Validation of OceanSuite ship detection in RADARSAT-2 imagery with AISSat-1 space-based and MSSIS coastal AIS data


  1. Sandirasegaram, N.
  2. Vachon, P.W.
  3. English, R.A.
  4. Olsen, R.
  5. Eriksen, T.
  6. Hannevik, T-N.
Corporate Authors
Defence R&D Canada - Ottawa, Ottawa ONT (CAN)
OceanSuite (OS) is a software developed by the Department of National Defence Canada to carry out ship detection on RADARSAT-2 images within operational timeframes. In this report, OS ship detections are validated using AISSat-1 and MSSIS (Maritime Safety and Security Information System) Automatic Identification System (AIS) data. AISSat-1 is a Norwegian nanosatellite that carries a space-based AIS payload. MSSIS contains AIS data from coastal-based AIS receivers. A total of 18 RADARSAT-2 data collections were executed for this evaluation. Validation was conducted according to a set of predefined validation criteria. The OS detector performance was quantified in terms of probability of detection and probability of false alarm metrics. Validation results and associations between AISSat-1 and MSSIS, AISSat-1 and OS, and MSSIS and OS are reported. There we 1482 validated ships of which OS-declared 65%. OS alone accounted for more than 21% of the validated ships.

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Report Number
DRDC-OTTAWA-TM-2013-119 — Technical Memorandum
Date of publication
01 Dec 2013
Number of Pages
Electronic Document(PDF)

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