Faculty Profiles - MAEDA Yoshinobu

MISC - MAEDA Yoshinobu

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Influence of mutual concession of evacuees at the occurrence of a disaster : Simulation and theoretical approach

115 ( 100 ) 95 - 100 2015.6

Influence of mutual concession of evacuees at the occurrence of a disaster : Simulation and theoretical approach

115 ( 99 ) 95 - 100 2015.6

Influence of mutual concession of evacuees at the occurrence of a disaster : Simulation and theoretical approach

115 ( 98 ) 95 - 100 2015.6

Study on the optimal number of buttons of touch panel button interfaces : Transition of the optimal number of buttons by increasing the input letters

KITA Takuro, ITO Nao, TANI Kentaro, MAEDA Yoshinobu

IEICE technical report. Welfare Information technology 114 ( 447 ) 11 - 15 2015.2

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

In previous study, we examined to let the participants input alphabet of four characters and recorded performance time, tap interval and the number of taps, and we suggested that the optimal number of buttons (that performance time is minimum) is 10. In addition, the optimal number of buttons which was given from performance time accorded with that one which was estimated multiple regression from tap interval and the number of taps. The purpose of this study is to investigate the influence of increasing the necessary number of letters to input on the optimal number of buttons. As a result, it is suggested that the optimal number of buttons increases with increasing the input letters.

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Development of the Interface on Operating Unmanned Aerial Vehicle by Face Recognition using Kinect

ONODERA Shun, TANI Kentaro, MAEDA Yoshinobu, NAKANO Keisuke, YAMAZAKI Tatsuya

IEICE technical report. Circuits and systems 114 ( 425 ) 7 - 10 2015.1

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

In recent years, remote control operation robots have been studied, and, as such, must be expected that an Unmanned Aerial Vehicle (UAV) should be used in various situations. We proposed an interface system to operate the UAV using movement of the human body. This study aims to construct the interface system that is capable of reducing the physical workload or increasing the work efficiency. In this technical report, we implemented the system sending the command to the UAV. The system generated the command when it obtained the data on human movement from Kinect. Especially, we focused on two operations to the UAV, by the right hand, and by the face recognition using Kinect. The latter case has not yet be implemented in the system, and it will be one of the future works.

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Development of Web-based "kikimimi" game system

HASHIMOTO Shiryu, TANI Kentaro, KAWACHI Ryosuke, NIIKAWA Takuya, MAEDA Yoshinobu

IEICE technical report. Circuits and systems 114 ( 425 ) 1 - 6 2015.1

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

Visually impaired persons can use an equipment and service based on a concept of the barrier free in various living situations in modern society, because the ADL (Activities of Daily Living) ability of the visually impaired is enhanced by assistive technologies. However, the support of cultural activities, or QOL (Quality Of Life), for the visually impaired, such as entertainments and games, are under utilized. Visually impaired persons may have a lot of mental stress by depending on the sighted persons in the daily living. To solve this problem, not only ADL but QOL is important issue on the assistive technology development. We have developed the game to enhance the QOL of the visually impaired from the viewpoint of entertainment.

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Reproduction of the frequency-dependent behavior in artificial school class model

YAMAZAKI Yuta, YAMAMOTO Kouki, TATSUTA Atsuya, TANI Kentaro, KATO Kosuke, MAEDA Yoshinobu

IEICE technical report. Circuits and systems 114 ( 425 ) 11 - 16 2015.1

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

The bullying problem (peer aggression or victimization) evolves from a situation in which anonymous bullies attack a particular victim with its negative attributes. There has been tried to solve the bullying problem from educational, medical, sociological and many other viewpoints. We also have investigated a mechanism of the bullying, using an artificial school-class model (ASC model) based on multi-agent simulation. In this technical report, we attempted to reproduce the concept of "frequency-dependent behavior" in the ASC model. The frequency-dependent behavior means that the agent which was often received the particular behavior from others in the past step becomes easy to receive the same behavior in the present step. If the behavior received repeatedly is negative, or non-friendly, then the agent will be easily a victim defined in the ASC model.

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Behavior of a monetary exchange model with the mere-exposure effect

INOMATA Ryota, ITO Nao, TANI Kentaro, MAEDA Yoshinobu

IEICE technical report. Circuits and systems 114 ( 425 ) 21 - 26 2015.1

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

To investigate the mechanism which the monetary exchange emerges from the barter exchange provides the insight about not only the history of a money economy but the appearance of local and electronic moneys. Field investigation at the local community is so difficult that we have investigated it virtually by using a method on the multi-agent simulation. So far, we have reproduced the simultaneous circulation phenomenon by a couple of moneys on the social-network-introduced Yasutomi model. However, the consumption behavior was hardly observed in it. In this technical report, we studied the simultaneous circulation phenomenon by a couple of moneys with having the consumption behavior, by means of introducing the mere-exposure effect to Yasutomi model.

