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NTIS 바로가기대한원격탐사학회지 = Korean journal of remote sensing, v.35 no.3, 2019년, pp.359 - 373
이슬기 (강원대학교 통합과학전공) , 박성재 (강원대학교 통합과학전공) , 백경민 (강원대학교 과학교육학부) , 김한별 (강원대학교 과학교육학부) , 이창욱 (강원대학교 과학교육학부)
Bursaphelenchus xylophilus(Pine wilt disease) is a serious threat to the pine forest in Korea. However, dead wood observation by Pine wilt disease is based on field survey. Therefore, it is difficult to observe large-scale forests due to physical and economic problems. In this paper, high resolution...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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역전파 알고리즘(Back-Propagation on Algorithm)의 기대효과는? | 두 번째 단계는 목표 출력과 첫 번째 단계에서의 출력 차이를 계산하여 오차를 계산하고 각 층의 가중치와 바이어스를 갱신하는 것이다. 갱신한 가중치와 바이어스를 이용하여 다시 전 방향으로 출력하게 되면 첫 번째 단계에서 얻은 출력보다 오차가 적어진다. 이 과정을 반복하면서 계산 값과 실제 값의 차이를 최소화 시키는 분류를 진행하는 방법이다(Robert, 1992). | |
소나무재선충병이란? | 산림 병해 중 하나인 소나무재선충병은 우리나라 소나무림에 심각한 위협이 되는 질병이다. 소나무 재선충을 보유한 매개충(북방수염하늘소, 솔수염하늘소 등)이 나무 사이를 이동하며, 나무를 섭취할 때 소나무 재선충이 나무 조직 내부로 침입 및 증식하여 뿌리로부터 올라오는 수분과 양분 이동을 방해하여 나무를 말라 죽게 하는 병이다(Kim et al., 2003). | |
무인항공기를 활용한 원격탐사의 장점은 무엇인가? | , 2017). 특히, 무인항공기를 활용한 원격탐사는 신속성, 동시성을 가지며 소규모 지역에 대해 고해상도 영상자료를 얻을 수 있기 때문에 특정 장소에 대하여 더욱 정밀한 분석이 가능하다(Choi et al., 2011; Kim et al. |
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