Isolating ships from shape curve with DBSCAN

This paper proposes a video surveillance system to position ships in a ship lock. A background subtraction method is employed to extract the foreground of all ships. Subsequently, the DBSCAN clustering algorithm is applied to isolate each ship from the curves scanned from the extracted foreground regions. The system can locate adjacent ships and identify each one in real time. Theoretical analyses and experiments show that the performance of the whole system depends on the quality of the foreground extraction. A robust backgrounds subtraction method can bring improved system performance.