Eyes on Earth Episode 133 – Vietnam War Bomb Craters

Declassified spy satellite imagery, distributed by the USGS EROS Center, is finding fascinating uses since being made available to the public starting in the 1990s. In this episode of Eyes on Earth, we talk with Philipp Barthelme from the University of Edinburgh, who used imagery from the declassified HEXAGON and CORONA satellites to map bomb craters and herbicide spray lines from the Vietnam War. These features appear in the black and white photos quite clearly, so Barthelme worked out machine learning methods to automatically detect them. This method can help narrow down where to search for unexploded weapons and focus on the areas that are most contaminated.

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