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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Journal of Korean Society for Geospatial Information System
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Journal DOI :
The Korean Society for Geospatial Information System
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Volume & Issues
Volume 4, Issue 2 - Dec 1996
Volume 4, Issue 1 - Jun 1996
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지적재조사와 지적재조사법의 제정
Gang, Tae-Seok ;
Journal of Korean Society for Geospatial Information System, volume 4, issue 1, 1996, Pages 3~7
Technique of JAVA in GIS on the WWW
Kang, In-Joon ; Lee, Jun-Seok ; Choi, Chul-Ung ;
Journal of Korean Society for Geospatial Information System, volume 4, issue 1, 1996, Pages 17~21
To realize GIS on internet two methods are possible. One is using java language and the other is using window API that interface with internet WWW HTTP protocol. GIS program needs to extract, classify, store in various geospatial data. But WWW HTML are statical and Impossible to input multi points and area selectioning. This study applied JAVA in Web GIS so that may handle various geographic data on internet, communicate interactively GUI interface and present, modify and powered with various means of cartographic visualization
The Development of An Object-Oriented Graphic Database Management System in Geographic Information Systems
Hwang, Kook-Woong ; Lee, Kyoo-Seock ;
Journal of Korean Society for Geospatial Information System, volume 4, issue 1, 1996, Pages 23~29
The purpose of this study is to develope an Object-Oriented Graphic database management system to handle geographic data of geographic information systems. As the result of this study, unstructured vector model was developed to handle geographic data and graphic database management was implemented by object-oriented programming. This study was focused on liking function between graphic data and attribute data, and not focused on network analysis function.
Environmental Change Analysis of Kwangju City using Landsat TM Data
Park, Byung-Uk ;
Journal of Korean Society for Geospatial Information System, volume 4, issue 1, 1996, Pages 31~41
The analysis of environmental change followed by cultural development is useful for determining development plan hereafter. This study aimed for quantitative analysis about urban sprawl within 10 years, from 1984 to 1994, at Kwangju city, and to extract characteristics of change. For this purpose, we performed land cover classifications using Landsat TM data. And to evaluate influence of urbanization, we carried out surface temperature analysis using TM band 6 data. From the change analysis in land cover, it wa found that expansion of urban areas amounted to 3% and get accomplished by exploitation of farm land area, and that a rice paddy fields were changed to vinyl house areas considerably. In the regional aspect, development was concentrated on Kwangsan-ku which had been incorperated into Kwangju city in 1988. The results from temperature analysis showed that there was close correlation between surface temperature and land cover types, and that urbanization would influnce temperature to rise
in summer. As a results, we can prove that satellite data is very effective for environmental change analysis.
A Study on Hypermap Database
Kim, Yong-Il ; Pyeon, Mu-Wook ;
Journal of Korean Society for Geospatial Information System, volume 4, issue 1, 1996, Pages 43~55
The objective of this research is to design a digital map database structure supporting video images which is one of the fundamental elements of hypermap. In order to reach the research objective, the work includes the identification of the relationships between two dimensional digital map database and video elements. The proposed database model has functions for interactive browsing between video image frames and specific points on two dimensional digital map, fer connecting the map elements and features on video images. After that, the images and the database are transformed to the pilot system fer testing the map database structure. The pilot project results indicate that the map database structure can integrate functionally two dimensional digital map and video images.
A Study on the Application of Established Digital Spatial Data to Geographic Information Systems
Kim, Yong-Il ; Pyeon, Mu-Wook ; Lee, Eung-Kon ;
Journal of Korean Society for Geospatial Information System, volume 4, issue 1, 1996, Pages 57~66
For the effective use of spatial data, it is necessary to translate the diverse digital map data (here, digital map for car navigation system) into common GIS data structure(here, ARC/INFO). For this purpose, analysis on the structure of the established digital map was fulfilled, the data model for effective translation tool was designed. As a result, the possibility to translate diverse digital map structures (database) into GIS tools and to share them, with the users' point of view, was successfully verified.
] Interest Operator in Scale Space
Cho, Woo-Sug ;
Journal of Korean Society for Geospatial Information System, volume 4, issue 1, 1996, Pages 67~73
The objective of this research is to investigate the behavior of the
interest operator, which has been widely used for detecting distinct points in the field of digital photogrammetry and computer vision, in scale space. Considering the hugh volume of digital image utilized in digital photogrammetry, the scale space (image pyramid) approach which appears to be a solution for enhancing image processing, began to gain its attention. The investigation of the
interest operator in scale space generated by the Gaussian kernel shows its behavior and feasibility for being used in practice.
