A Study on the Usefulness of Photogrammetry through 3D Recording of the Rock-carved Standing Buddha in Singyeong-ri, Hongseong

홍성 신경리 마애여래입상의 3차원 기록화를 통한 포토그래메트리의 유용성 연구

  • Oh, Jun-Young (a Dept. of Heritage Conservation and Restoration, Graduate School of Cultural Heritage, Korea National University of Cultural Heritage) ;
  • Kim, Choong-Sik (Dept. of Traditional Landscape Architecture, Korea National University of Cultural Heritage)
  • 오준영 (한국전통문화대학교 문화유산전문대학원 문화재수리기술학과) ;
  • 김충식 (한국전통문화대학교 전통조경학과)
  • Received : 2017.03.31
  • Accepted : 2017.08.18
  • Published : 2017.09.30


The purpose of this study is to improve the usefulness of photogrammetry in the field of cultural heritage recording concentrated on laser scanning. Two measurement methods(laser scanning, photogrammetry) were compared in terms of accuracy and reality for the Rock-carved Standing Buddha in Singyeong-ri, Hongseong. With regard to accuracy, the distances of major points by both shape information and between the two shape information were compared. Only a deviation of about 1mm was found in the distance measurement of the major points by both shape information. In particular, the average distance between two shape information identified through aligning was only about 0.01mm. Also, the absolute deviation within about 2mm accounted for 70% of the total, and the absolute deviation within about 3.5mm was found to be 95.4% of the total. These values showed very high similarity between laser scanning and photogrammetry-based shape information. In respect of reality, the carved depth, texture, and patterns were compared. As a result of comparing four cross-sectional shapes, only slight differences were found in the shape information of both measurement techniques and similar shapes were identified. The overall texture of both shape information was also similar. However, the detailed shape based on the photogrammetry with decimation is realized with a smoother texture than the original and laser scanning. In particular, Photogrammetry also realistically expressed the various ornaments carved in the Rock-carved Buddha and the patterns with shallow depths were comparatively detailed.


Supported by : 중소기업청


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