Details of a Researcher - OSAWA Hirotaka

Papers - OSAWA Hirotaka

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Interaction with an agent in Blended Reality

Yusuke Kanai, Hirotaka Ohsawa, Michita Imai

ACM/IEEE International Conference on Human-Robot Interaction 153 - 154 2013

Joint Work, Accepted, ISSN 2167-2148

This paper proposes a Blended Reality Agent called 'BReA' that can exist in both the real and virtual world and has communicative advantages that is more than simply the sum of those of a robotic agent and an on-screen agent. BReA can seamlessly transfer between the real world and virtual world and users can communicate with BReA without interruption during the transference. We conducted a field test and showed that users can recognize when it points from the virtual world to a real world object after it moves from the real world to virtual world. This result supports a hypothesis that communicating with BReA helps users recognize the link between real world and virtual world objects and virtual world information. © 2013 IEEE.

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FlashTouch: data communication through touchscreens.

Masayasu Ogata, Yuta Sugiura, Hirotaka Osawa, Michita Imai

Conference on Human Factors in Computing Systems - Proceedings (ACM) 2321 - 2324 2013

Joint Work, Accepted

FlashTouch is a new technology that enables data communication between touchscreen-based mobile devices and digital peripheral devices. Touchscreen can be used as communication media using visible light and capacitive touch. In this paper, we designed a stylus prototype to describe the concept of FlashTouch. With this prototype, users can easily transfer data from one mobile device to another. It eliminates the complexity associated with data sharing among mobile users, which is currently achieved by online data sharing services or wireless connections for data sharing that need a pairing operation to establish connections between devices. Therefore, it can prove to be of particular significance to people who are not adept at current software services and hardware functions. Finally, we demonstrate the valuable applications in online settlements via mobile device, and data communication for mobile robots. Copyright © 2013 ACM.

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Evolution of Mutual Trust Protocol in Human-based Multi-Agent Simulation.

Hirotaka Osawa, Michita Imai

Proceedings of the Twelfth European Conference on the Synthesis and Simulation of Living Systems: Advances in Artificial Life(ECAL) (MIT Press) 692 - 697 2013

Joint Work, Lead author, Corresponding author, Accepted

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BReA: Potentials of combining reality and virtual communications using a blended reality agent.

Yusuke Kanai, Hirotaka Osawa, Michita Imai

IEEE International Symposium on Robot and Human Interactive Communication(RO-MAN) (IEEE) 604 - 609 2013

Joint Work, Accepted

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Immersive Discovery Method for Exploring Interaction Strategies of an Agent:Changing Interaction Strategy by Different Degree of Freedom

Osawa Hirotaka, Imai Michita

Transactions of the Japanese Society for Artificial Intelligence (The Japanese Society for Artificial Intelligence) 28 ( 2 ) 160 - 169 2013

Joint Work, Lead author, Corresponding author, Accepted, ISSN 1346-0714

We propose an alternative approach to find each robotic agent's unique interaction strategies, called Immersing Discovery Method. In this approach, the human manipulator behaves as if she/he becomes the robot and finds efficient interaction strategies based on each robot's shape and modalities. We implement the system including a reconfigurable body robot, an easier manipulation system, and a recording system to evaluate the validity of our method. We evaluate a block-assembling task by the system by turning on and off the modality of the robot's head. Subsequently, the robot's motion during player's motion significantly increases whereas the ratio of confirmatory behavior significantly decreases in the head-fixed design. This result suggests that the robot leads the users and the user follows the robot in head-fixed condition not as in a normal turn-taking interaction style of the head-free condition.

Agency in Artifacts and Artificial System from the Viewpoint of Human-Agent Interaction

Osawa Hirotaka

Journal of the Robotics Society of Japan (The Robotics Society of Japan) 31 ( 9 ) 868 - 873 2013

Joint Work, Lead author, Last author, Corresponding author, ISSN 0289-1824

Simulation of Human-Agent Interaction based on Socion

今井, 倫太, 大隅, 俊宏, 大澤, 博隆, 村川, 賀彦

Proc. of JSAI (The Japanese Society for Artificial Intelligence) 27 ( 0 ) 1 - 3 2013

Joint Work, ISSN 1347-9881

iRing : 赤外線反射を用いてジェスチャ認識する指輪型インタフェース

尾形正泰, 杉浦裕太, 大澤博隆

日本バーチャルリアリティ学会大会論文集 Proceedings of the Virtual Reality Society of Japan annual conference ([東京] : [日本バーチャルリアリティ学会]) 17 11 - 14 2012.09

ISSN 13495062

ユーザの状態を考慮した能動的情報提示システムIPSODAの検証

大西樹, 北出卓也, 大澤博隆

電子情報通信学会技術研究報告 = IEICE technical report : 信学技報 (東京 : 電子情報通信学会) 112 ( 105 ) 17 - 21 2012.06

