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논문 상세정보

수지표고지형의 정확도 향상을 위한 지형의 분류와 보간법의 상용에 관한 연구

A Study on the Application of Interpolation and Terrain Classification for Accuracy Improvement of Digital Elevation Model

Abstract

In this study, terrain classification, which was done by using the quantitative classification parameters and suitable interpolation method was applied to improve the accuracy of digital elevation models, and to increase its practical use of aerial photogrammetry. A terrain area was classified into three groups using the quantitative classification parameters to the ratio of horizontal, inclined area, magnitude of harmonic vectors, deviation of vector, the number of breakline and proposed the suitable interpolation. Also, the accuracy of digital elevation models was improved in case of large grid intervals by applying combined interpolation suitable for each terrain group. As a result of this study, I have an algorithm to perform the classification of the topography in the area of interest objectively and decided optimal data interpolation scheme for given topography.

참고문헌 (25)

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  5. Terrain Anaylsis and Accuracy Prediction by means of the Fourier Transformation , Crespoi.M.;Forlani.G.;Mussio.L.;Radicioni.F. , ⅩⅥ ISP Conggress Commission Ⅲ. / v.,pp.284-293, 1988
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  20. Digital Terrain Model-Ap-resentation of the practical Application of some Existing DTM , Wilson.S. , Intercommissional Working Group Ⅳ/Ⅴ. ISP. / v.,pp., 1968
  21. Precision in Cross-Sectional Area Calculations on Earth-work Determination , Youssuf,M.Siyam , ASCE. Journal of Surveying Engineering / v.113,pp., 1987
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  25. 地形の水量化 , 村井俊治 , 日本上水學會誌 / v.,pp.93-99, 1973

이 논문을 인용한 문헌 (1)

  1. 2002. "A Study on Computing Pit Excavation Volume by Terrain Surface Approximation" 韓國海洋工學會誌 = Journal of ocean engineering and technology, 16(6): 37~43 

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