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- W2334294562 abstract "본 논문에서는 해양환경에서 취득한 열상 영상에서 물표를 강건하게 탐지하고 추적하는 알고리즘을 제안한다. 먼저 2-D 이산 Harr 웨이블렛 변환(DHWT) 기법을 이용하여 수평, 수직에지를 얻은 다음 수직 및 수평 에지들을 서로 곱하여 하나의 영상으로 결합해 돌출지도를 생성한다. 그런 다음 돌출지도를 이진화하여 물표를 추출한다. 물표를 추적하기 위하여 인접한 프레임에 존재하는 물체간의 가중치가 부여된 유클리디언 거리를 정합척도로 사용하였으며, 정합결과에 대해 물체의 나타남, 사라짐, 잘못된 물체 추출 등을 고려한 궤적관리를 통하여 최종적인 물체 궤적을 얻는다. 실험결과는 제안하는 알고리즘이 물체를 강건하게 추적함을 보인다. In this paper, we proposed a robust object extraction and tracking algorithm in the IR image sequence acquired in the sea environment. In order to extract size-invariant object, we detect horizontal and vertical edges by using DWT and combine it to generate saliency map. To extract object region, binarization technique is applied to saliency map. The correspondences between objects in consecutive frames are defined by the calculating minimum weighted Euclidean distance as a matching measure. Finally, object trajectories are determined by considering false correspondences such as entering object, vanishing objects and false object and so on. The proposed algorithm can find trajectories robustly, which has shown by experimental results." @default.
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- W2334294562 date "2014-06-25" @default.
- W2334294562 modified "2023-10-17" @default.
- W2334294562 title "Robust Object Extraction Algorithm in the Sea Environment" @default.
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- W2334294562 doi "https://doi.org/10.5391/jkiis.2014.24.3.298" @default.
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