T. Azuma

Bio: T. Azuma is an academic researcher. The author has contributed to research in topics: Geographic information system & Global Positioning System. The author has an hindex of 1, co-authored 1 publications receiving 3 citations.

Universal map for spatial information society by using REAL TIME GIS, GPS and remote sensing

Abstract: Government has to hurry up to build accessible facilities for elderly people and people who has disabilities. Because our country is experiencing an aging society, for example, pedestrian space should be safe and give a relief. One of the methods to ensure this society is to obtain absolute position with high accuracy. Therefore, we suggested here to make Universal Map (UM) with a large scale (1/500 or 1/1000) by using REAL TIME GIS. The purpose of the research was to confirm whether absolute positions can be obtained accurately in pedestrian space. The experiment was performed by moving in KIT campus by a wheelchair to which D-GPS and VRS-GPS antennas have been attached. As a result, it became clear that any experiment fields could not receive accurate data. To solve these problems, we adopted IC tags which are new ubiquitous technology. For a solution, it is recommended that the UM be made by the REAL TIME GIS and IC tags.

Introducing a geographic information system as computer tool to apply the problem-based learning process in public buildings indoor routing

Abstract: A geographic information system (GIS) is presented in this work with the aim of helping the application of problem-based learning process to show the students how to adopt the appropriate decisions for the adaptation of architectural barriers to ensure the universal accessibility in public buildings. The GIS developed here consists of three layers based on vector maps corresponding to buildings, potential routes and architectural barriers. Hyperlinks in the last layer allow access to some relevant information about each barrier, such as type, description and adaptation cost. Several tests have been carried out to show the capability of the implemented GIS to locate indoor barriers, determine suitable indoor routes by considering criteria such as paths lengths or the total cost of barrier elimination, and update the information corresponding to each architectural barrier. In addition, the application of the proposed GIS has also been explored for indoor route guidance with promising results. This investigation has been carried out with the aim of being combined with the problem-based learning process. © 2010 Wiley Periodicals, Inc. Comput Appl Eng Educ 21: 573–580, 2013

The method to obtain position using gnss and rfid for realization of indoor and outdoor seamless positioning

Abstract: To obtain indoor positioning by using GPS (GNSS) satellite is difficult now. Additionally it is difficult to obtain high accuracy outdoor position when GPS receiver cannot find four or more GPS satellites in the viewing field of sky. The Japanese Government executed a new law NSDI (National Spatial Data Infrastructure) for a spatial information society on May 30, 2007. In this law, everybody can know positional information in real time, anytime and anywhere. In addition, it is necessary to use satellite positioning for realization of seamless positioning, and to promote ubiquitous network technology. Realization of advanced geospatial information society will achieve by creating condition which can obtain positional information anytime and anywhere. However, those technologies have not been established yet. Our laboratory conducted seamless positioning experiment to verify whether it can obtain position seamlessly by using VRS-GPS (Virtual Reference System-GPS) ,QZSS(LEX signal) and RFID (Radio Frequency Identification) for realizing an advanced spatial information society. Especially, QZSS was launched in 2010 by JAXA and is satellite system taken by a combination of multi orbit plane and each satellite deployed to appear constantly 1 satellite near the zenith in Japan. We are joining the demonstration experiment of a part of Hokuriku area in Japan at 5 th to 9 th in March and 23 th to 27 th in April 2012. In this paper we described advanced spatial information society will realize by a combination of GPS(GNSS),RFID and QZSS.

On the method of obtaining indoor positioning information for realization advanced geospatial information society

Abstract: To obtain indoor positioning information by GPS satellite is difficult now. The Japanese Government executed a new law NSDI (National Spatial Data Infrastructure) for a spatial information society on May 30, 2007. In this law, everybody can know positional information in real time anytime and anywhere[5]. In addition, it is necessary to keep satellite positioning for realization of seamless positioning, and to promote ubiquitous network technology [1] [4]. However, the technology has not been established yet. Therefore, Integrated Circuit Tag (IC tag) was used where GPS signals could not be received to obtain information on the absolute position. The experiment was conducted to verify the reading rate of IC tag on different types and conditions. An experiment was conducted to show position information to obtain seamlessly GPS positioning and IC tag on the GIS.