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Proceedings Paper

Multisource oil spill detection
Author(s): Arnt B. Salberg; Siri O. Larsen; Maciel Zortea
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Paper Abstract

In this paper we discuss how multisource data (wind, ocean-current, optical, bathymetric, automatic identification systems (AIS)) may be used to improve oil spill detection in SAR images, with emphasis on the use of automatic oil spill detection algorithms. We focus particularly on AIS, optical, and bathymetric data. For the AIS data we propose an algorithm for integrating AIS ship tracks into automatic oil spill detection in order to improve the confidence estimate of a potential oil spill. We demonstrate the use of ancillary data on a set of SAR images. Regarding the use of optical data, we did not observe a clear correspondence between high chlorophyll values (estimated from products derived from optical data) and observed slicks in the SAR image. Bathymetric data was shown to be a good data source for removing false detections caused by e.g. sand banks on low tide. For the AIS data we observed that a polluter could be identified for some dark slicks, however, a precise oil drift model is needed in order to identify the polluter with high certainty.

Paper Details

Date Published: 17 October 2013
PDF: 15 pages
Proc. SPIE 8892, Image and Signal Processing for Remote Sensing XIX, 88920W (17 October 2013); doi: 10.1117/12.2029208
Show Author Affiliations
Arnt B. Salberg, Norsk Regnesentral (Norway)
Siri O. Larsen, Norsk Regnesentral (Norway)
Maciel Zortea, Norsk Regnesentral (Norway)

Published in SPIE Proceedings Vol. 8892:
Image and Signal Processing for Remote Sensing XIX
Lorenzo Bruzzone, Editor(s)

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