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GNSS 정지측위기법을 활용한 무등산 주변 삼각점 성과 분석
이정환 ( Jung Hwan Lee ),고제웅 ( Jae Woong Ko ),유창호 ( Chang Ho Yu ) 조선대학교 공학기술연구원 2015 공학기술논문지 Vol.8 No.4
Since 1910, the triangulation points have been used but the government went through confusing time such as 6.25 war. As a result, approximately the 75% of these points were damaged or lost. After that, from 1975 to 1986, The National Geographic Information Institute had restored triangulation points including the improvement project of geodetic control points in order to maintain triangulation points. In spite of the trig points completed restoration, The National Geographic Information Institute requires reorganization due to the negligence of maintenance as well as need to check the consistent relationship among the currently maintained triangulation points. Therefore, the purpose of this study is to check the consistent relationship by adjusting the surveying network and using the GNSS Static Survey Method based on forth triangulation points in the Mudeung Mountain.
이정환 ( Lee Jung-hwan ),고제웅 ( Ko Jae-woong ) 조선대학교 공학기술연구원 2016 공학기술논문지 Vol.9 No.3
The past two decades have brought the rapid and quantitative growth of GIS with improved computer technology acquisition technology of spatial data. However, in respect to the qualitative aspects, which handling the spatial uncertainty, including error and accuracy of spatial data, the research and investment of GIS was held a little account. This results have influenced on a serious and adverse effect on the reliability of the GIS result. In this study, an estimate method of spatial uncertainty is presented, along with the spatial information loss that occurred among the resampling. The Root Means Square Error (RMSE), Variogram Modeling and the Spatial Autocorrelation (SAC) are presented and the Accumulative Probability Distribution Graph (APDG) is suggested as a method.
최연웅(Choi Yun Woong),고신영(Ko Shin young),김창우(Kim Chang Woo),고제웅(Go Je Woong),조기성(Cho Gi Sung) 대한공간정보학회 2010 한국지형공간정보학회 학술대회 Vol.2010 No.3
본 연구에서는 GSD 25cm급의 대축척 디지털 항공사진이 촬영됨에 따라 이에 적합한 국가기본도 제작사양 및 기준 등 작업 방법 마련이 필요한 상황에서 GSD 25cm급 영상을 활용한 자동매칭, 수치도화 및 동일한 대상지역에 대한 LiDAR 자료를 활용하여 대표적인 지형표현방법인 등고선을 제작하고 정확도를 분석하였다.