ISSN 09135685

チューリングテストを用いたロボットの自律的振る舞い改善

飛田国星, 大澤博隆, 山田誠二

電子情報通信学会技術研究報告 = IEICE technical report : 信学技報 (東京 : 電子情報通信学会) 111 ( 446 ) 25 - 28 2012.02

ISSN 09135685

ロボットハードウェア構成を考慮したアプリケーション選定クラウドシステムの提案

加賀美崇紘, 尾形正泰, 大澤博隆

電子情報通信学会技術研究報告 = IEICE technical report : 信学技報 (東京 : 電子情報通信学会) 111 ( 446 ) 19 - 23 2012.02

ISSN 09135685

Examination of the possibility of the non-language Turing test with the robot of 2 axes

飛田国星, 大澤博隆, 山田誠二

人工知能学会全国大会論文集 (人工知能学会) 26 1 - 4 2012

Joint Work, ISSN 1347-9881

Behavioral Turing test using two-axis actuators.

Hirotaka Osawa, Kunitoshi Tobita, Yuki Kuwayama, Michita Imai, Seiji Yamada

Proceedings - IEEE International Workshop on Robot and Human Interactive Communication (IEEE) 328 - 333 2012

Joint Work, Lead author, Corresponding author, Accepted

The Turing test is an imitation game for determining the intelligence of an agent. In spite of its simplified setting, the use of natural language between two agents in the test is still too high a hurdle for achieving fruitful results in the field of artificial intelligence. In this paper, the authors propose a variation of the Turing test with a restricted communication method. This modified test uses behaviors generated by two-axis actuators for communication instead of the natural language dialogue used in the normal Turing test. This reduction of scope reveals what kinds of features are essential for an imitation game, and broaden the application brought by Turing test. When we learn what sorts of communication become possible with restricted actuation, we can apply this knowledge to any kind of robot or device in the real world. First, we tried to determine what elements are critical for communication between a user and a robot through a preliminary experiment involving human-human communication. A human manipulator received a video image as input and controlled a "robot box" with two actuators in a way that would lead a user to put other objects into the box. The results indicated what kinds of behavior are required to show the intention of the manipulator to the user. Second, we analyzed the result of the preliminary experiment, organized a behavioral model from the result, and programmed the robot box to run the model. The behavior of the robot was programmed according to the user's head and hand locations as identified by a motion captures system. The robot automatically interact with a human without human manipulation with this program. Third, we conducted a behavioral Turing test in a communication task whereby the human collected items according to the instructions of the robot box. In this test, two actuators on the box is controlled both by human manipulator and our program. The answers of users suggests that the users could not identify which is controlled by a human manipulator or the program. This result indicates that the Turing test succeed in a restricted behavioral level. © 2012 IEEE.

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Pygmy: a ring-like anthropomorphic device that animates the human hand.

Masayasu Ogata, Yuta Sugiura, Hirotaka Osawa, Michita Imai

Conference on Human Factors in Computing Systems - Proceedings (ACM) 1003 - 1006 2012

Joint Work, Accepted

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Possessed Robot: How to Find Original Nonverbal Communication Style in Human-robot Interaction.

Hirotaka Osawa, Michita Imai

ICAART: PROCEEDINGS OF THE 4TH INTERNATIONAL CONFERENCE ON AGENTS AND ARTIFICIAL INTELLIGENCE, VOL 1 (SCITEPRESS) 632 - 641 2012

Joint Work, Lead author, Corresponding author, Accepted

We propose an alternative approach called the Possessed Robot method to find each robots unique communication strategies. In this approach, the human manipulator behaves as if she:he possesses the robot and finds the optimal communication strategies based on each robot's shape and modalities. We implement the Possessed Robot system (PoRoS) including a reconfigurable body robot, an easier manipulation system, and a recording system to evaluate the validity of our method. We evaluate a block-assembling task by PoRoS by turning on and off the modality of the robot's head. Subsequently, the robot's motion during player's motion significantly increases whereas the ratio of confirmatory behaviour significantly decreases in the head-fixed design. Based on the results, we find an example case for the optimal communication strategy in the head-fixed design. In this case, the robot leads the users and the user follows the robot as in the turn-taking communication style of the humanlike condition. This result shows the feasibility of the Possessed Robot method to make appropriate strategy adjustments based on the robot design.

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Partially Disembodied Robot: Social Interactions with a Robot's Virtual Body.