A Development of GIS-based Transformation Management System : : A Field-level Desktop GIS-T
Choi, Kee-Choo ; Park, In-Cheol ; Shin, Hae-Sook ;
Journal of Korean Society for Geospatial Information System, volume 4, issue 1, 1996, Pages 75~82
As can be seen in US case with the introduction of ISTEA and CAAA, the expansion of the transportation decision-making role of local government is expected to be quite apparent in Korea, and the increased importance of decision-making in transportation issues requires increased attention to both justification and analysis of transportation initiatives. A GIS-based facility management system in a desktop computing environment has been constructed using MapInfo, ARC/INFO, and Microstation to allow such expanded role of local government's decision-making activities. In this paper, first, authors try to explain the procedures of system design; that is, the digital map production including vectorizing, data conversion, attribute data entry, and application programming development. Then, various management functions which are basically embedded in MapInfo environment, and application functions established by the use of MapBasic language has been explored Finally, the possible benefits of combining geographic information systems with traffic planning scheme has also been described with some discussion.
A Study on the Landscape Analysis of Rode Using GIS
Jung, Young-Dong ; Ko, Jae-Woong ;
Journal of Korean Society for Geospatial Information System, volume 4, issue 1, 1996, Pages 83~91
With the growth of cities, there is a nero today for construction of outer road of cities but there are many problems in executing the scheme. In this study 5 kilos' distance, a part of the first section from East Kwangju I.C. in 36kilos' distance, the road circling Other Kwangju city is determined as the object of this study and illustrated by GIS. Besides that, the landscape which is varied according to survey location is illustrated each section by using data such as plans and 1he planed height. and the area for this study which is circling around Mt. Mudeung, a noted in Kwangju city is represented by GIS.
Stereo Matching For Satellite Images using The Classified Terrain Information
Bang, Soo-Nam ; Cho, Bong-Whan ;
Journal of Korean Society for Geospatial Information System, volume 4, issue 1, 1996, Pages 93~102
For an atomatic generation of DEM(Digital Elevation Model) by computer, it is a time-consumed work to determine adquate matches from stereo images. Correlation and evenly distributed area-based method is generally used for matching operation. In this paper, we propose a new approach that computes matches efficiantly by changing the size of mask window and search area according to the given terrain information. For image segmentation, at first edge-preserving smoothing filter is used for preprocessing, and then region growing algorithm is applied for the filterd images. The segmented regions are classifed into mountain, plain and water area by using MRF(Markov Random Filed) model. Maching is composed of predicting parallex and fine matching. Predicted parallex determines the location of search area in fine matching stage. The size of search area and mask window is determined by terrain information for each pixel. The execution time of matching is reduced by lessening the size of search area in the case of plain and water. For the experiments, four images which are covered
of Taejeon-Kumsan in each are studied. The result of this study shows that the computing time of the proposed method using terrain information for matching operation can be reduced from 25% to 35%
A Data Manager for a Vehicle Control System
Han, Jae-Joon ; Han, Ki-Joon ;
Journal of Korean Society for Geospatial Information System, volume 4, issue 1, 1996, Pages 103~114
A vehicle Control System that is a system combined by a Car Navigation System, a Geograhical Information System, and a Communication Network usually permit a central control room to detect vehicle's locations dynamically and manage these informations synthetically. Therefore, a vehicle control system can be used to control the rapid movement of patrol cars, freight transportation, and so on. In this paper, we designed and implemented a data manager for an application system, such as a vehicle control system, that usually manages road data, vehicle data, vehicle's location data, etc. The data manager that is implemented in this paper consists of system management module, road data management module, vehicle data management module, GPS(Global Positioning System) data management module, and additional data management module. Especially, we use the SHORE(Scalable Heterogeneous Object REpository) system as a storage system of the data manager.
A Study on an Extraction of the Geometric Characteristics of the Pyongchang River basin by Using Geographic Information System
Hahm, Chang-Hahk ;
Journal of Korean Society for Geospatial Information System, volume 4, issue 1, 1996, Pages 115~119
odel). One of important tasks for hydrological analysis is the division of watershed. It can be an essential factor amThe main objective of this study is to extract of the geometric characteristics of the Pyongchang River basin, headwaters of the South Ran River. A GIS is capable of extracting various hydrological factors from DEM(digital elevation mong various geometric characteristics of watershed. In this study, watershed itself and other geometric factors of watershed are extracted from DEM by using a GIS technique. The manual process of tasks to obtain geometric characteristics of watershed is automated. by using the function of ARC/INFO software as a GIS package. Scanned data is used for this study and it is converted to DEM data Various forms of representation of spatial data are handled in main modules and a GRID module of ARC/INFO. A GRID module is used on a stream in order to define watershed boundary, so it would be possible to obtain the watersheds. Also, a flowdirection, stream networks and others are generated. The results show that GIS can aid watershed management and research and surveillance. Also the geometric characteristics as parameters of watershed can be quantified by a using GIS technique. Resonable results can be obtained as compared with conventional graphic methods.