Novel submarine cable water area AIS target detection method

Abstract

The invention relates to a novel submarine cable water area AIS target detection method. The method comprises the steps that AIS data sent by a ship around a harbor area is received, the water area ofthe harbor area is subjected to hierarchical gridding, and a ship ID is associated with coordinate positions of different levels; the AIS data is screened according to a time interval and a selectedtarget area, grid processing is carried out on the target area, and the frequency of the ship at different levels of grids is calculated to obtain a ship distribution frequency histogram; an image model is built by utilizing ship position information, the ship sailing trend is predicted by using a discrete random distribution Markov prediction model, and a prediction curve of the navigation trackof the target ship is formed; the information of the ship near the high-grade warning water area is extracted, and the information of the ship is identified in a graded grid chart of the harbor area,wherein the information of the ship includes the ship ID, the course and the navigational speed; a VHF radio station is controlled to broadcast to the ship near the high-grade warning water area. According to the method, the safety of the submarine cable water area is improved.

Description

technical field [0001] The invention relates to the fields of ship automatic identification system (AIS), VHF radio technology and computer graphics processing technology, in particular to a novel submarine cable water area AIS target detection method. Background technique [0002] With the continuous increase in the application requirements and positioning accuracy of target position detection and ship track broadcasting in the area boundary of the submarine cable, timely and accurate grasp of the position of the relevant ships in the area boundary and its course prediction have become the core of intelligent submarine cable protection. the core element. However, in the prior art, it is not possible to automatically analyze the probability of a ship entering high-level grid waters in time according to the information sent by the ship's automatic identification system (AIS), and it is also impossible to make corresponding marks on the chart and automatically check the probab...

AI Technical Summary

Problems solved by technology

However, in the prior art, it is not possible to automatically analyze the probability of a ship entering high-level grid waters in time according to the information sent by the ship's automatic identification system (AIS), and it is also impossible to make corresponding marks on the chart and automatically check the probability of entering through VHF. Ships in high-level grid waters broadcast reminders, causing ships to damage the submarine cables in the port area

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