Journal of the Korean earth science society (한국지구과학회지)

The Korean Earth Science Society (한국지구과학회)
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A Survey of Yeosu Sado Dinosaur Tracksite and Utilization of Educational Materials using 3D Photogrammetry

3D 사진측량법을 이용한 여수 사도 공룡발자국 화석산지 조사 및 교육자료 활용방안

  • Jo, Hyemin (Faculty of Earth Systems and Environmental Sciences & Korea Dinosaur Research Center, Chonnam National University) ;
  • Hong, Minsun (Faculty of Earth Systems and Environmental Sciences & Korea Dinosaur Research Center, Chonnam National University) ;
  • Son, Jongju (Faculty of Earth Systems and Environmental Sciences & Korea Dinosaur Research Center, Chonnam National University) ;
  • Lee, Hyun-Yeong (Faculty of Earth Systems and Environmental Sciences & Korea Dinosaur Research Center, Chonnam National University) ;
  • Park, Kyeong-Beom (Department of Industrial Engineering, Chonnam National University) ;
  • Jung, Jongyun (Department of Geological and Environmental Sciences, Chonnam National University) ;
  • Huh, Min (Faculty of Earth Systems and Environmental Sciences & Korea Dinosaur Research Center, Chonnam National University)
  • 조혜민 (전남대학교 지구환경과학부 & 한국공룡연구센터) ;
  • 홍민선 (전남대학교 지구환경과학부 & 한국공룡연구센터) ;
  • 손종주 (전남대학교 지구환경과학부 & 한국공룡연구센터) ;
  • 이현영 (전남대학교 지구환경과학부 & 한국공룡연구센터) ;
  • 박경범 (전남대학교 산업공학과) ;
  • 정종윤 (전남대학교 지질환경과학과 & 한국공룡연구센터) ;
  • 허민 (전남대학교 지구환경과학부 & 한국공룡연구센터)
  • Received : 2021.10.15
  • Accepted : 2021.12.09
  • Published : 2021.12.31
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Abstract

The Yeosu Sado dinosaur tracksite is well known for many dinosaur tracks and research on the gregarious behavior of dinosaurs. In addition, various geological and geographical heritage sites are distributed on Sado Island. However, educational field trips for students are very limited due to accessibility according to its geological location, time constraints due to tides, and continuous weathering and damage. Therefore, this study aims to generate 3D models and images of dinosaur tracks using the photogrammetric method, which has recently been used in various fields, and then discuss the possibility of using them as paleontological research and educational contents. As a result of checking the obtained 3D images and models, it was possible to confirm the existence of footprints that were not previously discovered or could not represent details by naked eyes or photos. Even previously discovered tracks could possibly present details using 3D images that could not be expressed by photos or interpretive drawings. In addition, the 3D model of dinosaur tracks can be preserved as semi-permanent data, enabling various forms of utilization and preservation. Here we apply 3D printing and mobile augmented reality content using photogrammetric 3D models for a virtual field trip, and these models acquired by photogrammetry can be used in various educational content fields that require 3D models.

여수 사도 공룡발자국 화석지는 많은 수의 공룡발자국 화석과 함께 공룡의 집단행동에 대한 연구로 잘 알려진 지역이다. 또한 다양한 종류의 지질유산 및 지형유산이 분포하고 있어 지질관광과 지질교육의 장으로 주목받고 있다. 그러나 지리적 위치에 따른 접근성, 조차에 의한 시간적 제약, 지속적인 풍화 및 훼손에 의해 학생들의 교육을 위한 야외조사는 매우 제한적으로만 이루어지고 있다. 따라서 이번 연구는 최근 다양한 분야에서 이용되고 있는 사진측량법을 이용하여 사도의 공룡발자국 화석들의 3D 모델과 이미지를 생성한 후 이를 통해 과거에 확인하지 못한 화석에 대한 세부적인 정보를 확인함과 동시에 이를 교육자료로 활용 할 수 있는 방안에 대하여 제안하고자 한다. 획득한 3D 이미지를 통해 확인한 결과 기존에 육안이나 사진으로 확인하지 못하였던 일부 발자국 화석들의 존재를 확인할 수 있었고 기존에 발견된 화석이라도 사진이나 해석 드로잉으로 표현하지 못하였던 세부를 이미지로 나타낼 수 있었다. 또한 발자국 화석의 3D 모델은 향후 반영구적인 데이터로 보존할 수 있어 여러 형태로의 활용과 보존이 가능하다. 이번 연구에서는 사진측량법으로 얻어진 3D 모델을 활용하여 3D 프린팅 및 가상야외조사에 활용할 모바일 증강현실 콘텐츠를 구현하였으며 향후 3D 모델이 필요한 다양한 교육 콘텐츠 분야에서 사진측량법을 활용할 수 있을 것으로 보인다.

Keywords

Acknowledgement

야외 조사에 도움을 주신 여수 사도 김장수 이장님, 전남대학교 지구환경과학부 김민국 학생, 장준혁 학생, 지오컨버전스센터 차범근 연구원, 사진측량법을 통한 연구 방법에 조언을 주신 공주대학교 이찬희 교수님, 조영훈 교수님, 3D 프린팅에 도움과 조언을 주신 전남대학교 지구환경과학부 지구물질과학연구실 성동훈 교수님, 김현수 연구원, 김계홍 연구원에게 특별한 감사를 드린다. 마지막으로 본 논문을 심사해 주신 익명의 심사위원님들에게 깊은 감사를 표한다.

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