Faculty Profiles - MAEDA Yoshinobu

MISC - MAEDA Yoshinobu

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Experimental Evaluation of a Speech-Output Type Entertainment Game

MATSUBA Hiroshi, TANI Kentaro, ITO Nao, MAEDA Yoshinobu, NIIKAWA Takuya

IEICE technical report. Welfare Information technology 113 ( 77 ) 7 - 12 2013.6

Language：Japanese Publisher：The Institute of Electronics, Information and Communication Engineers

Amusement-environment of the disabled persons becomes important to improve their stress. So far, we have developed a game, The10-1(Zatouichi), which enables the players (not only the visually impaired but also the sighted) to reduce their stress by means of playing with simple body motions. The features of the game are that the system is composed of simple rules easy to participate in the game, and the progress of the game is based on using only speech. In this technical report, we investigated the players' degree of satisfaction during playing the game, The10-1, by using the flow proposed by Csikszentmihalyi.

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A consideration of efficiency of DTN using monetary exchange

ASAMA Masahito, MASUTA Takashi, MIYAKITA Kazuyuki, MAEDA Yoshinobu, NAKANO Keisuke

IEICE technical report. Communication systems 112 ( 486 ) 137 - 142 2013.3

Language：Japanese Publisher：一般社団法人電子情報通信学会

Delay Tolerant Networks (DTNs)are networks that enable us to exchange information by tolerating a long delay time. DTNs can be applied to various purposes such as disaster communication, regional information dissemination and so on. In this report, we consider to apply DTNs to regional spreading and automatic collection of electronic free papers. As a related work, a model of barter exchange generating the currency, which is called Yasutomi's model, is proposed. In this report, we try to apply this model to the above spreading and collection of electronic free papers. We propose an information-exchange method that utilizes the view vector, which is introduced in Yasutomi's model, and show that the view vector accelerate the spreading of new electronic paper and the collection of 01d electronic paper. In addition, we propose another method to make the above method more effective and evaluate this method.

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Evacuation Behavior Simulation with "Wait" State using Cellular Automaton

YOKOKAWA Kyohei, TANI Kentaro, OGIHARA Sanae, KONISHI Takashi, MAEDA Yoshinobu

IEICE technical report. Communication systems 112 ( 486 ) 111 - 114 2013.3

Language：Japanese Publisher：The Institute of Electronics, Information and Communication Engineers

It is difficult for all evacuees to behave the smooth evacuation, when they are panicked in occurring some disaster. Such a man-made disaster will increase the damage. Evacuees have to give good influence to the global evacuation behavior by means that they evacuate calmly without preceding personal benefit. A lot of computer simulations, especially the multi-agent simulation, or MAS, have tried to clarify the valuable knowledge for the smooth evacuation. We also have made the MAS model on the evacuation behavior, and especially, investigated the influence of the mutual concession of the agents on the global evacuation time. As a result, the global evacuation time was minimized when the a (= the probability of the concession)was in the range between 0.3 and 0.4. If the evacuees give their way to the others by the probability 1/3 , the evacuation time as a whole will be minimized from our study.

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Reproduction of emergence of local currency by monetary exchange model with social network

ITO Nao, TANI Kentaro, MAEDA Yoshinobu

IEICE technical report. Circuits and systems 112 ( 418 ) 15 - 18 2013.1

Language：Japanese Publisher：The Institute of Electronics, Information and Communication Engineers

Recently, local currency has been important in the economic and social viewpoints of local communities. Therefore the investigation of social foundation which local currency is easy to emerge and circulate is important. However the investigation is difficult in the real local community, so in this study we investigate it using multi-agent simulation. We have re-created the circulation of several different of moneys in our simulation model. However the scale and supply of one of those moneys is nearly identical to another one, that is, all those moneys are global money. In this study, in order to emergence the local money which the scale and supply is less than global money, we introduce social network to Yasutomi's model.

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Behavioral analysis of friendship formation using artificial school class game

TATSUTA Atsuya, TANI Kentaro, MAEDA Yoshinobu, KATO Kosuke

IEICE technical report. Circuits and systems 112 ( 418 ) 153 - 158 2013.1

Language：Japanese Publisher：The Institute of Electronics, Information and Communication Engineers

For the last several decade, the bullying problem (peer aggression or victimization) has transformed, from a situation in which a particular bully attacks a particular victim with negative attributes into one in which a bully may become a victim depending on circumstances. There has been tried to solve the bullying problem from educational, medical and sociological viewpoints. We have investigated a mechanism generating the bullying, using an artificial school class model (ACM) based on multi-agent simulation (MAS). Every agent (or student) is programmed so as to make friends with those who have similar interests, hobbies and tastes. In this technical report, a gaming simulation of the ACM, or a serious game, was used to investigate friendship formation, by means of changing one agent to a human player who is the participant in the ACM to interact virtually with other agents. We obtained the results of 11 human players' behaviors observed through the gaming simulation to evaluate the ACM from the viewpoint of, whether or not, behaviors of the agents would be close to those of actual students.

