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Language：Others   Publishing type：Research paper (other academic)  

DOI： 10.1145/3532721.3535563

Scopus

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Other Link： https://dblp.uni-trier.de/db/conf/siggraph/siggraph2022et.html#TakenawaKYFN22

Language：English   Publishing type：Research paper (other academic)  

Comparing World and Screen Coordinate Systems in Optical See-Through Head-Mounted Displays for Text Readability while Walking.

DOI： 10.1109/ISMAR50242.2020.00093

Language：Others   Publishing type：Research paper (other academic)  

DOI： 10.1145/3415255.3422883

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

Suppression of floating image degradation using a mechanical vibration of a dihedral corner reflector array
Dihedral corner reflector arrays (DCRAs) are imaging devices that form real images and are used in a variety of applications, including floating virtual touchscreens and image presentation around physical objects. However, they induce several types of degradations to floating images. It is desirable to suppress these degradations to provide better viewing experiences. This paper proposes a method of suppressing degradations which appear as high-frequency noise by using mechanical vibration. The effects of vibrating the DCRA were confirmed through an analysis of the floating image quality in the frequency domain. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

DOI： 10.1364/OE.406005

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1145/3388534.3407305

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

DOI： 10.1145/3369824

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

EmoTan: enhanced flashcards for second language vocabulary learning with emotional binaural narration
We report on the design and evaluation of a flashcard application, enhanced with emotional binaural narration to support second language (L2) vocabulary learning. Typically, the voice narration used in English vocabulary learning is recorded by native speakers with a standard accent to ensure accurate pronunciation and clarity. However, a clear but monotonous narration may not always aid learners in retaining new vocabulary items in their semantic memory. As such, enhancing textual flashcards with emotional narration in the learner's native language can foster the retention of new L2 words in episodic rather than semantic memory as greater emotive expression reinforces episodic memory retention. We evaluated the effects of binaural emotive narration with traditional textual flashcards on L2 word retention (immediate and delayed) in laboratory experiments with native Japanese-speaking English learners. Our results suggest that the learners were able to retain approximately 60% more L2 words long-term with the proposed approach compared to traditional flashcards.

DOI： 10.1186/s41039-019-0109-0

Authorship：Last author   Language：English   Publishing type：Research paper (international conference proceedings)   Publisher：16th International Congress on Advanced Applied Informatics (IIAI AAI 2024)  

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Authorship：Last author   Language：English   Publishing type：Research paper (international conference proceedings)   Publisher：ASSET Symposium in conjunction with ACM MobiSys2024  

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Language：English   Publishing type：Research paper (other academic)  

Publisher：MOBISYS 2024 - Proceedings of the 2024 22nd Annual International Conference on Mobile Systems, Applications and Services  

Since office work has become large-scale and diversified in companies or organizations, work engagement and efficiency have been always an important index of a team's or group's evaluation because it is directly connected to their outcomes. In order to identify the group work context, we first need to recognize for what and how long the individual members are spending their time at their desks, but without privacy concerns and underestimation of their actual work. In this paper, we propose and evaluate the base system of personal desk activity recognition by using a low-cost compact WiFi node and its WiFi channel state information (CSI), which can lead to a lightweight group work context identification system. As a result, we achieved 94.2% desk activity recognition accuracy using the on-desk receiver, in recognizing five different classes.

DOI： 10.1145/3643832.3661452

Web of Science

Scopus

Publisher：2024 8th International Conference on Robotics, Control and Automation, ICRCA 2024  

Dense video captioning tasks are used to detect interesting events and provide descriptive text for these events from untrimmed videos. This technology has the potential to be used in security surveillance and human care applications. However, current methods often overlook the relationships between objects in the video, which limits their applicability and makes it challenging to adapt them to specific domains, such as video summarization for indoor human activities. In these scenarios, human activities are closely intertwined with the objects in the scene. In this paper, we propose a plug-and-play module designed to enhance existing dense video captioning methods with spatial information. Specifically, we extract spatial information about the interesting objects using Red-Green-Blue-Depth (RGB-D) images and the results of image segmentation. We then integrate this information into the captions generated by the Dense Video Captioning (DVC) method using a fine-tuned Large Language Model (LLM). We evaluate the performance of our model on a custom dataset and demonstrate that our system provides a convenient and effective approach for obtaining space-enhanced captions.

DOI： 10.1109/ICRCA60878.2024.10649311

Scopus

Language：Others   Publishing type：Research paper (other academic)  

DOI： 10.23919/icmu58504.2023.10412218

Language：Others   Publishing type：Research paper (other academic)   Publisher：IEEE  

DOI： 10.1109/ictai59109.2023.00013

Web of Science

Scopus

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Publisher：30th International Conference on Computers in Education Conference, ICCE 2022 - Proceedings  

The English Picture Dictionary is a dictionary of stock pictures that represent meanings of English words. Following this, our aim was to create an audio repository of stock sounds that similarly represent meanings of English words. To effectively express the meaning of various English words through sound, we used binaural recording technology. For example, when recording the word "fetch, " it was represented as a sound movement by moving a dummy microphone head from side to side, while pronouncing the word. This paper reports the results of a comparison between the effects of binaural and monaural audio on the learning of English vocabulary.

Scopus

Language：Others   Publishing type：Research paper (other academic)  

DOI： 10.1145/3526114.3558672

Web of Science

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Other Link： https://dblp.uni-trier.de/db/conf/uist/uist2022a.html#KakuiAHFN22

Language：English   Publishing type：Research paper (other academic)   Publisher：IEEE  

We propose "AIR-range"- a system that seamlessly connects mid-air images from the surface of a table to mid-air space. This system can display tall mid-air images in the three-dimensional (3D) space beyond the screen. AIR-range is implemented using a symmetrical mirror structure that displays a large image by integrating multiple imaging paths. The mirror arrangement in previous research had a problem in that the luminance was discontinuous. In this study, we theorize the relationship between the parameters of optical elements and the appearance of mid-air images and optimize an optical system to minimize the difference in luminance between image paths.

