• Title/Summary/Keyword: 근거리 수치사진측량, 수치표고모델, 3D 모델링, 토공량

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3-D Topographical Modelling for Effective Application of Digital Photogrammetry (수치사진측량의 효율적 적용을 위한 3차원 지형모델링)

  • Bae, Kyoung-Ho;Yun, Bu-yeol;Shon, Ho-Woong
    • Journal of the Korean Geophysical Society
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    • v.9 no.4
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    • pp.371-376
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    • 2006
  • 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 modeling of high-accuracy in pixel degree through digital close-range photogrammetry with bundle adjustment for digital elevation model generation.

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