of young and aged person with Telenoid in a real world Reviewed

Kohei Ogawa, Shuichi Nishio, Kensuke Koda, Giuseppe Balistreri, Tetsuya Watanabe, Hiroshi Ishiguro

Journal of Advanced Computational Intelligence and Intelligent Informatics Vol. 15 ( 5 ) page： 592 - 597 2011

Language：English Publishing type：Research paper (scientific journal) Publisher：Fuji Technology Press

This paper describes two field tests conducted with shopping mall visitors and with aged persons defined as in their 70s to 90s. For both of the field tests, we used an android we developed called Telenoid R1 or just Telenoid. In the following field tests we interviewed participants about their impressions of the Telenoid. The results of the shopping mall showed that almost half of the interviewees felt negative toward Telenoid until they hugged it, after which opinions became positive. Results of the other test showed that the majority of aged persons reported a positive opinion and, interestingly, all aged persons who interacted with Telenoid gave it a hug without any suggestion to do so. This suggests that older persons find Telenoid to be acceptable medium for the elderly. Younger persons may also find Telenoid acceptable, seeing that visitors developed positive feelings toward the robot after giving it a hug. These results should prove valuable in our future work with androids.

DOI： 10.20965/jaciii.2011.p0592

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Telenoid: Tele-presence android for communication Reviewed

Kohei Ogawa, Shuichi Nishio, Kensuke Koda, Koichi Taura, Takashi Minato, Carlos Toshinori Ishii

ACM SIGGRAPH 2011 Emerging Technologies, SIGGRAPH'11 2011

Language：English Publishing type：Research paper (international conference proceedings)

In this research, a new system of telecommunication called "Telenoid" is presented which focuses on the idea of transferring human's "presence". Telenoid was developed to appear and behave as a minimal design of human features. (Fig. 2(A)) A minimal human conveys the impression of human existence at first glance, but it doesn't suggest anything about personal features such as being male or female, old or young. Previously an android with more realistic features called Geminoid was proposed. However, because of its unique appearance, which is the copy of a model, it is too difficult to imagine other people's presence through Geminoid while they are operating it. On the other hand, Telenoid is designed as it holds an anonymous identity, which allows people to communicate with their acquaintances far away regardless of their gender and age. We expect that the Telenoid can be used as a medium that transfers human's presence by its minimal feature design.

DOI： 10.1145/2048259.2048274

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遠隔操作によるアンドロイドへの身体感覚の転移 Reviewed

渡辺哲矢, 西尾修一, 小川浩平, 石黒浩

電子情報通信学会論文誌 D Vol. J94-D ( 1 ) page： 86 - 93 2011

The Application of a Teleoperated Robot to the Welfare Education in an Elementary School

Vol. 25 page： 1-4 2011

Cognitive effects to interactions by relationships between humans and agents

Tetsuo Ono, Kohei Ogawa

WMSCI 2010 - The 14th World Multi-Conference on Systemics, Cybernetics and Informatics, Proceedings Vol. 1 page： 18 - 23 2010

Language：English Publishing type：Research paper (international conference proceedings)

In this research our purpose is to realize a natural interaction between humans and artifacts by an ITACO system. The ITACO system is able to construct a relationship between humans and artifacts by a migratable agent. The agent can migrate to various artifacts within an environment to construct a relationship with humans. We conducted the two experiments to confirm effects for human by a relationship that was constructed between humans and artifacts. The experimental results show that a relationship gave some influences to human's behavior and cognitive abilities. The results, moreover, show that the ITACO system and the migratable agent is an effective method to realize a natural interaction between humans and artifacts.

