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NTIS 바로가기대한원격탐사학회지 = Korean journal of remote sensing, v.36 no.2 pt.1, 2020년, pp.199 - 215
전의익 ((주)지오스토리 기술연구소) , 김성학 ((주)지오스토리 기술연구소) , 김병섭 (한국수산자원공단) , 박경현 (한국수산자원공단) , 최옥인 (한국수산자원공단)
A seagrass that is marine vascular plants plays an important role in the marine ecosystem, so periodic monitoring ofseagrass habitatsis being performed. Recently, the use of dronesthat can easily acquire very high-resolution imagery is increasing to efficiently monitor seagrass habitats. And deep le...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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분할이란 무엇인가? | 분류는 입력영상 내의 객체의 종류를 구분하는 것이고, 탐지는 영상에서 객체 구분과 위치 정보를 제공하는 것을 의미한다. 분할은 영상 내 모든 화소의 클래스를 정해주는 것을 의미한다. 분할은 다시 같은 클래스의 객체를 서로 다른 개체로 분류하는 개체분할(Instance segmentation)과 개체를 구분하지 않는 의미론적 분할(Semantic segmentation)로 구분된다. | |
분할은 무엇으로 구분되는가? | 분할은 영상 내 모든 화소의 클래스를 정해주는 것을 의미한다. 분할은 다시 같은 클래스의 객체를 서로 다른 개체로 분류하는 개체분할(Instance segmentation)과 개체를 구분하지 않는 의미론적 분할(Semantic segmentation)로 구분된다. 기존 영상인식에서는 입력영상이 다양하고 복잡하다는 점과 영상인식 알고리즘이 매우 복잡한 연산과정을 필요로 한다는 점, 많은 양의 데이터를 처리하기 위한 메모리가 요구된다는 점에 있어 구현이 어려웠다. | |
잘피는 어떤 점에서 매우 중요한 생태적 기능을 하는 생물인가? | 잘피는 다양한 해양생물의 산란 및 서식지를 제공하고 지구온난화의 주요 요인인 이산화탄소를 흡수한다. 또한, 광합성 작용을 통해 해양생물의 호흡에 필요한 산소를 생산하여 공급한다는 점에서 매우 중요한 생태적 기능을 하는 생물이다(Thomas and Cornelisen, 2003). 그러나 1970년대 이후 산업화에 따른 무분별한 개발과 환경오염으로 인해 잘피의 개체 수가 현저하게 감소함에 따라 2007년에 해양수산부에서 보호대상 해양생물로 지정하여 한국수산자원공단에 의해 관리되고 있다(Lee and Lee, 2003; Park et al. |
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