• 한국측량학회지
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• 제24권3호
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• pp.289-297
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• 2006

토지피복지도는 토지의 피복특성과 토지활용특성을 나타내는 자료로서 토지피복분류체계에 따라 계층적인 구조로 1998년부터 제작되고 있다. 대분류는 Landsat 위성영상을 활용하여 남 북한에 대한 작업이 완료되었으며, 중분류는 IRS-1C, IRS-1D, KOMPSAT, SPOT-5 영상을 저해상 컬러 영상과 영상융합을 한 후, 그 결과자료를 전문가가 도화하여 제작하고 있다. 특히 도화에 의한 중분류 토지피복지도 제작은 위성영상의 구매 및 자료처리, 토지피복 지도제작 과정에서 막대한 비용이 필요하다. 본 논문에서는 최근 많은 연구가 수행되고 있는 초분광 위성영상인 EO-1 Hyperion을 이용한 중분류 토지피복지도 제작 가능성을 연구했다. 많은 분광정보를 제공하는 Hyperion 영상과 기존에 사용하던 Landsat-7 ETM+ 영상의 토지피복분류 비교 연구를 수행하여 Hyperion의 분류정확도를 평가했다. 또한, Hyperion에 적합한 최적밴드선택 방법을 통하여 초분광 위성영상 활용의 효율성을 증대시켰다.

• 한국정보처리학회논문지
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• 제2권1호
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• pp.95-105
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• 1995

광전송에 의한 광통신 기술의 사용이 보편화 되면서 MAP 3.0규격은 광 파이버의 전송시 잡음 여유, 열악한 환경에서의 정상 동작, 안정성, 고속 전송의 장점 등으로 전송 매체로서 선택 사양에 규정하고 있다. 이러한 특성들은 제조 환경에서 광 네트워 크를 구축하는 것에 유용하다. 본 논문에서는 버스와 스타 구조의 사용을 포함한 광 패버 802.4의 MAP 네트워크 시스템 구축에 대하여 해석하고 광 패시브스타 네트워크와 FDDI 네트워크 모델을 제안 하였다. 그리고, MAP 규격의 물리 및 데이타 링크 계층 구 조에서 100 Mbps의 이중 링 구조의 FDDI 프로토콜을 제조 환경에서의 특성을 해석 하 였다. 또한 제조 환경에서 제안된 두 모델에 대하여 응용 서비스, 실시간 처리성, 토 폴로지면에서 비교하고 평가하였다.

• 한국측량학회지
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• 제36권3호
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• pp.185-196
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• 2018

In order to overcome the problem that outdoor and indoor spatial information service are separately utilized, an integration service system of spatial information that is linked from outdoor to indoor has been implemented. As a result of the study, "0001.xml" corresponding to the file index key value, which is the service connection information in the building information of the destination, was extracted from the prototype verification of the system, the search word of 'Kim AB' was transmitted to the indoor map server and converted from the outdoor map service to the indoor map service through confirmation of the navigation service connected information, using service linkage information and search words of the indoor map service was confirmed that the route was displayed from the entrance of the building to the destination in the building through the linkage search DB (Database) table and the search query. Therefore, through this study was examined the possibility of linking indoor and outdoor DB through vector spatial information integration service system. The indoor map and the map engine were implemented based on the same vector map format as the outdoor map engine, it was confirmed that the connectivity of the map engine can be applied.

• 대한원격탐사학회:학술대회논문집
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• 대한원격탐사학회 2002년도 Proceedings of International Symposium on Remote Sensing
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• pp.850-853
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• 2002

This paper described some applications using Open GIS Component that was called MapBase. There were 4 applications : KSDI(Korea Spatial Data Infrastructure) funded by MOIC(Ministry of Information and Communication), National Plants Resource Management System supported by Korea Forest Service, 7-Underground Facilities Management System of Cheongju funded by MOCT(Ministry of Construction and Transportation), and National Disaster Management System supported by MOGAHA(Ministry of Government Administration and Home Affairs. Because they wanted to access heterogeneous spatial database, it was necessary to select MapBase as their base methodology. The main feature of MapBase was component S/W which provided the interoperability and reusability among GIS applications as well as non-GIS information system through common specification. In this paper, we showed some applications' architectures and functions to increase understanding MapBase. That would help you to make application using MapBase.