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Development of Entertainment Game using Speech Interface

JIN Li, MURAYAMA Naoki, TANI Kentaro, MAEDA Yoshinobu

IEICE technical report. Circuits and systems 112 ( 418 ) 149 - 152 2013.1

Language：Japanese Publisher：The Institute of Electronics, Information and Communication Engineers

A wide range of assistive technologies to support the visually impaired persons have been developed to enhance the activities of daily living(ADL). However, enhancing not only the ADL but also the quality of life(QOL), such as an entertainment game, is needed to relieve some of their stress. Such games should be developed from the following two viewpoints; One is that the visually impaired persons are on equality with the sighted persons at the game whether they win or not. The other is that the game must be played without visual information by the players, and, as such, must be played using only auditory information as one of the alternative perceptions of the visual cue. In this report, we developed Japanese backgammon-type entertainment game played by four players, so-called, Japanese rotation shogi, using the speeh-output interface for the visually impaired.

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Behavioral Analysis of Task Performance using the Button-Input Interface

Maeda Yoshinobu, Iijima Atsuhiko

IEICE technical report. Welfare Information technology 112 ( 336 ) 25 - 28 2012.12

Language：Japanese Publisher：The Institute of Electronics, Information and Communication Engineers

On the button-input interfaces used in information devices, such as controllers, automatic teller machines (ATM) and ticket machines, we have conducted the experiment using virtual button interface to evaluate the physical workload, or usability. In our experiment, it was formulated a U-shaped curve against increasing the number of buttons, and, as such, must have a unique optimal number of buttons in the sense of reducing the physical workload. Furthermore, we globally analyzed that it was evaluated by two sorts of sub-workload, search and operational workloads on the button input. In this report, we investigated statistical distributions obtained by local behaviors on the button input.

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An Electronic Circuit Design that Controls Four-leg Animal Gaits

KOJIMA HAYATE, KUBOTA MASAHITO, DOMON TATSUSHI, SUZUKI YASUYUKI, NOMURA TAISHIN, MAEDA YOSHINOBU

電子情報通信学会技術研究報告 112 ( 297(MBE2012 45-59) ) 5 - 10 2012.11

Language：Japanese Publisher：一般社団法人電子情報通信学会

This paper addresses hardware modeling of replicating several walking patterns (gaits) observed in four-leg animals. They show a lot of gaits such as walk, trot, bound, etc., depending on their travel velocity. Mathematical modeling has been useful to replicate plausible oscillatory rhythms corresponding to the biological gaits. However, you have to change simultaneously many parameters in such models to switch on some gait from another. In this report, we reproduced four typical gaits (stand, pronk, walk and bound) by designing and constructing a network model using electronic circuits. The remarkable point was that the gait was switchable by an only single parameter in the hardware model. Furthermore, we regulated the bifurcation structure of the hardware model, to adjust to the typical bifurcations observed in the mathematical models.

An Analog Circuit Design Controlling Quadruped Locomotion Patterns

MAEDA YOSHINOBU, KUBOTA MASAHITO, SUZUKI YASUYUKI, NOMURA TAISHIN

電子情報通信学会技術研究報告 112 ( 205(NLP2012 56-75) ) 7 - 12 2012.9

求心性刺激を含むCPGの電子回路設計

久保田真仁, 前田義信, 塚田章

生体医工学シンポジウム2012 2012.9

AS-1-4 Reproduction of emergence and efficiency of local money using multi-agent simulation

Ito Nao, Tani Kentaro, Maeda Yoshinobu

Proceedings of the Society Conference of IEICE 2012 "S - 7"-"S-8" 2012.8

AS-1-6 Consideration of a social dilemma solution by MAS using Q-learning

Tani Kentaro, Ito Nao, Maeda Yoshinobu, Miyakita Kazuyuki, Nakano Keisuke

Proceedings of the Society Conference of IEICE 2012 "S - 11"-"S-12" 2012.8

AS-1-8 AN ANALOG ELECTRONIC CIRCUIT NEURONAL NETWORK CONTROLING QUADRUPEDAL WALKING

Domon Tatsushi, Kubota Masahito, Maeda Yoshinobu, Ichimura Tomoyasu, Tsukada Akira

Proceedings of the Society Conference of IEICE 2012 "S - 15"-"S-16" 2012.8

Influence of the inset-outset alignment change of prosthetic foot to a subjective estimation of the loading position in its sole

SUDA Hironori, HAYASHI Toyohiko, MAEDA Yoshinobu, WATANABE Tetsuya, MAEDA Yu, AGARIE Yukio

IEICE technical report. ME and bio cybernetics 112 ( 123 ) 15 - 20 2012.7

Language：Japanese Publisher：The Institute of Electronics, Information and Communication Engineers

This paper describes a new subjective assessment for the alignment of tibial prosthesis. In the alignment adjustment of the prosthesis, patient's subjective assessment of the loading position in sole is usually used in clinic. Then, we developed an assessment sheet in which patient depicts the loading position in sole during standing statically. The purpose of this study is to clarify the relationship between such assessment and the inset-outset alignment change of prosthetic foot. Experiments employing three patients with trans-tibial amputation revealed that the estimated position of the loading in an appropriate alignment was located nearly on the line segment connecting toe and heel, while the medio-lateral deviation of the alignment shifted the position laterally and medially. Biomechianical parameters showing nearly the same change of the value were merely the mediolateral component of the floor reaction force, which was determined primarily by the geometrical change of the alignment.