Hirotaka Osawa, Thibault Voisin, Michita Imai

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Springer) 7621 438 - 447 2012

Joint Work, Lead author, Corresponding author, Accepted, ISSN 0302-9743

We propose a novel social robot called partially disembodied robot. This system has the advantages of real-world robots and virtual agents, guaranteeing a high social presence without sacrificing space efficiency. The robot consists of body parts that mimic human hands and eyes in order to give the user visual feedback, and is able to react to human contact through 3D detection, thus allowing the possibility for the user to interact through touching the robot. We evaluated how our system regulates users' behaviors during the solving process of the Tower of Hanoi problem. First, the users solve a Tower of Hanoi problem while being helped by the robot, but without having defined its body. In the second phase, the users were asked to define the robot's body and to play with it using the different interactions implemented. Finally, they were asked to solve the Tower of Hanoi problem once again, this time with the robot's body they defined. We could observe that the presence of the robot was perceived much more clearly by the user after they defined the robot's body, and when they were able to physically interact with it. Users' social response to the robot also seemed to be mediated by their feelings about its social presence. Finally, we found that the shyness of the users can impact the size of the robot's body that they define. © 2012 Springer-Verlag.

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iRing: intelligent ring using infrared reflection.

Masayasu Ogata, Yuta Sugiura, Hirotaka Osawa, Michita Imai

UIST'12: PROCEEDINGS OF THE 25TH ANNUAL ACM SYMPOSIUM ON USER INTERFACE SOFTWARE AND TECHNOLOGY (ASSOC COMPUTING MACHINERY) 131 - 136 2012

Joint Work, Accepted

We present the iRing, an intelligent input ring device developed for measuring finger gestures and external input. iRing recognizes rotation, finger bending, and external force via an infrared (IR) reflection sensor that leverages skin characteristics such as reflectance and softness. Furthermore, iRing allows using a push and stroke input method, which is popular in touch displays. The ring design has potential to be used as a wearable controller because its accessory shape is socially acceptable, easy to install, and safe, and iRing does not require extra devices. We present examples of iRing applications and discuss its validity as an inexpensive wearable interface and as a human sensing device.

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Give me a hand - How users ask a robotic arm for help with gestures

Mahisorn Wongphati, Yusuke Kanai, Hirotaka Osawa, Michita Imai

Proceedings - 2012 IEEE International Conference on Cyber Technology in Automation, Control, and Intelligent Systems, CYBER 2012 (IEEE Computer Society) 64 - 68 2012

Joint Work, Accepted

A task that requires two hands to perform such as soldering usually needs additional tools for holding (e.g. a cable) or adding (e.g. solder) an object to a specific position. A robotic manipulator or robotic arm is one of the solution for this requirement. When gesture is selected as a method for controlling a robot, characteristics of gestures are needed for designing and developing a gesture recognition system. With this requirement, we conducted an experiment to obtain a set of userdefined gestures in the soldering task to find out properties and patterns of a gesture for future development of our research. 152 gestures were collected from 19 participants by presenting the "effect" of the gesture (robotic arm movement), and then asking the participants to perform its "cause" (a user-defined gesture). The analyzed data shows that hands are the most used body parts even they are occupied by the task, that one-hand and two-hands gestures were used interchangeably by the participants, that the majority of the participants performed reversible gestures for reversible movements, and that the participants were expecting for better recognition performance on an easier to plan gesture. Our finding can be useful as a guideline for creating gesture set and system for controlling robotic arms based on natural behavior of users. © 2012 IEEE.

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Embodiment of an agent by anthropomorphization of a common object.

Hirotaka Osawa, Yuji Matsuda, Ren Ohmura, Michita Imai

Web Intell. Agent Syst. (IOS Press) 10 ( 3 ) 345 - 358 2012

Joint Work, Lead author, Corresponding author, Accepted, ISSN 1570-1263

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Pygmy: a ring-shaped robotic device that promotes the presence of an agent on human hand.

Masa Ogata, Yuta Sugiura, Hirotaka Osawa, Michita Imai

APCHI'12 - Proceedings of the 2012 Asia Pacific Conference on Computer-Human Interaction (ACM) 85 - 92 2012

Joint Work, Accepted

The human hand is an appropriate part to attach an agent robot. Pygmy is an anthropomorphic device that produces a presence on a human hand by magnifying the fingerexpressions. This device is in trial to develop an interaction model of an agent on the hand. It is based on the concept of hand anthropomorphism and uses finger movements to create the anthropomorphic effect. Wearing the device is similar to having eyes and a mouth on the hand
the wearer's hand spontaneously expresses the agent's presence with the emotions conveyed by the eyes and mouth. Interactive manipulation by controllers and sensors make the hand look animated. We observed that the character animated with the device provided user collaboration and interaction as though there were a living thing on the user's hand. Further, the users play with the device by representing characters animated with Pygmy as their doubles. Copyright 2012 ACM.

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