A digital map developed by researchers at the nonprofit Global Fishing Watch, in collaboration with the U.S. Department of Defense's Defense Innovation Unit, uses satellite radar imagery to identify potential illegal fishing vessels.
Computer-vision algorithms can be used to weed through these satellite images, rather than depending on humans to undertake the time-consuming task.
The researchers compared known ship locations determined by Automatic Identification System (AIS) data to petabytes of information from the EU's Sentinel-1 radar satellites, which identify the signatures of vessels in coastal waters to pinpoint areas where vessels are operating without their AIS transponders on.
From New Scientist
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