DOI： 10.1109/VRW55335.2022.00212

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Other Link： https://dblp.uni-trier.de/db/conf/vr/vr2022w.html#KikuchiYFSN22

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

Imperceptible Color Vibration for Screen-Camera Communication via 2D Binary Pattern
Communication between screens and cameras has attracted attention as a ubiquitous information source, motivated by the widespread use of smartphones and the increase of public information screens. The method that encodes data into visible patterns impairs the user's visual experience. Previously, embedding matrix barcodes into images on displays by utilizing imperceptible color vibration was proposed. In this approach, the visual experience is maintained considering that barcodes are imperceptible, and it can be implemented on almost any display and camera. Herein, we describe a sophisticated modulation protocol and restoration procedure whereby device characteristics such as the display's gamma feature and the smartphone's rolling shutter are taken into consideration. Extensive experiments reveal the parameters for the modulation and that this system works under practical situations. In addition, scenarios of potential practical applications and a user study examining imperceptibility of barcodes and usability of the system are presented to illustrate the technological capabilities.

DOI： 10.3169/mta.8.170

Language：Others   Publishing type：Research paper (other academic)  

DOI： 10.1145/3355049.3360538

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

Dynamic PVLC: Pixel-level Visible Light Communication Projector with Interactive Update of Images and Data
We previously studied methods leveraging pixel-level visible light communication (PVLC) that embeds imperceptible information for human eyes in each pixel of an image. The PC computation load and amount of data transferred between the PC and projector in previous PVLC systems were excessive because the PC executed both the video and data encoding processes. As a result, it was impossible to achieve both high-dynamic-range images and dynamic updates of the images and data. In this paper, we propose a dynamic PVLC system that offers high video quality and interactively updates the PVLC information through hardware encoding processing. Our system can project a 24-bit gradation color PVLC video that contains 64-bit data at 120 fps by synchronously controlling the ON/OFF states of the DMD and LED light sources at the given performance limit of the projector.

DOI： 10.3169/mta.7.160

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

PILC Projector: Image Projection With Pixel-Level Infrared Light Communication
Invisible-light communication between a projector and multiple devices on the projection plane enables humancomputer interaction applications such as movable displays and pointing devices. In this paper, we propose a pixel-level infrared light communication (PILC) projector that can project rich, invisible position-dependent information on high-contrast, full-color visible images. Although previous methods for such communication sacrificed the image quality, the amount of information, or other features, our method meets all the requirements by adding an infrared light source to a full-color DLP projector. This system alternately projects visible images and invisible data sequences with visible and infrared light, respectively. As proof of concept, we built a functional prototype and confirmed that its image contrast is more than 60 times that of a previous method while maintaining pixel-level position accuracy. In addition, we investigated flicker-perception rates in response to different amounts of embedded information and discovered that we could send rich information (up to approximately 2 kbps) with imperceptible flicker. Finally, we built a tabletop application with the proposed system, in which users can simultaneously see both an aerial photograph and a map through movable displays.

DOI： 10.1109/ACCESS.2019.2950068

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

DOI： 10.1109/ACCESS.2019.2921580

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1145/3311823.3311866

Language：English   Publishing type：Research paper (other academic)  

Design of Enhanced Flashcards for Second Language Vocabulary Learning with Emotional Binaural Narration.
In this paper, we report on the design of a flashcard application with which learners experience the meaning of written words with emotional binaural voice narrations to enhance second language vocabulary learning. Typically, voice used in English vocabulary learning is recorded by a native speaker with no accent, and it aims for accurate pronunciation and clarity. However, the voice can also be flat and monotonous, and it can be difficult for learners to retain the new vocabulary in the semantic memory. Enhancing textual flashcards with emotional narration in the learner's native language helps the retention of new second language vocabulary items in the episodic memory instead of the semantic memory. Further, greater emotionality in the narration reinforces the retention of episodic memory.

DOI： 10.1145/3311823.3311867

Language：English   Publishing type：Research paper (other academic)  

PILC Projector: RGB-IR Projector for Pixel-level Infrared Light Communication
The projection of invisible data on visible images can facilitate seamless interactive projection, since data embedded in regular images is unobtrusive to human viewers. However, the previous techniques sacrificed one of the following key goals: 1) calibration-free setup; 2) full-color projection; or 3) high contrast image. In this paper, we propose a Pixel-level Infrared Light Communication (PILC) projector that achieves all these requirements by adding an infrared light source to the full-color projector. To provide a proof of concept, we built a functional prototype, evaluated its performance, and presented a basic application.

DOI： 10.1109/VR.2019.8797714

Language：English   Publishing type：Research paper (other academic)  

Pixel-level Visible Light Communication Projector with Interactive Update of Images and Data

Language：English   Publishing type：Research paper (other academic)  

Screen-Camera Communication via Matrix Barcode Utilizing Imperceptible Color Vibration.
Communication between screens and cameras has attracted attention as a ubiquitous information source, motivated by the widespread use of smartphones and the increase of public advertising and information screens. We propose embedding matrix barcodes into images projected on displays by utilizing imperceptible color vibration. This approach maintains the visual experience as the barcodes are imperceptible and can be implemented on almost any display and camera for the technology to be pervasive. In fact, the color vibration can be generated by ordinary 60 Hz LCDs and captured by 120 fps smartphone cameras. To illustrate the technology capabilities, we present scenarios of potential practical applications.

DOI： 10.1145/3266037.3271638

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

Phygital Field: an Integrated Field with Physical Robots and Digital Images using Projection-based Localization and Control Method

Language：Others  

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1145/3027063.3053074

Language：Others  

DOI： 10.1007/978-4-431-56535-2_6

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

DOI： 10.1016/j.entcom.2016.11.004

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1109/SII.2016.7844108

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1145/2957276.2996287

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1145/2957276.2996285

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1145/2988240.2988242

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1145/2851581.2892418

Language：Japanese  

PVLC (Pixel-level Visible Light Communication) is a method that can embed human-imperceptible metadata in projected images with high-speed flickering. A significant advantage of the method is that no displacement or offset problems occur without a separate position measurement step. However, previous projection systems utilize PVLC can update neither invisible data nor visible images in real time due to its technical limitation. To solve this problem, we propose RPVLC (Reconfigurable Pixel-level Visible Light Communication) system that can update the data and the images dynamically, reconfigure the trade-off between image frame rate and image resolution, and control full color LED light source. In this paper, RPVLC system design, method, implementation, and its performance evaluations are detailed.

