Kenji Matsuura's research while affiliated with The University of Tokushima and other places

Publications (87)

Article
Full-text available
In Japan, programming education has been made compulsory in elementary schools since 2020. The Programming Education Guide (GPE) explains the purpose of programming education and the abilities that can be fostered through programming education. In addition, the “Portal Site for Programming Education Focusing on Elementary Schools” introduces variou...
Article
Rope skipping is a comparatively simple and easy exercise for people to perform solitarily anywhere. There are four stages for mastering double-under. The first two stages involve training the segmental motion, while the last two enhance the integration of the segmented motion mastered earlier. In the case of plyometrics like rope skipping, a learn...
Poster
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This poster presents a progress of our development for a player tracking system using a 360 degree camera. There are already some tracking systems using GPS, RFID, and Wireless LAN. There are also a multi-camera tracking system and even a tracking system with a single-camera.
Conference Paper
Full-text available
Luck or unluck is supposed to exist in baseball. In this paper, we consider unpredictable "lucky" or "un-lucky" cases which are occurred on the ground in order to find out authentic ability of batters. If all cases are observable, hit probabilities can be calculated. However, it is impossible to gather all the information on the ground. Therefore,...
Article
It is difficult to distribute online questionnaire adequately to those subjects who satisfy the requirements of investigations. In addition, low questionnaire response rates, because of factors such as overlooking request emails and noncooperation to answer the questionnaires, sometimes annoy the investigators. As today's organizational systems ado...
Article
This article discusses a system designed for repetitive movement learning. The concrete target domain is a motor-skill, which requires both knowledge and physical ability. Cyclic behavior of a segmented unit constitutes repetitive movement. It is hard to learn a stabilized way of such movement without any guides. Therefore, the present study provid...
Poster
Full-text available
This paper provides a case study of improving availability for searching documents in an academic facility. Every day some documents are needed for our business and academic activities in the Center for Administration of Information Tech- nology (AIT) in Tokushima University. AIT has been employing and operating Information Security Management Syst...
Conference Paper
Currently, authentication methods using ID and password are widely used and fulfilled central roles in various information systems and services. Our university also uses ID and password for authentication of most services. However, passwords have various problems such as reuse, phishing and leakage. This research is a practical experiment in order...
Conference Paper
This paper describes a designing concepts of a system supporting for human skill development in the physical domain using rope skipping as the concrete target. When a novice tries to acquire some skills, they sometimes tend to concentrate on the object (e.g. rope) instead of putting emphasis on body control. This problem motivates us to propose an...
Conference Paper
We develop a navigation system considering traffic accident risk. After putting the start and goal points by a user, the system suggests a detour; a better route contains low risk against traffic accidents. Users can also contribute to register risk values to the dangerous points. We define cost functions to generate reasonable and safer route path...
Article
Full-text available
Mobile and ubiquitous technologies have been applied to a wide range of learning fields such as science, social science, history and language learning. Many researchers have been investigating the development of ubiquitous learning environments; nevertheless, to date, there have not been enough research works related to the reflection, analysis and...
Article
Full-text available
徳島大学情報センターは, ISMS に基づく情報セキュリティポリシーに則り, 教員及び職員が作成 した ISMS 文書をファイルサーバで管理している. ISMS 文書以外の本センターが関わる業務文書, 契約書, マニュアル, ログ等といった業務運用系文書についても, 同一のファイルサーバで管理して いる状況である. ISMS 文書については, ディレクトリ構造やファイル名に運用規定を設けることに よって, 必要な人が必要なときに使用できる状態を維持している. しかしながら, 教員及び職員全員 が, ファイルサーバのディレクトリの最新状況を常に把握することは困難なため, ISMS 文書やその 他の必要書類を即座に使用できない場面があるのも事実である. この状況を改善するため, 我々は, 本セン...
Article
Full-text available
Double-unders is one of interesting physical skills combining multiple primitive motions of different frequencies. This paper discusses an analyzing method of trajectory on hand-motion in double-unders. It also tackles to design an environment for the staged learning in acquisition process of the skill. We focus on the radius of motion-trajectory o...