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Reproduction of Four-Leg Animal Gaits Using a Coupled System of Simple Hardware CPG Models

KOJIMA Hayate, MAEDA Yoshinobu, NOMURA Taishin

IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences 98 ( 2 ) 508 - 509 2015

Consideration and numerical simulation for the school caste issue

TATSUTA Atsuya, TANI Kentaro, KATO Kosuke, MAEDA Yoshinobu

IEICE technical report. Welfare Information technology 114 ( 357 ) 91 - 96 2014.12

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

In the past decade, a rank system of student's groups qualitatively distinguished from others has been observed in Japanese school classes. It is called "school-caste", which is one of the cause of the school bullying as social problems. The school-caste can be observed inwardly from the students, but the outward observers such as teachers and parents can hardly find the school-caste in the students. In this technical report, we reproduced the school-caste-like phenomena on the artificial school class model using the multi-agent system, and investigated the effect of the teacher to prevent the school-caste from developing the school bullying. As a result, we suggested that the "prevention" should be useful for giving a stressless manner to the psychological personal relation of students, even under the school-caste.

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A software development for the storytelling assist system on picture books by the visually impaired

MATSUBA Hiroshi, SATO Masahiko, TANI Kentaro, MAEDA Yoshinobu

IEICE technical report. Welfare Information technology 114 ( 357 ) 11 - 16 2014.12

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

A picture book is one of the most important communication methods of parents with their children. Reading picture books to children is valuable to them in developing their emotional maturity. However, it is difficult for the parents with visual impairement, unlike the sighted, to read picture books to their children. Such support systems are under spread. In this technical report, we developed an assistive technology regardless of using OS to be possible that the parents with visual impairement read a picture book to their children, furthermore, made a function to add new picture books on our application. In the experiment, eight sighted participants operated the developed system and the usability was evaluated.

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Switching four-legged animal gaits between walk, trot and bound using CPG circuit

KOJIMA Hayate, MARUYAMA Akihiro, ICHIMURA Tomoyasu, MAEDA Yoshinobu

IEICE technical report. Circuits and systems 114 ( 312 ) 1 - 6 2014.11

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

In the mammalian spinal cord, a central pattern generator (CPG) is supposed to be as neural networks. The CPG is responsible for producing locomotor rhythms periodically, and the rhythms are propagated down to flexor and extensor legs. So far, we have constructed a hardware CPG model from the mathematical description proposed by Rybak et al., and, using it, reproduced oscillation behaviors corresponding to some quadrupedal gaits of four-legged animals. However, when reproducing their gaits, we need to change the structure of the network among the hardware CPG models. In this technical report, we reproduced the oscillation behaviors corresponding to the typical gaits, "walking", "trotting", and "bounding" with the hardware CPG model proposed, and switched them using the only one parameter, voltage V_<MLR>. As a result, we constructed two hardware networks that can switch between the walking and trotting, and between the trotting and bounding.

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Switching four-legged animal gaits between walk, trot and bound using CPG circuit

KOJIMA Hayate, MARUYAMA Akihiro, ICHIMURA Tomoyasu, MAEDA Yoshinobu

Mathematical Systems Science and its Applications : IEICE technical report 114 ( 313 ) 1 - 6 2014.11

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

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Investigation on human action selection for passing by each other in a narrow alley

YOKOKAWA Kyohei, TANI Kentaro, KONISHI Takashi, MAEDA Yoshinobu

IEICE technical report. Circuits and systems 114 ( 312 ) 7 - 10 2014.11

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

It is difficult for evacuees to behave the smooth evacuation, especially in the case that they are panicked in occurring some disaster. Such a man-made disaster will increase the damage. Therefore, the 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, have investigated the influence of the mutual concession of the agents on the global evacuation time. In this technical report, we investigated the effect of the mutual concession at the time of the collision through the virtual evacuation game. The game programmed in this study made the player select "go ahead of the agent," or "stop and concede to the agent" when the player serially and virtually collided with ten agents.

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Investigation on human action selection for passing by each other in a narrow alley

YOKOKAWA Kyohei, TANI Kentaro, KONISHI Takashi, MAEDA Yoshinobu

Mathematical Systems Science and its Applications : IEICE technical report 114 ( 313 ) 7 - 10 2014.11

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

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Investigation on human action selection for passing by each other in a narrow alley

2014 ( 2 ) 1 - 4 2014.11

動的シュブルール錯視を再現するアナログ回路型神経ネットワークの設計

斎藤元喜, 前田義信, 秋田純一, 塚田章

生体医工学シンポジウム2014 2014.9

After the symposium "What kind of textbooks of circuits are more popular?"

Kaneko Yoshihiro, Maeda Yoshinobu

Mathematical Systems Science and its Applications : IEICE technical report 114 ( 125 ) 159 - 161 2014.7

Quantitative Analysis on Usability of Button-Input Interfaces using tablet device

ITO Nao, TANI Kentaro, MAEDA Yoshinobu

IEICE technical report. Speech 114 ( 91 ) 5 - 9 2014.6

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

In this study, in order to evaluate the usability of touch panel button interfaces, we examined to let the participants input alphabet of four characters and recorded performance time, tap interval and the number of taps. The optimal number of buttons which is given from performance time accorded with that one which is estimated multiple regression from tap interval and the number of taps. Based on this, we can estimate the optimal number of buttons from tap interval and the number of taps. The optimal number of buttons increases to ten from eight in comparison with precedent study which used mouse button interfaces. This is because tap interval become smaller significantly than the precedent study. Therefore, it is suggested that cognitive workload on touch panel interfaces should be smaller than mouse one.

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Quantitative Analysis on Usability of Button-Input Interfaces using tablet device

44 ( 5 ) 249 - 253 2014.6

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