Publication statistics

Pub. period:2009-2012
Pub. count:8
Number of co-authors:25



Co-authors

Number of publications with 3 favourite co-authors:

Michita Imai:6
Ren Ohmura:3
Seiji Yamada:2

 

 

Productive colleagues

Hirotaka Osawa's 3 most productive colleagues in number of publications:

Astrid Weiss:22
Seiji Yamada:18
Michita Imai:14
 
 
 

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Hirotaka Osawa

 

Publications by Hirotaka Osawa (bibliography)

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2012
 
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Ogata, Masa, Sugiura, Yuta, Osawa, Hirotaka and Imai, Michita (2012): iRing: intelligent ring using infrared reflection. In: Proceedings of the 2012 ACM Symposium on User Interface Software and Technology 2012. pp. 131-136. Available online

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.

© All rights reserved Ogata et al. and/or ACM Press

2011
 
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Kollar, Thomas, Weiss, Astrid, Monast, Jason, Austermann, Anja, Lu, David, Patel, Mitesh, Gribovskaya, Elena, Datta, Chandan, Kelley, Richard, Osawa, Hirotaka and Lin, Lanny (2011): HRI pioneers workshop 2011. In: Proceedings of the 6th International Conference on Human Robot Interaction 2011. pp. 9-10. Available online

The 2011 HRI Pioneers Workshop will be conducted in conjunction with the 2011 ACM/IEEE International Conference on Human-Robot Interaction (HRI). The 2011 HRI Pioneers Workshop will provide a forum for graduate students and postdocs to learn about the current state of HRI, to present their work and to network with one another and with select senior researchers in a setting that is less formal and more interactive than the main conference. Workshop participants will discuss important issues and open challenges in the field, encouraging the formation of collaborative relationships across disciplines and geographic boundaries.

© All rights reserved Kollar et al. and/or their publisher

 
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Voisin, Thibault, Osawa, Hirotaka, Yamada, Seiji and Imai, Michita (2011): Between real-world and virtual agents: the disembodied robot. In: Proceedings of the 6th International Conference on Human Robot Interaction 2011. pp. 281-282. Available online

In this study, we propose a disembodied real-world agent and the study of the influence of this disembodiment on the social separation between the user and the agent. In order to give a clue to the user about the presence of the robot and to make possible a visual feedback, we decide to use independent robotic body parts that mimic human hands and eyes. This robot is also able to share real-world space with the user, and react to his presence, through 3d detection and oral communication. Thus, we can obtain an agent with an important presence while keeping good space efficiency, and as a result ban any existing social barrier.

© All rights reserved Voisin et al. and/or their publisher

 
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Osawa, Hirotaka, Orszulak, Jarrod, Godfrey, Kathryn M., Yamada, Seiji and Coughlin, Joseph F. (2011): Who explains it?: avoiding the feeling of third-person helpers in auditory instruction for older people. In: Proceedings of the 6th International Conference on Human Robot Interaction 2011. pp. 409-410. Available online

Auditory instruction is a well used method for people of all ages because of its understandability. However the additional voice has the possibility to disturb the user's learning during the instruction because it strongly implies the support of third-person helpers. This risk increases with older people because their confidence in their ability may decline compared to the younger people. The authors propose a method to anthropomorphize an instructed target (a vacuum) to decrease the feeling of a third person during instruction. The authors conducted the experiment using our method to explain features of household appliance and evaluated the relationship between recalled features and older people's internal scale. The results show that older people remembered more features by using our method, and with female participants, their internal scales increased during the training. This demonstrates that our method can decrease the third-person feeling in female participants and increase the amount learned. Our findings suggest that auditory instructions may be an effective learning method for older adults.

© All rights reserved Osawa et al. and/or their publisher

2010
 
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Osawa, Hirotaka, Matsuda, Yuji, Ohmura, Ren and Imai, Michita (2010): Toward the body image horizon: how do users recognize the body of a robot?. In: Proceedings of the 5th ACM/IEEE International Conference on Human Robot Interaction 2010. pp. 179-180. Available online

In this study, we investigated the boundary for recognizing robots. Many anthropomorphic robots are used for interactions with users. These robots show various body forms and appearances, which are recognized by their users. This ability to recognize a variety of robotic appearances suggests that a user can recognize a wide range of imaginary body forms compared with the native human appearance. We attempted to determine the boundary for the recognition of robot appearances. On the basis of our previous studies, we hypothesized that the discrimination of robot appearances depends of the order of the parts. If the body parts of a robot are placed in order from top to bottom, the user can recognize the assembly as a robot body. We performed a human-robot experiment in which we compared the results for robots with ordered parts with those for robots with inverted parts. The result showed that the users' perception of the robot's body differed between the two groups. This result confirms our hypothesized boundary for the recognition of robot appearances.