Article
This paper describes a new proposal on the flexible authorization function based on the organizational hierarchy. We apply the function to a network monitoring system, which we have installed. Today's organization for the network administration at an institute has the hierarchical nature of a tree structure according to the inheriting responsibilit...
Article
The purpose of this study is the design and development of the supporting environment that attempts to improve skipping-rope form of unlearned performers. We focus on monitoring four body parts based on image processing technology. We also propose values of threshold in image processing for each part but they are subject to change as the study prog...
Article
Full-text available
The purpose of this study is to propose an original method that enables the recognition of a swinging motion. Furthermore, we apply the method for supporting skill development. In this study, we use an optical-motion capture system to monitor a human's motion. The captured data are transformed into series of symbols by using a feature quantity. The...
Article
This study proposes a system to support self-controlled motor-skill development in a web-community environment. We discuss the difficulties involved in sustaining self-controlled training without systematic supports. The system proposed provides a function to suggest an appropriate range of target goals based on data from previous training sessions...
Conference Paper
This paper describes a design of training-diary system intended for motor learning regarding daily outdoor activities including sports. As for motor skill, both monitoring and advising based on the key points which are hard to obtain, are significant factors for improving such motor skills. The points comprise the timing of advice and content. Ther...
Article
In this paper, we describe the new proposal whose objective is to presentan online environment for physical skill learning. Our target skill is not only an intellectual one but also gross motor-skills such as rope-skipping and running. We developeda courseware system that covers wide areas of such skills because itsgeneral framework is based on the...
Article
Tennis has long history as a famous sport and enhanced health promotion of men and women all ages. In many cases, the style of technical teaching has been a long tradition of face-to-face. On another front, recent seamless bio-feedback technologies enable players to be trained in the acquisition of novice skills without the coach. This paper propos...
Conference Paper
In this paper, we propose a system to help learners improve the running form by the motion-capture system. We can capture the running form along with the time processing by this system. The system assumes the ideal running form that keeps the stable style. An ideal form is given by an expert. The system detects and represents the difference between...
Conference Paper
This paper describes a technical approach for supporting motor-skill development of human beings. We focus on the strong relationship between physical performance and mind status. Therefore, our approach integrates the brain wave-tool to monitor at the time of exercising. Then the system automatically selects appropriate media as for the feedback f...
Conference Paper
Running is a sort of "single" sport that can be carried out alone. Single sport is generally hard for good practice because of lack of the subjective viewpoints. Therefore, subjective view or communications with other peers help the self-training. We have developed the WEB system that supports self-regulated control of training in a community of ru...
Article
In this paper, a design of Content Management System (CMS) linking up with a mobile device (smartphone, tablet PC etc.) for transmitting, monitoring sensor data and feedback is proposed. The system is intended for fields of sports, rehabilitation promoting health and so forth. Users (athletes, rehabilitants etc.) are equipped with wireless sensors...
Conference Paper
Running is an easy excise that can be carried out alone. If one commits to a community of running, s/he is able to acquire more positive effects from viewpoints of sustainability, skill polishing-up and motivation than alone. This study designs and develops a web-community, which offers community members an environment of self-management on running...
Conference Paper
Runners can practice by themselves when and where they can. If a training partner who is similar in pace runs on their side, runners are able to acquire more competitive motive than alone. Also comparison with another person is essentially expected to reflect their own running form. We design and develop a wearable system of running support, which...
Article
This paper describes a remote training which supports the coaching of runner's form by applying wearable wireless sensors. The system provides a trainer with kinematic information about exercise behaviour of a trainee through monitoring the arm swing with the tri-axial accelerometer in real time. While a trainer can advise the improvement of body m...
Article
Current fitness activities that include daily exercises play a greater role than ever before. This paper proposes a cooperative system focusing on the rope jumping for skill development of learners. This system was designed and developed based on video-diaries in SNS (Social Networking Service). In order for learners to explore and develop skills,...
