wikkedwoman wrote with a link to a Washington Post story about the use of satellite imagery to detect atrocities around the world. The story details Amnesty International's efforts to identify areas in the world that may have been subject to man-made disasters. By comparing and contrasting imagery captured over time, researchers can produce hard evidence to present to a hard-to-please international community. "Tonight, [Amnesty Researcher Jeremy] Nelson begins his work by making a copy of the [older] shot in the right-hand screen and pasting it directly over the [newer] one on the left. Then he makes the top one nearly transparent. A river that cuts through the scene becomes a marker to help him line up the two. Now he can easily flip back and forth to look for changes. Sudanese huts tend to follow a similar pattern: a solid base ring with a steep, thatched roof. In the earlier image, they show up as small circles, with a slight shading to the dome, depending on the direction of the sun. Nelson draws a small, green circle slightly larger than the area of the average hut and makes several dozen copies of it ... When he finishes, he moves the 2007 shot to the top and begins the ****ysis again ... parts of this region were burned so thoroughly that there's nothing left but a large black scar. If you didn't know that huts were there before, you'd have no idea they were now gone. 'Whoever did this did a good job,' he says quietly. 'Thorough, at least.'"
Read more of this story at Slashdot.
Link To Original Article
Satellite Images Used to Document International Atrocities
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