shipping routes project
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Shipping Routes Project. Scott Phan An Nguyen Presentation 27, June 2011. studyabroad.iit.demokritos.gr. Shipping in the Aegean Sea. Mediterranean Sea supports between 4-18% of the worlds species - PowerPoint PPT PresentationTRANSCRIPT
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Institute of Informatics and Telecommunications – NCSR “Demokritos”
Shipping Routes Project
Scott PhanAn Nguyen
Presentation27, June 2011
studyabroad.iit.demokritos.gr
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ML & DM Lab 2
Shipping in the Aegean Sea
Mediterranean Sea supports between 4-18% of the worlds species
Aegean Sea is an area of the Mediterranean which carries high biological importance, due to the relatively low coastal development.
However, the preservation of this ecosystem is being left largely to chance, with few protection measures in place. If damage to the area increases or a major event the results could be severe.
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ML & DM Lab 3
Shipping in the Aegean Sea
Hundreds of cargo, tanker and passenger ships pass through the Aegean Sea every day. The potential impacts of shipping, commercial and recreational, are vast.
Ships can affect marine biota in the following ways:– Underwater noise created by ships– Anchoring– Grounding– Direct collisions– Carrying invasive species– Operational oil discharges– Accidental oil discharges– Thermal Discharges
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ML & DM Lab 4
Project Motivation
The Aegean Sea lacks efficient mechanisms to manage, monitor and regulate ship traffic conditions.
To decrease the chance of ecological disturbance events, strict shipping lanes must be established and enforced.
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ML & DM Lab 5
Project Motivation
Over the last few months, the marine and GIS teams from Archipelagos have been working on a major shipping project.
From November 12, 2009 to April 29, 2010, data on all of the
tankers and cargos that travelled between Samos, Ikaria, Mykonos, Andros, and Nisos Evia were recorded.
The data was received from www.marinetraffic.com and www.mariweb.gr, which track and record data from shipping vessels.
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ML & DM Lab 6
Accumulated Ship Trajectories in the Aegean
Article:“Update on Shipping Data collection at Archipelagos”- Chris Fletcher
Linkhttp://workjournal.archipelago.gr/?p=1348
Project Motivation
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ML & DM Lab 7
Project Goals
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Database Design/Implementations
Import/Decode AIS data
GUI Design/Data Visualization
Data Mining / Risk Management
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ML & DM Lab 8
Project Goals: Details
1. Create a Graphical User Interface (GUI) [done]
2. Place ship markers at arbitrary pixel locations on the map [done]
3. Parse the AIS database and plot each ship at a given time interval on the map [done]
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ML & DM Lab 9
Project Goals: Details
4. Create a function to assign a scalar “risk value” for each ship given certain database attributes for each ship (cargo, size, proximity to coast and other ships, flag, etc) [In Progress]
5. Create a visual identifier to show the risk of each ship (change color, display numeric label, etc) [done]
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ML & DM Lab 10
Project Goals
7. Create a function to assess the risk of a particular map pixel location based on the number and proximity of ships within a given radius and proximity to land [In Progress]
8. Create a map view which shows risky areas in red and less risky areas in green/blue. This “risk density map [In Progress]
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ML & DM Lab 11
Approach: Area of Interest
Spatial Bounds
Lat [35, 39]Lon [21, 29]Aegean Sea
Ignore all data that falls outside the boundaries
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ML & DM Lab 12
Approach: About the Input
Huge data collections Good facilities to collect real time data Accurate information to predict the trend of routes and risk
management
Used dataset provided by International Maritime Information Systems (IMIS)– Covers 2 days worth of AIS messages
Challenges with the IMIS dataset:– Raw data - not decoded– Not well managed
Redundant data (3x redundant)– Database not as supportive for GIS development
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ML & DM Lab 13
Approach: About the Input
Automatic Identification System (AIS)– is an automated tracking system used on ships and by Vessel Traffic
Services (VTS) for identifying and locating vessels by electronically exchanging data with other nearby ships and VTS stations.
– AIS information supplements marine radar, which continues to be the primary method of collision avoidance for water transport.
Types of Info. Encapsulated within the Messages– Static [MMSI number, IMO number, callsign, ship name and type,
dimension]– Dynamic [position, time, speed, heading, course over ground,
rate of turn, navigational status]– Trajectory-based [destination, estimated time of arrival, draught]
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ML & DM Lab 14
Approach: About the Input
Encoded Spatial Data within the Database
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ML & DM Lab 15
Approach: About the Input
Decoding the Encoded Spatial Data
Input : 0101000020E6100000000000604A653840000000E0FBB14240
Decoding
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ML & DM Lab 16
Approach: Software Architecture
Database
IMIS Database NASA 3D maps API
Graphic User Interface
GUI
Control
Raw Data 3D maps
Controller
SQL Query
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ML & DM Lab 17
Approach: Graphical User Interface
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ML & DM Lab 18
Approach: Data Flow Architecture (Part I)
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ML & DM Lab 19
Approach: Data Flow Architecture
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ML & DM Lab 20
Approach: Output - Visualization
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ML & DM Lab 21
Approach: Output - Visualization
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One more thing
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How we get data?
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MySQL dump files
Extracted AIS Data
PostgreSQL/PostGIS
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How long does it take?
3hours/file
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SQL Importing Tool
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Demo
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ML & DM Lab 27
Future Work
1. Prepare paper for publishing
2. Implement proximity function to find nearest land from a given point in the sea
3. Design and implement the data mining API and UI
4. Research shipping risk assessment methods
5. Implement density plotting with respect to risk assessment of a spatial area
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ML & DM Lab 28
Acknowledgements
Archipelagos - Institute of Marine Conservation “KNOWLEDGE DISCOVERY FROM MARITIME MOVING OBJECTS - APPLICATION
TO AEGEAN SEA” – Cyril Ray, Naval Academy Research Lab, December 2010
NCSR Demokritos
University of The Aegean
International Maritime Information Systems (IMIS)
CSE Dept. @ University of Texas at Arlington
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Questions?
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