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RISS 인기검색어
- 검색키워드
- 저자 : 文斗烈 (검색결과 79 건)
- 무료
- 기관 내 무료
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車星烈,文斗烈 東義大學校産業技術開發硏究所 1991 産業技術硏究誌 Vol.5 No.-
This study is the improvement of three dimensional trilateral surveying accuracy. Whit E.D.M. as a main observation equipment, accuracy was analyzed by multiplying the number of control points to 4, 5 and 6 and by the disposition form of control points. Also, each weighting rate's deviation was attained by applying the we lighting factor. In conclusion, the best accuracy of three dimension trilateral surveying was gained at 4 control points and at the weighting factor of 1/r² The closer the disposition form was to tetrahedron, the better accuracy was taken.
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문두열 東義大學校 産業技術開發硏究所 1999 産業技術硏究誌 Vol.13 No.-
This thesis should compare, analyze and assess the Cadastral Systems of Korea. An object of study is that it suggest the alternatives the cadastral systems of korea the side of its result. To achieve an object of study,Ⅰ establish details goal of study as follows. (1) It surveys an operational state about the cadastral systems of Korea from the blank the law·administration vicarious execution systems. (2) It surveys an operational state about the cadastral systems of Japan and Taiwan in the side of the law·administration·vicarious execution systems. (3) It surveys and analyzes the problems containing the cadastral systems of Korea from three points.
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수치사진측량기법을 이용한 문화재의 3차원 모델링에 관한 연구
문두열,이봉재,신문섭,오상용 동의대학교 산업기술개발연구소 2005 産業技術硏究誌 Vol.19 No.-
고해상도의 디지털 카메라는 근거리 수치사진측량에서 널리 유용하게 사용되고 있으며 점차 활용도가 증가하고 있다. 또한 사진측량 장비의 급속한 발전으로 정밀도가 많이 향상되었고 컴퓨터를 이용한 지형공간정보체계기술의 발달로 더욱 정밀한 3차원 지형의 재현과 면적 및 토공량 산정이 가능하게 되었다. 본 연구에서는 휴대가 간편하고 수치영상의 자체저장능력을 지닌 디지털 카메라를 이용하여 촬영조건의 다양한 변화에 따른 위치오차를 분석하였으며 광속조정을 통하여 높은 정확도의 화소 좌표를 획득하여 3차원 지형의 모니터링을 위한 기초 자료로 사용할 수 있도록 하였다. 또한 근거리수치사진측량기법의 국부지역모형생성과 문화재의 보존과 복원을 보다 효율적으로 하기 위해 수치정보 분석에 관한 연구를 수행하여 봉분의 3차원 구현에 대한 활용방안을 모색하였다. Digital high resolution cameras are widely available, and are increasingly use in digital close-range photogrammetry. And photogrammetry instruments are developing rapidly and the precision is improving continuously. The building of 3D terrains of high precision are possible and the calculation of the areas or the earthwork volumes have high precision due to the development of the technique of the spatial information system using computer. Using the digital camera which has capacity of keeping numerical value by itself and easy carrying, we analyze the positioning error according to various change of photographing condition. Also we try to find a effective method of acquiring basis data for 3D monitoring of high-accuracy in pixel degree through digital close-range photogrammetry with bundle adjustment for local terrain model generation and 3D embodiment of tumulus. In the study is about to efficient analysis of digital information data for conservation of cultural properties.