DOI： 10.18974/tvrsj.21.1_197

Language：Japanese  

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1145/2875194.2875199

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1145/2782782.2792485

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1145/2782782.2792485

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1145/2787626.2792604

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1145/2702613.2732721

Language：Japanese  

Most people often experience music with accompanying emotion in every day of their lives, and the emotion sometimes become critical in determining the quality of the music experience. The goal of this paper is to enrich quality of the music experience with directly facilitating the emotion. To facilitate emotion in music, this paper presents a method that simultaneously presents sound and skin sensation to the pinna. The emotion enhancement effect of the method is evaluated in user studies, and the effect was compared between the other body parts (back, arms, fingers). The findings show that the method can enhance emotion that induces sympathetic nerve activity, and pinna is one of the most effective parts to enhance the sympathetic emotion.

DOI： 10.18974/tvrsj.19.4_467

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1117/12.2041936

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1109/ICAT.2013.6728919

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1145/2468356.2468428

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1109/WHC.2013.6548406

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1109/WHC.2013.6548487

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1145/2468356.2468594

Language：English   Publishing type：Research paper (other academic)  

Optimal selection of electrodes for muscle electrical stimulation using twitching motion measurement
Muscle electrical stimulation envisions a wide range of human augmentation application. However, the applications commonly have issue of optimal electrodes placement. In this paper, we propose a method to select the optimal electrodes placement for finger flexion using twitching motion measurement. We delivered electrical stimulation producing twitching motion and measured the acceleration. By summing and averaging the acceleration waveforms and taking the difference between the maximum and minimum value, we measured the contribution of the electrical stimulation and used it to select the optimal electrodes pair for the movement. Preliminary experiment with four electrodes showed feasibility of our method. Copyright 2013 ACM.

DOI： 10.1145/2459236.2459279

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1109/VR.2013.6549354

Language：English   Publishing type：Research paper (other academic)  

Development of roller-type itch-relief device employing alternating hot and cold stimuli
Painful thermal stimulation is known to inhibit itch, which is a significant problem in many diseases. We focused on thermal grill illusion and synthetic heat, which are well-known phenomena that can generate pain or burning sensation without physical damage
we tried to achieve a similar effect via a harmless-range thermal stimulation. We developed a roller-type itch-relief device. When the device is rolled onto the user's skin, the skin is alternately exposed to hot and cold stimuli. The roller is composed of an aluminum pipe cut into two parts along the longitudinal axis. One part is set to hot and the other is set to cold by embedded Peltier devices. When the device is rolled on the user's skin, the skin is alternately exposed to hot and cold stimuli. In addition, vibration is applied so that a virtual scratching feeling is presented without damage to the skin. We evaluated the device by eliciting an itch using a lactic acid solution and then applying the device. The results showed that the device provides effective temporal relief from itch and that its effect continues for a few minutes. Copyright 2013 ACM.

DOI： 10.1145/2459236.2459244

Language：English   Publishing type：Research paper (other academic)  

Evaluation of a tactile device for augmentation of audiovisual experiences with a pseudo heartbeat
The impression that the viewer has of characters is an important factor affecting the viewer's opinion of audiovisual media, such as movies, television and video games. In particular, when we feel affection toward characters, we sometimes go so far as to identify ourselves as one of them, leading to extreme immersion in the content of the media. Therefore, there is the possibility that content technology can control affective feelings towards characters and create an immersive environment. We propose a device that can be used to facilitate the affection of the user by controlling their positive feelings toward characters in the media content. Previous studies have shown that emotional or physiological states can be altered by the visual and auditory presentation of false heartbeats [1, 2, 3]. However, if these techniques are applied to audiovisual media such as movies, television, or video games, the audio and visual heartbeat cues may interfere with and pollute the audiovisual content. Copyright 2013 ACM.

DOI： 10.1145/2459236.2459282

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1145/2396636.2396694

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1145/2396636.2396692

Language：Others  

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1145/2343456.2343461

Language：Others  

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1007/978-3-642-31401-8_16

Language：Others   Publishing type：Research paper (other academic)  

Facilitation of affection by tactile feedback of false heratbeat.

DOI： 10.1145/2212776.2223796

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1145/2254556.2254689

Language：English   Publishing type：Research paper (other academic)  

Transmission of forearm motion by tangential deformation of the skin
When teaching device handling skills such as those required in calligraphy, sports or surgery, it is important that appropriate arm motion is transmitted from the trainer to the trainee. In this study, we present a novel, wearable haptic device that produces arm motion using force sensation. The device produces skin deformation and a pseudo-force sensation that is similarly to the force produced when the arm is "pulled". The device generates skin deformation in four directions, and in this paper we have evaluated the device using a directions perception experiment. Copyright 2012 ACM.

DOI： 10.1145/2160125.2160141

Language：English   Publishing type：Research paper (other academic)  

Augmentation of kinesthetic sensation by adding "rotary switch feeling" feedback
In sports, dancing and playing music, it is important to achieve correct body movement as it greatly affects performance. However, matching one's movement with ideal movement is fundamentally difficult, because we do not have a detailed perception of our own body movement. In this study, we propose to present "rotary switch feeling" feedback as a new haptic cue. A periodical ticking sensation, like that of a rotary switch, can be presented at each joint so that the user vividly perceives his/her movement. This paper presents a simple mechanical prototype that is attached to the elbow. Copyright 2012 ACM.

DOI： 10.1145/2160125.2160153

Language：English   Publishing type：Research paper (other academic)  

Facilitating a surprised feeling by artificial control of piloerection on the forearm
There have been many proposals that have added haptic stimulation to entertainment content such as music, games, and movies. These technologies enrich the quality of the experiences by improving the reality thereof. In contrast, we present a novel approach to enrich the quality of these experiences by facilitating the emotional feeling evoked by the content. In this paper, we focus on piloerection, which is a kind of involuntary emotional reaction. Our hypothesis is that not only is it an emotional "reaction", but it can also work as an emotional "input" that enhances the emotion itself. We have constructed a device that controls piloerection on the forearm through electrostatic force. Based on a psychophysical experiment, we confirm that the piloerection system enhances the feeling of surprise. Copyright 2012 ACM.