© All rights reserved Osawa et al. and/or their publisher

2009
 
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Noda, Masato, Osumi, Toshihiro, Fujimoto, Kenta, Kuwayama, Yuki, Osawa, Hirotaka, Imai, Michita and Shinozawa, Kazuhiko (2009): Blog robot: a new style for accessing location-based contents. In: Proceedings of the 4th ACM/IEEE International Conference on Human Robot Interaction 2009. pp. 203-204. Available online

We propose a portable robot named "Blog Robot" which presents blog contents by using verbal and non-verbal expression. Blog Robot is a robotized smart-phone which has a head and arms for making hand gestures, eye contact, and joint attention. The blog is widely used to express personal views or to record daily occurrences. One of the information frequently posted on the blog is related to a certain place such as a tourist site or a shop. Meanwhile, people sit down in front of their PC and check blogs through the text and the image displayed on the Web browser. However, their style of checking the blogs is not good way for them to realize the authentic situations which blog writers let them know. The user carries Blog Robot like cellular phone and can browse blogs related to the location where user is. The browse method makes the user access the blog at the real scene related to the contents of the blog. Blog Robot gives her/him the content of the blog by reading it with synthesized speech. In particular, the nonverbal information generated by Blog Robot enhances the read information as if the blog writer is next her/him while telling her/him it. The browse method is expected to enable the user to obtain more realistic information than the Web browser on the PC. Moreover, it enables the user shares the information with the blog writer. In addition, since the browse through Blog Robot is performed at the location that the blog writer once visited, the blog writer has proper feedback from the user. It is difficult for the blog writer to obtain the same feedback from the user who sits in front of her/his PC because she/he is not there. We have also designed tags specific to generating the nonverbal expression of Blog Robot and the tags are embedded within the text in the blog. The tags can be used not only for Blog Robot but also for the PC. If the user checks the blog including the tags, they are displayed as icon on the Web browser.

© All rights reserved Noda et al. and/or ACM Press

 
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Osawa, Hirotaka, Ohmura, Ren and Imai, Michita (2009): Anthropomorphization method using attachable humanoid parts. In: Proceedings of the 4th ACM/IEEE International Conference on Human Robot Interaction 2009. pp. 207-208. Available online

With this video, we propose a new human-robot interaction that anthropomorphizes a target common object and transform it into a communicative agent using attachable humanoid parts. The user perceives the target to have its own intentions and body image through the attached body parts. This video shows examples of anthropomorphization method as below. First, the video shows the setup process of our method in which a demonstrator attaches each part, such as eye-like parts, arm-like parts, and camera to a common electric oven. The oven becomes a communicative robot by attaching these parts. Second, the video explains three applications -- self advertisement, self presentation, and interactive manual -- that are achieved by anthropomorphized objects. In the self advertisement situation, the anthropomorphized oven attracts customers and explains its function by itself. This situation assumes that these devices are used in shops in future. In the self presentation situation, an anthropomorphized poster explains its contents by itself. There is no other explainer. This situation assumes that these devices are used on a poster presentation. In the interactive manual situation, an anthropomorphized printer explains its function interactively. This explanation is intuitive and understandable for children and elderly people. After third situation, this anthropomorphized printer is compared to an explanation from the humanoid robot Robovie through gaze direction analysis. In the Robovie situation, the guidance fails because the robot distracts from the target itself. However in the anthropomorphized printer situation, users can concentrate on the interaction. Last, we use an anthropomorphized shredder using eye-like parts, arm-like parts, and skin sensor. The shredder explains its interactive manual like in the printer situation. However in this interaction, this shredder detects the user's touch and proceeds with the interaction instead of waiting to detect voice.

© All rights reserved Osawa et al. and/or ACM Press

 
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Osawa, Hirotaka, Ohmura, Ren and Imai, Michita (2009): Self introducing poster using attachable humanoid parts. In: Proceedings of the 4th ACM/IEEE International Conference on Human Robot Interaction 2009. pp. 327-328. Available online

In this paper, we propose new robotics presentation method called, Self Introducing Poster that uses attachable humanoid parts and explains its contents through a self introduction style. Presentation by a conventional robot sometimes fails because the robot presenter is often too attractive and distracts from the presentation itself. In our method, the poster is anthropomorphized and explains its contents. Due to this self presentation, users can more easily understand its meaning because the information's contents and information provider are strongly related. We designed and implemented our system and evaluated it in the field. The results suggest that the self-introducing system is useful for gaining users attention and effectively presenting information.

© All rights reserved Osawa et al. and/or ACM Press

 
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