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논문 기본 정보

자료유형
학술저널
저자정보
전우진 (부경대학교) 진동현 (부경대학교) 성노훈 (부경대학교) 정대성 (부경대학교) 심수영 (부경대학교) 우종호 (부경대학교) 변유경 (부경대학교) 김나연 (부경대학교) 한경수 (부경대학교)
저널정보
대한원격탐사학회 대한원격탐사학회지 대한원격탐사학회지 제39권 제1호
발행연도
2023.2
수록면
77 - 86 (10page)
DOI
https://doi.org/10.7780/kjrs.2023.39.1.5

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Ship detection is widely used in areas such as maritime security, maritime traffic, fisheriesmanagement, illegal fishing, and border control, and ship detection is important for rapid response and damageminimization as ship accident rates increase due to recent increases in international maritime traffic. Currently,according to a number of global and national regulations, ships must be equipped with automatic identificationsystem (AIS), which provide information such as the location and speed of the ship periodically at regularintervals. However, most small vessels (less than 300 tons) are not obligated to install the transponder and maynot be transmitted intentionally or accidentally. There is even a case of misuse of the ship’s location information. Therefore, in this study, ship detection was performed using high-resolution optical satellite images that canperiodically remotely detect a wide range and detect small ships. However, optical images can cause false-alarmdue to noise on the surface of the sea, such as waves, or factors indicating ship-like brightness, such as cloudsand wakes. So, it is important to remove these factors to improve the accuracy of ship detection. In this study,false alarm was reduced, and the accuracy of ship detection was improved by removing wake. As a ship detectionmethod, ship detection was performed using machine learning-based random forest (RF), and convolutionalneural network (CNN) techniques that have been widely used in object detection fields recently, and ship detectionresults by the model were compared and analyzed. In addition, in this study, the results of RF and CNN werecombined to improve the phenomenon of ship disconnection and the phenomenon of small detection. The shipdetection results of this study are significant in that they improved the limitations of each model while maintainingaccuracy. In addition, if satellite images with improved spatial resolution are utilized in the future, it is expectedthat ship and wake simultaneous detection with higher accuracy will be performed.

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