Journal of the Korean Association of Geographic Information Studies (한국지리정보학회지)

The Korean Association of Geographic Information Studies (한국지리정보학회)
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Analysis of Cropland Spectral Properties and Vegetation Index Using UAV

UAV를 이용한 농경지 분광특성 및 식생지수 분석

  • LEE, Geun-Sang (Dept. of Cadastre & Civil Engineering, Vision College of Jeonju) ;
  • CHOI, Yun-Woong (Dept. of Civil Construction Engineering, Chosun College of Science & Technology)
  • 이근상 (전주비전대학교 지적토목학과) ;
  • 최연웅 (조선이공대학교 토목건설과)
  • Received : 2019.11.27
  • Accepted : 2019.12.18
  • Published : 2019.12.31
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Abstract

Remote sensing technology has been continuously developed both quantitatively and qualitatively, including platform development, exploration area, and exploration functions. Recently, the use cases and related researches in the agricultural field are increasing. Also, since it is possible to detect and quantify the condition of cropland and establish management plans and policy support for cropland and agricultural environment, it is being studied in various fields such as crop growth abnormality determination and crop estimation based on time series information. The purpose of this study was to analyze the vegetation index for agricultural land reclamation area using a UAV equipped with a multi-spectral sensor. In addition, field surveys were conducted to evaluate the accuracy of vegetation indices calculated from multispectral image data obtained using UAV. The most appropriate vegetation index was derived by evaluating the correlation between vegetation index calculated by field survey and vegetation index calculated from UAV multispectral image, and was used to analyze vegetation index of the entire area.

원격탐사 기술은 플랫폼 개발, 탐사면적 및 탐사기능 등 양적 및 질적 향상의 관점에서 지속적으로 발전되어왔으며 비용절감 및 현장자료보완의 방법으로 유용하게 활용되고 있다. 최근에는 농업분야에서의 활용사례와 관련연구가 증가하는 추세에 있으며 농경지의 상태를 탐지하고 정량화하여 농경지 및 농업환경에 대한 관리방안 수립 및 정책지원이 가능하기 때문에 농작물 생육이상 판별, 시계열 정보에 의한 작황 추정 등 다양한 분야에서 연구되고 있다. 본 연구에서는 다중분광센서를 장착한 UAV를 이용하여 간척지 농경지에 대한 식생지수를 분석하고자 하였다. 한편, UAV를 이용하여 취득한 다중분광영상 자료로부터 산정된 식생지수의 정확도를 평가하기 위해서 현지 조사를 실시하였다. 현지조사에 의한 식생지수와 UAV 다중분광영상으로부터 산정된 식생지수간의 상관성을 평가함으로써 가장 적절한 식생지수를 도출하였으며 대상지역 전체에 대한 식생지수 분석에 활용하고자 하였다.

Keywords

References

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