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View Diary: Could search for Nigerian girls be crowdsourced on GoogleEarth? (22 comments)

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  •  Right-o. Even if they WERE real time (2+ / 0-)
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    wilderness voice, Librarianmom

    you cant see thru a forest canopy unless youre on the bridge of the Starship Enterprise.

    •  If you had three-letter-agency tech... (2+ / 0-)
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      wilderness voice, 6412093

      You can use various bands of infrared, thermal infrared, radar, lidar to deal with that problem.

      You can see through tree canopies, but again, the amount of terrain is so large that you're collecting insane amounts of data and searching for a needle in a haystack.

      •  Somebody call CNN! (2+ / 0-)
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        wilderness voice, Chinton

        They are just coming off many successful sitings of that plane--don't want to let all that experience go to waste!

        The more you learn, the less you know.

        by quiet in NC on Thu May 08, 2014 at 09:53:12 AM PDT

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      •  Im not sure that works outside of PREDATOR movies (0+ / 0-)

        but its a good question.

        •  Radar can penetrate forest canopies. (1+ / 0-)
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          But radar has its own quirks, so the images of what's beneath them won't be high-quality. Finding people or even trucks down there won't be simple.

          Lidar (of the kind that one might fly on a Predator drone) might also be able to detect objects beneath a forest canopy. Again, picking out shapes of people or trucks or interesting objects is a computational challenge.

          I'm not saying it can't be done, but it is hard. Especially when looking for specific things in huge land-areas.

          And that assumes that the Nigerian government will let us do things like flying drones or U2 spy planes over the areas in question. Which they might...

          •  A lot of the processing (0+ / 0-)

            has to be done with a mark one eyeball.  Although the imagery may be good, shape recognition, especially where, for example, the lidar images produce very different shapes and patterns which would be impossible to interpret any other way. It is better though at imaging underground features - notably work in Egypt has revealed a number of new pyramids, cities and other archaelogical features.

            "Come to Sochi, visit the gay clubs and play with the bears" - NOT a Russian advertising slogan.

            by Lib Dem FoP on Fri May 09, 2014 at 09:52:38 AM PDT

            [ Parent ]

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