DOI： 10.1145/2160125.2160133

Language：English   Publishing type：Research paper (other academic)  

Looming silhouette: An approaching visual stimulus device for pedestrians to avoid collisions
We are exposed daily to the risk of collision at numerous blind intersections. To avoid the risk of collision, we propose a system that elicits an "approaching sensation" by presenting a visual stimulus. Possible factors for the approaching sensation are the "expansion" and "motion" of a silhouette. We compared the effects of these two factors on the approaching sensation and found that to elicit an approaching sensation, the expansion factor is important, and the motion factor has a certain effect in alarming pedestrians. On the base of this result, we produced a system that presents an expanding and moving silhouette of an approaching pedestrian to the pedestrians user. Copyright 2012 ACM.

DOI： 10.1145/2160125.2160148

Language：English   Publishing type：Research paper (other academic)  

Fingertip Slip Illusion with an Electrocutaneous Display

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1145/2076354.2076370

Language：Japanese  

<p>In this study, we propose a novel communication device for intimate users. We focus on kisses, since kisses are haptic communications that can express deep emotion. We considered that if we mutually present the haptic sensation to each mouth, we can convey the expression of emotion, deepen their relationship. We made a first prototype using water-balloons, and a second prototype using bended rods. We also conducted an experiment to evaluate the effect of the device to the relationship between users, by measuring frequencies of eye-contact and smiles, and confirmed the effectiveness of our device.</p>

DOI： 10.11184/his.13.4_335

Language：Japanese  

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1145/2046396.2046429

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1109/WHC.2011.5945508

Language：English   Publishing type：Research paper (other academic)  

Weight illusion by tangential deformation of forearm skin
When we perform exercise or undergo rehabilitation, it is helpful to be supported by another person. To get this support, we normally take hold of a person's arm, and pull it. In this paper, we investigate the use of a special device to produce a "pulling arm" sensation on the forearm. Using a weight comparison task, we performed an experiment to confirm the sensation of illusory external force with our device. We concluded that our current device presented about 10g to 20g weight perception. Copyright © 2011 ACM.

DOI： 10.1145/1959826.1959836

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1145/2048259.2048280

Language：English   Publishing type：Research paper (other academic)  

"Vection Field" for pedestrian traffic control
Visual signs and audio cues are commonly used for pedestrian control in the field of general traffic research. Because pedestrians need to first acquire and then recognize such cues, time delays invariably occur between cognition and action. To better cope with this issue of delays, wearable devices have been proposed to control pedestrians more intuitively. However, the attaching and removing of the devices can be cumbersome and impractical. In this study, we propose a new visual navigation method for pedestrians using a "Vection Field" in which the optical flow is presented on the ground. The optical flow is presented using a lenticular lens, a passive optical element that generates a visual stimulus based on a pedestrian's movement without an electrical power supply. In this paper we present a design for the fundamental visual stimulus and evaluate the principle of our proposed method for directional navigation. Results revealed that the optical-flow of a stripe and random-dot pattern displaced pedestrian pathways significantly, and that implementation with a lenticular lens is feasible. Copyright 2011 ACM.

DOI： 10.1145/1959826.1959845

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DOI： 10.1145/1900354.1900400

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DOI： 10.1145/1866218.1866248

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DOI： 10.1145/1753846.1754027

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Pull-navi: a novel tactile navigation interface by pulling the ears.

DOI： 10.1145/1597956.1597975

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1109/SICE.2008.4654699

Language：Others   Publishing type：Research paper (other academic)  

Ants in the Pants.

DOI： 10.1145/1401615.1401618

Language：English   Publishing type：Research paper (other academic)  

DOI： 10.1145/1358628.1358933

Language：Japanese  

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Harmonized Inter-Personal Display Project

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Harmonized Inter-Personal Display Project

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J-GLOBAL

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J-GLOBAL

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J-GLOBAL

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J-GLOBAL

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J-GLOBAL

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グループワークにPCを持ち込んだ場合,議論が活発に行われにくいという問題がある.そこで,我々はPCの背面にサブディスプレイを置き,お互いのPC画面を複製し合うことで情報共有を行うシステムを開発し,グループワーク講義において実践してきた.ただし,これまでのシステムは,ネットワーク負荷や画面の切り替えができないことなど実践環境での問題があった.本稿では,この問題を解決するシステムを実装し,昨年度と同様のグループワーク講義において,このシステムを実践的に運用した.

Language：Japanese  

グループワークにPCを持ち込んだ場合,議論が活発に行われにくいという問題がある.そこで,我々はPCの背面にサブディスプレイを置き,お互いのPC画面を複製し合うことで情報共有を行うシステムを開発し,グループワーク講義において実践してきた.ただし,これまでのシステムは,ネットワーク負荷や画面の切り替えができないことなど実践環境での問題があった.本稿では,この問題を解決するシステムを実装し,昨年度と同様のグループワーク講義において,このシステムを実践的に運用した.

Language：Japanese  

DOI： 10.7210/jrsj.32.692

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グループワークなどの複数人でウェブ検索を行う場面において,コミュニケーションの活発化・検索効率向上を目的とする研究がされてきた.特に,Inter-Personal Browsing(IPB)はPC利用により生じる対面コミュニケーションの欠落を解決するシステムである.本稿では対面コミュニケーションをさらに活発化するために,現在のウェブ画面を共有する機能に加えて,ウェブ閲覧の履歴を共有するシステムRound-Table Browsingを開発し,大学講義で実践利用した結果を報告する.

Language：Japanese  

複数のプロジェクタを連携して動作させることで,投影像の大画面化や新たな映像インタラクションを生み出すマルチプロジェクションの試みがなされている.そこに,投影画像にピクセル単位で光の点滅による不可視ビット情報を埋め込む可視光通信プロジェクタを導入し,マルチプロジェクションに応用する試みを我々は行っている.複数台の可視光通信プロジェクタで投影像とビット情報をそれぞれ多重化することで,マルチプロジェクション環境に新たな機能を付加できると考える.本稿では,可視光通信プロジェクタの多重化手法を提案した上で,基礎的な条件下における各多重化手法の実現可能性・適切なパラメータの調査を目的とした実験を行い,今後のアプリケーション化に向けた考察を行う.

