Offshore ship remote sensing monitoring system, platform and method

The invention discloses an offshore ship remote sensing monitoring system, platform and method. Characteristic comparison is carried out on ship data under a ship model item and remote sensing ship image data obtained by an offshore ship remote sensing technology to determine a specific model of a remote sensing ship. Technical support is provided for ship supervision work so that key port monitoring, abnormal event early warning and illegal ship tracking can be realized. The invention is characterized in that the system comprises a ship monitoring data preprocessing subsystem, a ship detection subsystem and a ship parameter extraction subsystem. The ship detection subsystem comprises a synthetic aperture radar SAR data ship detection module and an optical data ship detection module. The ship parameter extraction subsystem comprises a ship classification module, a ship identification module and a ship position and shape information extraction module, and the ship parameter extraction subsystem completes ship