• 한국식물학회:학술대회논문집
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• 한국식물학회 1995년도 제9회 식물생명공학 심포지움 식물육종과 분자생물학의 만남 The 9th Plant Biotechnology Symposium -Breeding and Molecular Biology-
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• pp.171-182
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• 1995

• 대한공간정보학회지
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• 제9권1호
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• pp.27-38
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• 2001

1995년 국가GIS사업이 추진된 이래 수치지형도를 활용한 GIS 구축사업이 활발하게 진행되고 있으나, 수치지형도의 기하학적 결점 및 위상관계가 정립되어 있지 않아서 GIS 구축 시 바로 활용할 수 없는 실정이다. GIS 선진국에서는 속성 자료와 공간 자료간의 위상이 정립된 자료를 GIS 사용자들에게 제공해주고 있는데, 이 자료를 프레임워크 자료(Framework Data) 즉, 기본지리정보라 하며 공간정보의 가장 핵심적이고 기본이 되는 자료로 활용하고 있다. 본 연구에서는 국가 공간정보의 기본도가 되는 국가기본지리정보의 범위와 정의를 설정하였으며, 기본지리정보 중 도시기반정보구축에 있어 가장 핵심이 되고 기준이 되는 교통/도로 기본지리정보 구축과 품질관리 방안에 관한 연구를 수행하였다.

• 한국철도학회:학술대회논문집
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• 한국철도학회 2007년도 춘계학술대회 논문집
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• pp.1882-1889
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• 2007

Surveying rocks for engineering aims for prediction of geological feature of the construction site. Conventionally, survey information at outcrops and bore holes are projected to the construction sites, such as tunnel and slopes, and rock properties of the sites are predicted by interpretations of specialists. This system, the "Fracjection", aims to assist the specialist for visualization of the projected fractures from borehole and outcrop survey. The Fracjection accepts the BIPS and outcrop survey data to its database and allows plotting them in AutoCad map. The software also reads elevation data from contours of the topographic map and constructs DEM of the construction sites. With user's guide, it generates 3D excavation sites such as slopes and tunnels at the topographic map. The s/w projects borehole and outcrop surveyed fractures onto the modeled excavation surface and allows analysis of failure criteria, such as plane, wedge, and toppling failures by built-in stereonet function. Projected fractures can further be analyzed for structural homogeneities and rock mass quality. Moving window style correlation comparison of stereonet plots are used for formal analyses, and RQD type counts of the projected fractures are adopted for the latter analyses.

• 한국BIM학회 논문집
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• 제11권4호
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• pp.1-9
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• 2021

Comparing to general scanning data, the 3D digital map for large construction sites and complex buildings consists of millions of points. The large construction site needs to be scanned multiple times by drone photogrammetry or terrestrial laser scanner (TLS) survey. The scanned point cloud data are required to be registrated with high resolution and high point density. Unlike the registration of 2D data, the matrix of translation and rotation are used for registration of 3D point cloud data. Archiving high accuracy with 3D point cloud data is not easy due to 3D Cartesian coordinate system. Therefore, in this study, iterative closest point (ICP) registration method for improve accuracy of 3D digital map was employed by different overlap ratio on 3D digital maps. This study conducted the accuracy test using different overlap ratios of two digital maps from 10% to 100%. The results of the accuracy test presented the optimal overlap ratios for an ICP registration method on digital maps.

• 한국측량학회:학술대회논문집
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• 한국측량학회 2004년도 춘계학술발표회논문집
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• pp.577-580
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• 2004

Recently, in a field of cadastre, a computerization of cadastral map is in progress with great growth of GIS field. Also, the needs for the integration of land and building information are widely increasing for integral-management and its application of various land related information. In this study, it is constructed a 3D information cadastral map model that can make the integral management of land, building, connecting land recorders, building management ledgers, building titles, building pictures, and related attribute information.

• 정보와 통신
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• 제10권11호
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• pp.74-84
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• 1993

Hyundai Electronics Industries Corp has developed a navigation system which automatically computes the current position and displays it on the map using GPS(Global Positioning System). This system has such features as follow : searching of destination by means of digital mapping, locating of the present position on the map and detecting of guidance timing through signals from the artificial satellites and vehicle's sensors, and having a few of functions as TV & VTR monitoring, tracing the route, displaying service information which include hotels, restaurants, entertainments, et al. This paper describes the operations and construction of this navigation system.