Language：Japanese  

Language：Japanese  

グループワークなどの複数人でウェブ検索を行う場面において,コミュニケーションの活発化・検索効率向上を目的とする研究がされてきた.特に,Inter-Personal Browsing(IPB)はPC利用により生じる対面コミュニケーションの欠落を解決するシステムである.本稿では対面コミュニケーションをさらに活発化するために,現在のウェブ画面を共有する機能に加えて,ウェブ閲覧の履歴を共有するシステムRound-Table Browsingを開発し,大学講義で実践利用した結果を報告する.

Language：Japanese  

複数のプロジェクタを連携して動作させることで,投影像の大画面化や新たな映像インタラクションを生み出すマルチプロジェクションの試みがなされている.そこに,投影画像にピクセル単位で光の点滅による不可視ビット情報を埋め込む可視光通信プロジェクタを導入し,マルチプロジェクションに応用する試みを我々は行っている.複数台の可視光通信プロジェクタで投影像とビット情報をそれぞれ多重化することで,マルチプロジェクション環境に新たな機能を付加できると考える.本稿では,可視光通信プロジェクタの多重化手法を提案した上で,基礎的な条件下における各多重化手法の実現可能性・適切なパラメータの調査を目的とした実験を行い,今後のアプリケーション化に向けた考察を行う.

Language：Japanese  

The impression of food can be affected by "rendition"-i.e., the surrounding environment such as the appearance of the food and the dish-not just by its taste. We focused on the sound and vibration of liquid being poured from a Japanese Sake bottle as a haptic rendition of liquid. We expect that these sounds and vibrations affect the subjective impression of the liquid in the bottle. To examine this idea, we propose a method that reproduces the vibration of being poured liquid from a Japanese Sake bottle by measuring and modeling real vibrations. We measured the vibration of water by tilting a Sake bottle, and created a model consisting of two decaying sinusoidal waves with different frequencies. By measuring and modeling the vibration of different liquids with various viscosities, we found that subjective viscosity can be represented by modulating amplitudes of the two decaying waves.

Language：Japanese  

With the aim of augmenting auditory sensation by tactile stimuli, we investigated cross-modal relationships between the two modalities, focusing on frequency. The results showed that frequency consonance between tactile and audio stimuli may depend on the relationship between harmonics, in manner similar to auditory waves, but with broader peaks.

Language：Japanese  

Painful thermal stimulation is known to relieve itch, which is a significant problem in many diseases. We focused on thermal grill illusion and synthetic heat, which are well-known phenomena that can generate pain or burning sensation without physical damage; we tried to achieve a similar effect via a harmless-range thermal stimulation. We developed a roller-type itch-relief device. When the device is rolled onto the user&#039;s skin, the skin is alternately exposed to hot and cold stimuli. The roller is composed of aluminum parts. One part is set to hot and the other is set to cold by embedded Peltier devices. When the device is rolled on the user&#039;s skin, the skin is alternately exposed to hot and cold stimuli. In addition, vibration is applied so that a virtual scratching feeling is presented without damage to the skin. We evaluated the device by eliciting an itch using a lactic acid solution and then applying the device. The results showed that the device provides effective temporal relief from itch and that its effect continues for a few minutes.

Language：Japanese  

The impression of food can be affected by "rendition"-i.e., the surrounding environment such as the appearance of the food and the dish-not just by its taste. We focused on the sound and vibration of liquid being poured from a Japanese Sake bottle as a haptic rendition of liquid. We expect that these sounds and vibrations affect the subjective impression of the liquid in the bottle. To examine this idea, we propose a method that reproduces the vibration of being poured liquid from a Japanese Sake bottle by measuring and modeling real vibrations. We measured the vibration of water by tilting a Sake bottle, and created a model consisting of two decaying sinusoidal waves with different frequencies. By measuring and modeling the vibration of different liquids with various viscosities, we found that subjective viscosity can be represented by modulating amplitudes of the two decaying waves.

Language：Japanese  

Muscle electrical stimulation envisions a wide range of human augmentation application. However, the applications commonly have the issue of optimal electrode placement. The electrode moves according to the body position; thereby, the calibration of the optimal electrode placement is needed every time the body moves. In this paper, we propose a method to select an optimal electrode pair for finger flexion using twitching motion measurement. We delivered electrical stimulation producing twitching motion via four electrode pairs and measured the acceleration. Using the acceleration value, we selected the optimal electrode pair that twitched the finger the most. Preliminary experiment with four electrodes showed feasibility of our method.

Language：Japanese  

Characters with body materials that are different from that of humans, such as metal robots or rubber people, frequently appear in movies and comics. While the abilities of their synthetic bodies can be easily observed from their actions, their somatic sensations are more difficult to appreciate. Our aim in this work is to simulate the alteration of the material of the human body by means of reality-based vibrotactile feedback. The feedback represents the properties of the materials and is periodically applied to the elbow joint in synchrony with the elbow angle. This simulated sensation of having a different body material gives us the feeling of those characters. This technique can also be applied to improve maneuverability in the teleoperation of master-slave systems because it gives the operator a robot-like sensation.

Language：Japanese  

Muscle electrical stimulation envisions a wide range of human augmentation application. However, the applications commonly have the issue of optimal electrode placement. The electrode moves according to the body position; thereby, the calibration of the optimal electrode placement is needed every time the body moves. In this paper, we propose a method to select an optimal electrode pair for finger flexion using twitching motion measurement. We delivered electrical stimulation producing twitching motion via four electrode pairs and measured the acceleration. Using the acceleration value, we selected the optimal electrode pair that twitched the finger the most. Preliminary experiment with four electrodes showed feasibility of our method.

Language：Japanese  

Characters with body materials that are different from that of humans, such as metal robots or rubber people, frequently appear in movies and comics. While the abilities of their synthetic bodies can be easily observed from their actions, their somatic sensations are more difficult to appreciate. Our aim in this work is to simulate the alteration of the material of the human body by means of reality-based vibrotactile feedback. The feedback represents the properties of the materials and is periodically applied to the elbow joint in synchrony with the elbow angle. This simulated sensation of having a different body material gives us the feeling of those characters. This technique can also be applied to improve maneuverability in the teleoperation of master-slave systems because it gives the operator a robot-like sensation.

