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Computer Vision and Ship Traffic Analysis: Inferring Maneuver Patterns From the Automatic Identification System

Moan T., Aarsæther K.

TransNav : International Journal on Marine Navigation and Safety of Sea Transportation

2010

Vol. 4, no. 3

303--308

The Automatic Identification System has proven itself as a valuable source for ship traffic information. Its introduction has reversed the previous situation with scarcity of precise data from ship traffic and has instead posed the reverse challenge of coping with an overabundance of data. The number of time series available for ship manoeuvring analysis has increased from tens, or hundreds, to several thousands. Sifting through this data manually, either to find the salient features of traffic, or to provide statistical distribu-tions of decision variables is an extremely time consuming procedure. In this paper we present the results of applying computer vision techniques to this problem and show how it is possible to automatically separate AIS data in order to obtain traffic statistics and prevailing features down to the scale of individual manoeuvres and how this procedure enables the production of a simplified model of ship traffic.

ECDIS Operator Training

Rudolph J.

TransNav : International Journal on Marine Navigation and Safety of Sea Transportation

2007

Vol. 1, no. 1

77--81

An Electronic Chart Display and Information System (ECDIS) is a highly advanced and powerful navigational aid, specifically designed for enhancing safety at sea. With the growing adoption of ECDIS (ECS) there is an increasing number of Officers who need to be trained in its use. Given the flexibility of the labor market, it is highly likely that Officers may arrive onboard a ship without experience or training. To adequately train responsible personnel, Transas has developed specialized ECDIS Operator Training Equipment. In the papers Jochen Rudolph focuses on the requirements set out by existing IMO regulations for ECDIS operators and outlines the distinctive features of the ECDIS Operator Training.