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Other Link： http://search.jamas.or.jp/link/ui/2013003683

An Evacuation Behavior Simulation Introduced by Mutual Concessions of Agents

OGIHARA Sanae, TANI Kentaro, MAEDA Yoshinobu

Technical report of IEICE. VLD 112 ( 114 ) 77 - 80 2012.6

Language：Japanese Publisher：The Institute of Electronics, Information and Communication Engineers

It is difficult to behave the smooth evacuation, when the mobs, or the crowds, are panicked in occurring some disaster. The scale of victims does not depend on that of the disaster. Therefore, the people have to behave calmly with each other without being panicked. Because it is difficult to investigate experimentally such the evacuation behavior from a safety aspect and a psychological view point, engineering strategy in terms of computer simulation may be available for clarifying solutions of the evacuation. In this technical report, we considered the evacuation behaviors using multi-agent simulation, especially in the case that the agents behave with mutual concessions. The influence of the mutual concession s among agents on the evacuation of all agents was evaluated.

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An Evacuation Behavior Simulation Introduced by Mutual Concessions of Agents

OGIHARA Sanae, TANI Kentaro, MAEDA Yoshinobu

IEICE technical report. Circuits and systems 112 ( 113 ) 77 - 80 2012.6

Language：Japanese Publisher：The Institute of Electronics, Information and Communication Engineers

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An Evacuation Behavior Simulation Introduced by Mutual Concessions of Agents

OGIHARA Sanae, TANI Kentaro, MAEDA Yoshinobu

Mathematical Systems Science and its Applications : IEICE technical report 112 ( 116 ) 77 - 80 2012.6

Language：Japanese Publisher：The Institute of Electronics, Information and Communication Engineers

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An arthroscopic image-based 2D/3D registration for computer-assisted arthroscopic surgery

NAKAMURA Ryosuke, HAYASHI Toyohiko, OMORI Go, WATANABE Satoshi, MAEDA Yoshinobu, WATANABE Tetsuya

IEICE technical report. ME and bio cybernetics 112 ( 63 ) 23 - 28 2012.5

Language：Japanese Publisher：The Institute of Electronics, Information and Communication Engineers

We developed a computer-assisted system for arthroscopic surgery, which is navigated by means of overlaying a 3D bone model reconstructed from CT images upon the arthroscopic image on a real-time basis. Such overlaying requires the positional relationship between the target bone in the actual space and the bone model in the virtual space. In order to obtain this relationship, we have employed a 2D/3D registration method, where two different fluoroscopic images taken in the directions perpendicular with each other were used. However, it is not necessary to use fluoroscopy in arthroscopic surgery. In order to apply this system to surgery, the development of a new registration method was required. Then, we developed an arthroscopic image-based registration method, where at least three different arthroscopic images of the articular surfaces and corresponding 3D cartilage-model reconstructed from MRI images are used. Experiments carried out under a surgical environment using a bone model revealed that the accuracy of the overlaying would be less than 1 [mm] and less than 3 [deg] on average in translation and rotation, respectively. In the next step, rotational accuracy should be improved to meet a clinical target, less than or equal to 1 [deg] on average.

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Other Link： http://search.jamas.or.jp/link/ui/2012314066

An evaluation method for the stretching of the chest observed in baseball pitching

IDA Motoki, HAYASHI Toyohiko, MAEDA Yoshinobu, WATANABE Tetsuya, TANAKA Hiroshi, NINOMIYA Hiroki, KOMAI Masahiko, NOBUHARA Katsuya

IEICE technical report. ME and bio cybernetics 112 ( 63 ) 35 - 40 2012.5

Language：Japanese Publisher：The Institute of Electronics, Information and Communication Engineers

In baseball pitching, the pitcher's trunk is known to have an important role for conveying the movement energy from the lower limb to the upper limb. In coaching for the trunk motion achieving such role, a term "the stretching of the chest" is used frequently. Its kinematic features, however, has yet to be clarified quantitatively. To clarify "the stretching of the chest" in a scientific sense, we have developed a novel parameter S, which was defined from the positions of several skin markers mounted on the chest and the back. Our preliminary study revealed that the value of S depends primarily on the horizontal abduction of the upper extremity, which is a motion for stretching the chest. Then, in this paper, we applied it to the analysis of baseball pitching in an attempt to evaluate its efficiency in baseball coaching. Empirical results employing three skillful players and three beginners suggested that parameter S has a possibility of analyzing "the stretching of the chest" quantitatively in terms of both time-varying features and kinetic chain to the trunk and the upper extremity.

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AS-1-4 Multi-Agent System on Interactions between Students and its Application to Artificial School Class Game

Maeda Yoshinobu

Proceedings of the IEICE General Conference 2012 "S - 7"-"S-8" 2012.3

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