Conference Paper
This paper proposes a web-based community environment called “e-running” that supports the development of self-management for runners. The objective of the support is to promote the physical skill development which stabilizes their heart-rate by adjustments of their pace while running. In this scenario, runners wear GPS (Global Positioning System)...
Conference Paper
This paper touches upon the design issue for multiple skill development of human beings in an online community environment. It focuses on motor skills such as rope-skipping, running, swimming and so forth in the physical world. The approach attempts to adopt social networking service for mutual contribution on that purpose as the base of online com...
Article
This paper describes the environment of the remote training-support for runners with wireless sensor. The system provides the visualization to a remote advisor about their running-form and feedback function to them by using their kinetic feature of arm swing at the real-time. In particular, 3D-acceleration sensor catches repeats of arm swing. Senso...
Article
This paper describes a training-support environment for runners who run together with mobile sensor network. The system provides awareness information as feedbacks to runners by using their kinetic feature and communication conditions between sensors at the real-time. In particular 3D-acceleration sensor catches repeats of arm swing. Moreover, sens...
Article
Running is regarded as effective sports in promoting health under heightened concerns about health. An opportunity of group pace-training among runners is increasing around their daily training field. In the past some of existing researches about skill science treat individuals and ideal space for reasons involving some technical constraint. Howeve...
Article
Recently, Social Networking Services (SNSs) have been used to support interactions among university students by building new human relations at Universities. We started a Campus SNS for supporting students of the Department of Engineering at the University of Tokushima on 23 January, 2007. This paper describes characteristics and the efficacy by th...
Article
Many universities officially permit their students to use cell-phone as an input device in lectures. Considering this situation, this paper proposes a multi-step annotation function using a cell-phone as the trigger to start reflective learning. Using the proposed system during the lecture, students are required to mark the important slides via the...
Conference Paper
Physical activities beginners encounter difficulties in being accustomed to their new level of activity for lack of constant motivation in regular physical activities. In order to keep a high level of motivation, the selection of a proper training partner is of significant importance. At present, SNS (Social Networking Service) provides a perfect o...
Chapter
Abstract: This article focuses on distributed collaborative learning environments where it is very difficult for the learners to understand the other learners’ knowledge and activities. For example, since the learner cannot be aware of the other learners’ knowledge and activities in using a web based collaborative learning system, it is very diffic...
Conference Paper
Present faculty members have to remember lots of account information for the independent on-line systems respectively. In such cumbersome situations, campus information management becomes one of main concerns of a center for information processing and network management at the university. The basic idea to solve this matter is to introduce the unif...
Article
Our e-Learning, which takes a class-centered approach and supports comprehensive learning, has been practiced with our proprietary WBT e-Learning system. The system has the following characteristics; (1) credits are granted by participation in e-Learning, (2) various statuses of students can participate in e-Learning and (3) video-based teaching ma...
Article
E-Learning system should offer the total learning space that presents preparation, in-class learning and review opportunities. Keeping coherence is very important to reflect mutually on each learning process according to the prior learning activities. For example, in-class learning materials in this proposal provide awareness information about resu...
Article
This study presents experiments of a videoconference-based lecture performed at the University of Tokushima. This research evaluates the feasibility of videoconference lectures for distance learning over the internet. It addresses improved organisation of videoconference based lectures under these conditions and stresses the influence of network pe...
Conference Paper
The current Japanese society makes people bring mobile phone all the time and some university officially admits students to use it in the lecture. This paper proposes multi-step annotation environment using mobile phone as a trigger to start reflective learning. In the lecturing time, only thing to do is marking the important slide of the power-poi...
Conference Paper
Research on digital portfolio (e-Portfolio) became one of major themes in educational technology research field. Most of the current e-Portfolio proposal works only for rich client such as desktop PC. Now that current ubiquitous learning trends make paradigms shift gradually, various client application on e-Learning should work on ubiquitous device...
