Abstract
Marine debris is defined as a substance that is intentionally or inadvertently left on the coast or is harmful to the marine environment due to inflow and discharge. It can be divided into floating debris, sedimentary debris, and beach litter depending on its location. In this study, UAV and YOLOv5x were used to detect beach litter economically and efficiently. The research area is the coastal area of Geoje-si, Gyeongsangnam-do, and Gadeokdo, Gangseo-gu, Busan, and beach litter detection research was conducted by collecting images by altitude and characteristics of UAVs. When detecting coastal drifting garbage by altitude, the accuracy was the highest at an altitude of 0.727, and the detection accuracy of PET was 0.776 when detecting beach litter by type. After that, as a result of visualizing the detection results, it was possible to show the spatial distribution status of beach litter.
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