Language：Japanese  

With the aim of augmenting auditory sensation by tactile stimuli, we investigated cross-modal relationships between the two modalities, focusing on frequency. The results showed that frequency consonance between tactile and audio stimuli may depend on the relationship between harmonics, in manner similar to auditory waves, but with broader peaks.

Language：Japanese  

Painful thermal stimulation is known to relieve itch, which is a significant problem in many diseases. We focused on thermal grill illusion and synthetic heat, which are well-known phenomena that can generate pain or burning sensation without physical damage; we tried to achieve a similar effect via a harmless-range thermal stimulation. We developed a roller-type itch-relief device. When the device is rolled onto the user&#039;s skin, the skin is alternately exposed to hot and cold stimuli. The roller is composed of aluminum parts. One part is set to hot and the other is set to cold by embedded Peltier devices. When the device is rolled on the user&#039;s skin, the skin is alternately exposed to hot and cold stimuli. In addition, vibration is applied so that a virtual scratching feeling is presented without damage to the skin. We evaluated the device by eliciting an itch using a lactic acid solution and then applying the device. The results showed that the device provides effective temporal relief from itch and that its effect continues for a few minutes.

Language：Japanese  

The impression of food can be affected by "rendition"-i.e., the surrounding environment such as the appearance of the food and the dish-not just by its taste. We focused on the sound and vibration of liquid being poured from a Japanese Sake bottle as a haptic rendition of liquid. We expect that these sounds and vibrations affect the subjective impression of the liquid in the bottle. To examine this idea, we propose a method that reproduces the vibration of being poured liquid from a Japanese Sake bottle by measuring and modeling real vibrations. We measured the vibration of water by tilting a Sake bottle, and created a model consisting of two decaying sinusoidal waves with different frequencies. By measuring and modeling the vibration of different liquids with various viscosities, we found that subjective viscosity can be represented by modulating amplitudes of the two decaying waves.

Language：Japanese  

Language：Japanese  

Language：Japanese  

Language：Japanese  

Language：Japanese  

Language：Japanese  

Muscle electrical stimulation envisions a wide range of human augmentation application. However, the applications commonly have the issue of optimal electrode placement. The electrode moves according to the body position; thereby, the calibration of the optimal electrode placement is needed every time the body moves. In this paper, we propose a method to select an optimal electrode pair for finger flexion using twitching motion measurement. We delivered electrical stimulation producing twitching motion via four electrode pairs and measured the acceleration. Using the acceleration value, we selected the optimal electrode pair that twitched the finger the most. Preliminary experiment with four electrodes showed feasibility of our method.

Language：Japanese  

Characters with body materials that are different from that of humans, such as metal robots or rubber people, frequently appear in movies and comics. While the abilities of their synthetic bodies can be easily observed from their actions, their somatic sensations are more difficult to appreciate. Our aim in this work is to simulate the alteration of the material of the human body by means of reality-based vibrotactile feedback. The feedback represents the properties of the materials and is periodically applied to the elbow joint in synchrony with the elbow angle. This simulated sensation of having a different body material gives us the feeling of those characters. This technique can also be applied to improve maneuverability in the teleoperation of master-slave systems because it gives the operator a robot-like sensation.

Language：Japanese  

With the aim of augmenting auditory sensation by tactile stimuli, we investigated cross-modal relationships between the two modalities, focusing on frequency. The results showed that frequency consonance between tactile and audio stimuli may depend on the relationship between harmonics, in manner similar to auditory waves, but with broader peaks.

Language：Japanese  

Painful thermal stimulation is known to relieve itch, which is a significant problem in many diseases. We focused on thermal grill illusion and synthetic heat, which are well-known phenomena that can generate pain or burning sensation without physical damage; we tried to achieve a similar effect via a harmless-range thermal stimulation. We developed a roller-type itch-relief device. When the device is rolled onto the user&#039;s skin, the skin is alternately exposed to hot and cold stimuli. The roller is composed of aluminum parts. One part is set to hot and the other is set to cold by embedded Peltier devices. When the device is rolled on the user&#039;s skin, the skin is alternately exposed to hot and cold stimuli. In addition, vibration is applied so that a virtual scratching feeling is presented without damage to the skin. We evaluated the device by eliciting an itch using a lactic acid solution and then applying the device. The results showed that the device provides effective temporal relief from itch and that its effect continues for a few minutes.

Language：English  

DOI： 10.1145/2468356.2468594

Language：English  

PC の入力手法として提案されている視線入力は，ディスプレイ上の視点位置をカーソル座標として用いることで手を使わない操作が可能となるが，ボタン等の選択動作が視線移動と区別されにくいという問題が存在する．そこで我々は，開散性眼球運動を計測することで画面奥行き方向への視点移動を検出し，その奥行き方向への移動を選択動作とする手法を提案する．本稿では，ボタン押し込み動作における提案手法の有用性を従来手法と比較した．Gaze input interface offers hands-free operation by using the view point position as the cursor coordinates on the display. However, it has a problem that the selecting operation of the button is undistinguishable from viewing eye movement. We propose a new input method by measuring the divergence eye movement, so that when the users move their viewpoints forward, the button is naturally "pressed". In this paper, we compared this method with conventional method by selection task and evaluated the effectiveness of the proposed method.

DOI： 10.1145/2468356.2468594

Language：Japanese  

視覚障害者のための電子歩行補助デバイスが数多く開発されてきたが,多くの場合一点のみをセンシングするため環境全体を把握するためには長時間の走査運動を必要としていた.そこで本研究では,ライン状の奥行き距離センシングとピンアレイ式二次元触覚ディスプレイを用いて奥行き方向の断面を呈示する歩行補助デバイスを提案する.既存の歩行補助装置と本提案装置の比較実験により本提案装置で効率よく障害物を検知できることを示す.

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タッチパネルを搭載した携帯端末が近年急激に普及しているが,このタッチパネルは触覚フィードバックが欠けているためにテキスト入力が難しいという問題を抱えている.この問題に対して,本研究ではキーの境界線に段差がついたシートと視触覚クロスモーダル現象を用いることで,タッチパネルに触覚フィードバックを簡便に付加する手法を提案する.本稿では提案手法により付加される触覚フィードバックがテキスト入力パフォーマンスに与える効果を検証した実験,そして視触覚クロスモーダル現象によってヒトの知覚量がどの程度変化するかを検証した実験について述べる.