Conference Paper
The interests of synchronous communications in collaborative activities have been recognized by an important number of researches and experiments. Some environments offer the use of synchronous communications as a collaborative learning solution for a group of distributed users. Each user is independent from the other and joins a collaboration acti...
Article
This paper describes development and practice for medical and dentistry department with an e-Learning system that supports both real lecture (off-line) and on-line learning. This system has convenient functionalities; mainly, on-line syllabus, on-line learning material management, report management, and community support. Through the half year use...
Conference Paper
A lot of asynchronous systems have been developed to provide distance-learning solutions over the Internet. However, those environments are not able to give prompt feedback and they lack of interactivity. This research focuses on the provision of synchronous collaborative environments, focusing on the synchronous collaborative environment Platine d...
Article
Full-text available
Asynchronous web-based learning environments are not usually as interactive or adaptive compared to traditional classrooms. The use of synchronous communication tools may be a solution to recreating the link between students and professors. However, synchronous collaborative learning environments are often restricted to a set of communication tools...
Article
this paper proposes the new idea to solve this problem, which is the adaptive support for synchronizing interactions with ondemand video-based learning materials in an asynchronous virtual classroom
Article
A shift from the face-to-face lectures performed conventionally in schools to the remote ones using the computers and networks has occurred in recent years. We can grasp the meaning of this as the aspects of not only the spatial merit that the system can be used in distributed location but also the asynchronous one that learners don't have to parti...
Article
This paper tackles to develop and evaluate the asynchronous virtual classroom, called AVC, which enables learners to participate in at anytime and from anywhere. Its environment provides on-demand multimedia learning-materials, e.g. videos of the lecture, slides and web pages. In addition, it also provides an asynchronous annotation tool for the vi...
Conference Paper
Full-text available
Online real/virtual classrooms/schools will play a more important role in the society of the future. Especially, an anytime/anywhere learning environment, which allows learners to participate in a classroom via networks, is one of the most focused theme of this research field. In such a trend of these networked learning environments, the authors ha...
Article
This paper describes the development and the evaluation of an asynchronous virtual classroom, named AVC, which enables learners to participate in at anytime and from anywhere. The environment has on­demand multimedia learning materials, e.g. vid­ eo of the lecture, which aims at transmitting basic knowledge to learners. It also has an asynchronous...
Conference Paper
Full-text available
This paper describes a new idea about the multi-agents that act as classmates of learners in an asynchronous virtual classroom. The environment of this virtual classroom is designed to support asynchronous participants. Some agents in the system are based on learner-model of the past learners, and others are on the educational strategy the teacher...
Article
Full-text available
This paper proposes an open-ended and collaborative learning environment, called SharlokII. In this environment, the learners provide and share individual knowledge and other knowledge on the World Wide Web and discuss about them. This paper describes knowledge awareness map and its design, implementation and evaluation. The map visualizes the rela...
Conference Paper
This paper describes active knowledge awareness for creating collaboration in a open ended group learning system, Sharlok (Sharing, linking and looking-up knowledge). Sharlok has knowledge building and collaborative learning environment connected via Internet. To enhance collaboration opportunities in this situation, active knowledge awareness auto...
Chapter
Conventional approaches for computational support on complex motor skill acquisition and development are usually domain specific. However, today’s social web services allow members to facilitate the skill development from one to many types based on the detected shared parameters. This paper describes the design and development on a community site t...
Article
Full-text available
This paper describes a computer-assisted language learning (CALL) in a ubiquitous computing environment. The environment, called TANGO (Tag Added learNinG Objects) system, detects the objects around the learner using RFID (Radio Frequency Identification) tags, and provides the learner the right information for language learning. This system support...
Article
Recently the computerization of the higher educa- tion progresses rapidly in Japan. A variety of WEB services are developed, and improve the usefulness of user such as students and faculty members. There are ever-increasing amount of web services. Developing the framework that cooperates between the WEB ser- vices, and offering it are important. As...