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문두열,김영만,이성수,김명수,신상호 東義大學校産業技術開發硏究所 2011 産業技術硏究誌 Vol.25 No.-
본 연구에서는 직접 모형 지형을 만들어 정밀 계측한 모래를 검정 토공량으로 하여 정확도 평가의 기준으로 하였다. 그 다음 현장조건과 똑같이 실측자와 무타켓 광파측거의에 의한 3차원 표고 자료를 구하여 7 가지의 토공량 계산식에 적용하여 그 정확도를 분석하였다. 그 결과 굴곡이 심한 지형에서는 최소곡률 보간법이 가장 정확하였다. 반면, 완만한 지형에서는 스플라인 자연경계조건과 최소곡률 보간법의 정확도가 상대적으로 최근린보간법 보다 2% 더 높게 나타났다. 모든 지형에서 역거리 보간법, 선형삼각형보간법, RBF 보간법은 상호 정확도가 비슷하나, 최근린보간법은 5가지 지형 모두 정확도가 가장 저조하게 나타났다. The present study performed a series of model topographies with exactly known amount of earth works, and used them as the exact earth work verification. For this experiments, a Reflectorless Total Station was used to measure the exact topography. The measured data were used to verify the seven formulas for earth work calculation. The analyses revealed that for steep topography the minimum curvature interpolation method was the most accurate. For mild slope topography, the spline natural boundary condition method and the minimum curvature interpolation method showed the best results, which were 2% higher than the nearest neighbor method. For all five topographies, the inverse distance method, the spline natural condition method, and the RBF(radial basis function) interpolation methods have similar accuracies, and the triangulation method with linear interpolation showed the poorest accuracy.
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文斗烈 東義大學校産業技術開發硏究所 1990 産業技術硏究誌 Vol.4 No.-
In this paper, interpolation for calculation excavation volume of irregular boundary region is applied. Excavation volume of irregular boundary region is based on an extension of Newton-Cotes formulas. As a result, spot levels method by nonlinear formulas provied a better accuracy than the linear formulars to excavation volume. And application of the folmulas is compared with a model test.
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문두열 東義大學校産業技術開發硏究所 1998 産業技術硏究誌 Vol.12 No.-
The combined bundle block adjustment with projection center coordinates determined by standard deviations of the ground coordinates of ± 10cm or even better can be reached. The interpolation with a time interval of 3sec in the study area RHEIKAMP is quite t to interpolation with a time interval of 6~7sec in the study area MASS.
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문두열,김영만,이성수 東義大學校産業技術開發硏究所 2009 産業技術硏究誌 Vol.23 No.-
현재 우리나라에서는 국가 기본도를 비롯하여 여러 축척의 수치지도가 제작되어있다. 그러나 현재의 수치지도는 항공사진측량 또는 위성영상을 이용하여 신규제작이나 수정․갱신이 이루어지고 있지만, 산업의 발달과 국가경제 성장으로 인하여 수시로 변화하는 지형․지물에 대한 즉각적인 수정이나 갱신을 실시하기에는 많은 어려움이 있다. 따라서 본 연구에서는3차원 레이저스캐닝(3D Laser Scanning)을 국부지역에 적용하여 실제 지형과 같은 3차원 공간좌표로 취득하여 수치지도 수정갱신에 요구하는 측위 정확도 제시와 실험에 적용하여 사용자 편의를 제공하고자 한다. Nowadays, various digital maps on a reduced scale were drawn in Korea including the topographic series of a nation. Though these digital maps are drawn and revised by using aerial photogrammetry or satellite image, there are some problems that it is fficultto revise or renew the topography and natural feature immediately which changes frequently. As the countermeasuresof these problems we use 3D Laser Scanning accumbency method, which provides user with convenience andaccumbency accuracy which is required to revise and renew digital maps.
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문두열 東義大學校 産業技術開發硏究所 1999 産業技術硏究誌 Vol.13 No.-
We changed goo-spatial data of road and urban planning among urban basic facilities to numbers, keyed attribute information in the database and applied to specific area. So, this study shows following results; 1. Finding a new way to contain the information of GSIS as a database properly to the current high industrial & informative society and numbering the base map which needs the most time and endeavor make it possible to integrate and manage map information with various forms and to propose the exact data in a minute. 2. People can synthetically plan as they use the integrates geospatial database of road and urban planning which is kept by every other departments. 3. It can help urban planning to develop operating system which can do edition, revision, management of urban facilities of the basis of map information database.
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