Ship collision risk analysis method based on AIS (automatic identification system) data

The invention discloses a ship collision risk analysis method based on AIS (automatic identification system) data. Based on historical AIS data and standard ship selection and conversion, a density clustering algorithm is used for establishing a heat map of a ship collision risk to realize spatiotem...

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Hauptverfasser:	LIANG MAOHAN, LIU WEN, LIU ZHAO, SUN PENG, XU SHUGAO, LIU JINGXIAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS SIGNALLING TRAFFIC CONTROL SYSTEMS
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creator	LIANG MAOHAN LIU WEN LIU ZHAO SUN PENG XU SHUGAO LIU JINGXIAN
description	The invention discloses a ship collision risk analysis method based on AIS (automatic identification system) data. Based on historical AIS data and standard ship selection and conversion, a density clustering algorithm is used for establishing a heat map of a ship collision risk to realize spatiotemporal visualization of the ship collision risk; based on real-time AIS data and the ship position field, the course direction field, and the navigational speed field, a regional ship collision risk assessment model is constructed, and a Gaussian kernel function kernel density estimation algorithm isused for proposing a dynamic ship collision risk visualization method to realize areal-time update of the regional ship collision risk. The ship collision risk analysis method is based on the AISdata,the spatiotemporal visualization of the ship collision risk is realized,the visual image after the complex abstract ship traffic flow multi-attribute information is effectively dug and fused is realized, so that the risk lev
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subjects	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS SIGNALLING TRAFFIC CONTROL SYSTEMS
title	Ship collision risk analysis method based on AIS (automatic identification system) data
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