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Effects to the condition for eye contact by differences of appearance and movement

YAMAMORI Takayoshi, OGAWA Kohei, NISHIO Shuichi, ISHIGURO Hiroshi

IEICE technical report Vol. 108 ( 487 ) page： 13-18 2009.3

Language：English Publishing type：Research paper (scientific journal)

近年,見かけが人間に酷似したロボット,アンドロイドの研究がおこなわれている.一方で,視線,とりわけ相手と目を合わせるという動作(アイコンタクト)は,我々の社会生活にとって重要な役割を果たしている.近年の研究から,ロボットや対話メディアとのとのコミュニケーションにおいても視線の重要性が報告されており,目を合わせる機能の必要性が増えつつある.しかし,視線知覚そのものに関する実験的な研究はそれほど多くはないため,人と目が合うための条件や,条件に影響を与える要因が明らかではない.そこで,人と目を合わせる機能が最も必要とされるアンドロイドや他の対話メディアを用いて,人と目が合うための条件を検証する実験をおこなった.実験により,人と目が合うための条件に影響を与える要因を特定する.人と目が合うための条件に影響を与える要因として,目の形状や対象の見た目,視線の動き方が影響することが明らかになった.

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Body image extension induced by synchronization with teleoperated android robot

WATANABE Tetsuya, OGAWA Kohei, NISHIO Shuichi, ISHIGURO Hiroshi

IEICE technical report Vol. 108 ( 487 ) page： 19-24 2009.3

Language：English Publishing type：Research paper (scientific journal)

It is known that teleoperators of android robots occasionally experience bodily image extension. Even though only visual feedback is provided, when others touch at the robotic body, the operator feels as if s/he had been touched. A similar phenomenon named "Rubber Hand Illusion" is known which is said to reflect a three-way interaction among vision, touch and proprioception. In this research, we examined whether similar interaction occurs when replacing tactile sensation with synchronization of operating an android robot. The result showed that as the degree of synchronization raise, the participants began feeling the robotic body as part of their own body.

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Can An Android Persuade You? Reviewed

Kohei Ogawa, Christoph Bartneck, Daisuke Sakamoto, Takayuki Kanda, Tetsuo Ono, Hiroshi Ishiguro

RO-MAN 2009: THE 18TH IEEE INTERNATIONAL SYMPOSIUM ON ROBOT AND HUMAN INTERACTIVE COMMUNICATION, VOLS 1 AND 2 page： 9 - + 2009

Language：English Publishing type：Research paper (international conference proceedings) Publisher：IEEE

The first robotic copies of real humans have become available. They enable their users to be physically present in multiple locations at the same time. This study investigates what influence the embodiment of an agent has on its persuasiveness and its perceived personality. Is a robotic copy as persuasive as its human counterpart? Does it have the same personality? We performed an experiment in which the embodiment of the agent was the independent variable and the persuasiveness and perceived personality were the dependent measurement. The persuasive agent advertised a Bluetooth headset. The results show that an android is found to be as persuasive as a real human or a video recording of a real human. The personality of the participant had a considerable influence on the measurements. Participants that were more open to new experiences rated the persuasive agent lower on agreeableness and extroversion. They were also more willing to spend money on the advertised product.

DOI： 10.1109/ROMAN.2009.5326352

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Ubiquitous Mind and Interaction Design between Human and Robot

Human interface Vol. 10 ( 2 ) page： 115-118 2008.5

ITACO: Constructing an Emotional Relationship between Human and Interactive System

OGAWA KOHEI, ONO TETSUO

IPSJ SIG Notes. ICS Vol. 2008 ( 5 ) page： 9-16 2008.1

Language：English Publishing type：Research paper (scientific journal)

In this paper, we describe the ITACO system that is able to built an emotional relationship between human and interactive system by migratable agent. The agent in an ITACO system is able to migrate into interactive system within an environment. We carried out the two psychological experiments to verify whether an ITACO system is able to built an emotional relationship between human and interactive system such as robot and table lamp. As the results of experiments, we could show that emotional relationship gave an influence to human's behavior and cognitive abilities.

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Relational Interaction Design: Toward a New Paradigm of Interaction based on Relationship

ONO Tetsuo, SAKAMOTO Daisuke, OGAWA Kohei, KOMAGOME Daisuke

IPSJ SIG Notes. ICS Vol. 2008 ( 5 ) page： 1-7 2008.1

Language：English Publishing type：Research paper (scientific journal)

In this paper, we discuss a methodology of interaction design investigating factors regarding relation between humans and artifacts. Concretely, we introduce the results of our researches, i.e., ITACO system using an agent migration mechanism, Embodied Communication emerging from cooperative gesture, Sociality of Robots based on the balance theory, and RobotMeme applied mutual adaptation between human and robot. We will bring the problems of interaction design through this survey of our researches into relief.