Language：Japanese  

Language：Japanese  

視覚障害者のための電子歩行補助デバイスが数多く開発されてきたが,多くの場合一点のみをセンシングするため環境全体を把握するためには長時間の走査運動を必要としていた.そこで本研究では,ライン状の奥行き距離センシングとピンアレイ式二次元触覚ディスプレイを用いて奥行き方向の断面を呈示する歩行補助デバイスを提案する.既存の歩行補助装置と本提案装置の比較実験により本提案装置で効率よく障害物を検知できることを示す.

Language：Japanese  

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タッチパネルを搭載した携帯端末が近年急激に普及しているが,このタッチパネルは触覚フィードバックが欠けているためにテキスト入力が難しいという問題を抱えている.この問題に対して,本研究ではキーの境界線に段差がついたシートと視触覚クロスモーダル現象を用いることで,タッチパネルに触覚フィードバックを簡便に付加する手法を提案する.本稿では提案手法により付加される触覚フィードバックがテキスト入力パフォーマンスに与える効果を検証した実験,そして視触覚クロスモーダル現象によってヒトの知覚量がどの程度変化するかを検証した実験について述べる.

Language：Japanese  

Language：Japanese  

PC の入力手法として提案されている視線入力は，ディスプレイ上の視点位置をカーソル座標として用いることで手を使わない操作が可能となるが，ボタン等の選択動作が視線移動と区別されにくいという問題が存在する．そこで我々は，開散性眼球運動を計測することで画面奥行き方向への視点移動を検出し，その奥行き方向への移動を選択動作とする手法を提案する．本稿では，ボタン押し込み動作における提案手法の有用性を従来手法と比較した．Gaze input interface offers hands-free operation by using the view point position as the cursor coordinates on the display. However, it has a problem that the selecting operation of the button is undistinguishable from viewing eye movement. We propose a new input method by measuring the divergence eye movement, so that when the users move their viewpoints forward, the button is naturally "pressed". In this paper, we compared this method with conventional method by selection task and evaluated the effectiveness of the proposed method.

Language：Japanese  

PC の入力手法として提案されている視線入力は，ディスプレイ上の視点位置をカーソル座標として用いることで手を使わない操作が可能となるが，ボタン等の選択動作が視線移動と区別されにくいという問題が存在する．そこで我々は，開散性眼球運動を計測することで画面奥行き方向への視点移動を検出し，その奥行き方向への移動を選択動作とする手法を提案する．本稿では，ボタン押し込み動作における提案手法の有用性を従来手法と比較した．Gaze input interface offers hands-free operation by using the view point position as the cursor coordinates on the display. However, it has a problem that the selecting operation of the button is undistinguishable from viewing eye movement. We propose a new input method by measuring the divergence eye movement, so that when the users move their viewpoints forward, the button is naturally "pressed". In this paper, we compared this method with conventional method by selection task and evaluated the effectiveness of the proposed method.

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When the heat stimulation is presented to tip of the index finger and the vibratory stimulation is presented to tip of the middle finger, the middle finger is also perceived to be warm. This phenomenon is known as a kind of the thermal illusion called Thermal Referral. To reveal the mechanism of the Thermal Referral, we focused on tactile mechanoreceptors. We varied the frequencies of vibratory stimulation to stimulate different mechanoreceptors, and we evaluate the mechanoreceptors concerned with Thermal Referral.

Language：Japanese  

When the heat stimulation is presented to tip of the index finger and the vibratory stimulation is presented to tip of the middle finger, the middle finger is also perceived to be warm. This phenomenon is known as a kind of the thermal illusion called Thermal Referral. To reveal the mechanism of the Thermal Referral, we focused on tactile mechanoreceptors. We varied the frequencies of vibratory stimulation to stimulate different mechanoreceptors, and we evaluate the mechanoreceptors concerned with Thermal Referral.

Language：Japanese  

When the heat stimulation is presented to tip of the index finger and the vibratory stimulation is presented to tip of the middle finger, the middle finger is also perceived to be warm. This phenomenon is known as a kind of the thermal illusion called Thermal Referral. To reveal the mechanism of the Thermal Referral, we focused on tactile mechanoreceptors. We varied the frequencies of vibratory stimulation to stimulate different mechanoreceptors, and we evaluate the mechanoreceptors concerned with Thermal Referral.

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虫How？とはVR技術を用いて虫が体表面を移動する感覚を再現する触覚インタラクションシステムである。技術的主要素である触覚ディスプレイは既存の振動提示等とは異なり、小型モータでナイロン糸を皮膚に衝突させることにより高速低トルクな虫の歩行を再現している。発表ではシステムの詳細と開発経緯を併せて発表する。

DOI： 10.11487/oukan.2011.0.27.0

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When electrical stimulation constantly presents moving pattern to a finger, and shearing force is applied to the finger simultaneously, the participants feel as if their fingers slip though they do not actually move. We named this phenomenon "slipping illusion", and we proposed a pointing-stick-type GUI input device that applied this phenomenon, hoping that owing to the illusion, it can reproduce operation feeling of touchpad where the finger actually moves. In this paper, we investigated the occurrence condition of the slipping illusion focusing on the directional dependency of fingertip shear force and electrical stimulation flow.

Language：Japanese  

When electrical stimulation constantly presents moving pattern to a finger, and shearing force is applied to the finger simultaneously, the participants feel as if their fingers slip though they do not actually move. We named this phenomenon "slipping illusion", and we proposed a pointing-stick-type GUI input device that applied this phenomenon, hoping that owing to the illusion, it can reproduce operation feeling of touchpad where the finger actually moves. In this paper, we investigated the occurrence condition of the slipping illusion focusing on the directional dependency of fingertip shear force and electrical stimulation flow.