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ITACO: Constructing an Emotional Relationship between Human and Robot Reviewed

Kohei Ogawa, Tetsuo Ono

2008 17TH IEEE INTERNATIONAL SYMPOSIUM ON ROBOT AND HUMAN INTERACTIVE COMMUNICATION, VOLS 1 AND 2 page： 35 - 40 2008

Language：English Publishing type：Research paper (international conference proceedings) Publisher：IEEE

In this paper we describe an ITACO system that is able to construct an emotional relationship between humans and interactive systems by a migratable agent. The agent in the ITACO system can migrate between interactive systems within an environment. We conducted psychological experiments to verify whether the ITACO system can construct an emotional relationship between humans and interactive systems such as a robot and a table lamp. The experimental results show that emotional relationships were constructed between humans and interactive systems. Thus emotional relationships gave an influence to human's behavior and cognitive abilities.

DOI： 10.1109/ROMAN.2008.4600640

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ITACO: Effects to Interactions by Relationships between Humans and Artifacts Reviewed

Kohei Ogawa, Tetsuo Ono

INTELLIGENT VIRTUAL AGENTS, PROCEEDINGS Vol. 5208 page： 296 - 307 2008

Language：English Publishing type：Research paper (international conference proceedings) Publisher：SPRINGER-VERLAG BERLIN

Our purpose in this paper is realizing a natural interaction between humans and artifacts by an ITACO system. The ITACO System is able to construct a relationship between humans and artifacts by a migratable agent. The agent in the ITACO system can migrate to various artifacts within an environment to construct a relationship with humans. We conducted the two experiments to confirm effects for human by a relationship that was constructed between humans and artifacts. The experimental results showed that a relationship gave some influences to human's behaviors and cognitive abilities. The results also showed that the ITACO system and the migratable agent were an effective method to realize a natural interaction between them.

DOI： 10.1007/978-3-540-85483-8_31

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姿が見えないエージェントとのインタラクション

板垣祐作, 小川浩平, 小野哲雄

人工知能学会全国大会論文集 Vol. 8 ( 0 ) page： 68-68 2008

Language：English Publishing type：Research paper (scientific journal)

本研究の目的は我々が提案しているITACOシステムを用いて、見た目を変化させるエージェントを人間がどのように認知するかに関して検証することである。特に本稿では、エージェントの姿が見えない場合、人間との対話にどのような影響があるかを検証した。

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Agent's existence expressed in sound modality and social identity

Vol. 22 page： 1-4 2008

ITACO: メディア間を移動可能なエージェントによる遍在知の実現 Reviewed

小川浩平, 小野哲雄

ヒューマンインターフェース学会論文誌 Vol. 8 page： 373 - 380 2006

UbiquitousCognition:MobileEnvironmentAchievedbyMigratableAgent Reviewed

KoheiOgawa,TetsuoOno

International Conference on Human Computer InteracVtion with Mobile Devices and Services page： 337 - 338 2005

Ubiquitous cognition: Mobile environment achieved by migratable agent

Kohei Ogawa, Tetsuo Ono

ACM International Conference Proceeding Series Vol. 111 page： 337 - 338 2005

Language：English Publishing type：Research paper (international conference proceedings)

We propose a concept of Ubiquitous Cognition and introduce an integrated agent for communication (ITACO) system based on the concept. To realize our proposed concept, the ITACO system tries to appropriately support a user using a migratable agent which is context-sensitive and gives continuous assistance. The key factor in this system is the construction of a relationship between the user and the agent, and to carry on this relationship between the user and the object that the agent has migrated to. Psychological experiments were carried out to verify this succession of the relationship between media. The results of the experiments showed that the subjects' attachment to the media as well as the relationship was succeeded through the media by the agent migration.

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