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Language：Japanese  

Language：Japanese  

2008年4月5日から10日の6日間、ACMSIGCHIが主催する国際会議CHI2008(Conference on Human Factor in Computing Systems)が開催された。CHIはHuman-Computer Interactionに関する最高峰の国際会議である。今年は、ルネサンス発祥の地として名高いイタリアのフィレンツェで開催された。フィレンツェは、町の至る所に美術館、教会、石像等があり、また、屋根は赤褐色で統一されており、町全体が一つの美術館のようであった。会場は、「バッソ要塞」(図1)と呼ばれる五角形の大建築物であった。今年の参加登者数は約2300人であった。会議内容の統計は以下通りである。全採択数は582件(全投稿数1969,採択率29.56%)、論文発表は157件(投稿件数714件,採択率22%)、ショートトーク61件(投稿件数341件、採択率18%)であった。なお、全投稿件数はこれまでで最多であった。6日間のうち初めの2日間はプリカンファレンス(Workshops, Doctoral Consortium等)であり、残り4日間がテクニカルプログラムであった。会議初日にはIrene McAra-McWilliam氏によるOpening Plenary、また、最終日には、Bill Boxton氏によるClosing Plenaryが行われた。会議は、毎日朝にその日のセッションの発表者が30秒で自分の発表の広告を行うCHI Madnessというイベントが行われた。その後はPapers/Notes, Case studies、Panel等に加え、デモ展示、企業展示、ポスター発表なども平行して行われた。筆者にとって初めての国際学会であったこともあり、休み時間の間は常にプログラムと睨みあっていた。また、3日目の夜はMicrosoft, Google等のHospitality Events(図2)が行われた。イベント会場内は多くの人で溢れかえっていた。個人的な話で恐縮であるが著者はMicrosoftのイベントでの抽選でZune(80GB)を頂いてしまった。今年は、ベストペーパー7件、ベストノート3件が選ばれた(プログラムの24ページに記載されている。http://www.chi2008.org/program.html) 。

Language：Japanese  

2008年4月5日から10日の6日間、ACMSIGCHIが主催する国際会議CHI2008(Conference on Human Factor in Computing Systems)が開催された。CHIはHuman-Computer Interactionに関する最高峰の国際会議である。今年は、ルネサンス発祥の地として名高いイタリアのフィレンツェで開催された。フィレンツェは、町の至る所に美術館、教会、石像等があり、また、屋根は赤褐色で統一されており、町全体が一つの美術館のようであった。会場は、「バッソ要塞」(図1)と呼ばれる五角形の大建築物であった。今年の参加登者数は約2300人であった。会議内容の統計は以下通りである。全採択数は582件(全投稿数1969,採択率29.56&#37;)、論文発表は157件(投稿件数714件,採択率22&#37;)、ショートトーク61件(投稿件数341件、採択率18&#37;)であった。なお、全投稿件数はこれまでで最多であった。6日間のうち初めの2日間はプリカンファレンス(Workshops, Doctoral Consortium等)であり、残り4日間がテクニカルプログラムであった。会議初日にはIrene McAra-McWilliam氏によるOpening Plenary、また、最終日には、Bill Boxton氏によるClosing Plenaryが行われた。会議は、毎日朝にその日のセッションの発表者が30秒で自分の発表の広告を行うCHI Madnessというイベントが行われた。その後はPapers/Notes, Case studies、Panel等に加え、デモ展示、企業展示、ポスター発表なども平行して行われた。筆者にとって初めての国際学会であったこともあり、休み時間の間は常にプログラムと睨みあっていた。また、3日目の夜はMicrosoft, Google等のHospitality Events(図2)が行われた。イベント会場内は多くの人で溢れかえっていた。個人的な話で恐縮であるが著者はMicrosoftのイベントでの抽選でZune(80GB)を頂いてしまった。今年は、ベストペーパー7件、ベストノート3件が選ばれた(プログラムの24ページに記載されている。http://www.chi2008.org/program.html) 。

Language：Japanese  

2008年4月5日から10日の6日間、ACMSIGCHIが主催する国際会議CHI2008(Conference on Human Factor in Computing Systems)が開催された。CHIはHuman-Computer Interactionに関する最高峰の国際会議である。今年は、ルネサンス発祥の地として名高いイタリアのフィレンツェで開催された。フィレンツェは、町の至る所に美術館、教会、石像等があり、また、屋根は赤褐色で統一されており、町全体が一つの美術館のようであった。会場は、「バッソ要塞」(図1)と呼ばれる五角形の大建築物であった。今年の参加登者数は約2300人であった。会議内容の統計は以下通りである。全採択数は582件(全投稿数1969,採択率29.56%)、論文発表は157件(投稿件数714件,採択率22%)、ショートトーク61件(投稿件数341件、採択率18%)であった。なお、全投稿件数はこれまでで最多であった。6日間のうち初めの2日間はプリカンファレンス(Workshops, Doctoral Consortium等)であり、残り4日間がテクニカルプログラムであった。会議初日にはIrene McAra-McWilliam氏によるOpening Plenary、また、最終日には、Bill Boxton氏によるClosing Plenaryが行われた。会議は、毎日朝にその日のセッションの発表者が30秒で自分の発表の広告を行うCHI Madnessというイベントが行われた。その後はPapers/Notes, Case studies、Panel等に加え、デモ展示、企業展示、ポスター発表なども平行して行われた。筆者にとって初めての国際学会であったこともあり、休み時間の間は常にプログラムと睨みあっていた。また、3日目の夜はMicrosoft, Google等のHospitality Events(図2)が行われた。イベント会場内は多くの人で溢れかえっていた。個人的な話で恐縮であるが著者はMicrosoftのイベントでの抽選でZune(80GB)を頂いてしまった。今年は、ベストペーパー7件、ベストノート3件が選ばれた(プログラムの24ページに記載されている。http://www.chi2008.org/program.html) 。

Language：Japanese  

Type：Peer review 

researchmap

Type：Competition, symposium, etc. 

Type：Competition, symposium, etc. 

Type：Peer review 

researchmap

Type：Peer review 

researchmap

Type：Academic society, research group, etc. 

Type：Competition, symposium, etc. 

Type：Peer review 

researchmap

Type：Peer review 

Number of peer-reviewed articles in foreign language journals：2

Number of peer-reviewed articles in Japanese journals：4

Proceedings of International Conference Number of peer-reviewed papers：2

Type：Competition, symposium, etc. 

Type：Academic society, research group, etc. 

researchmap

Type：Academic society, research group, etc. 

researchmap

Type：Academic society, research group, etc.