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This is an aerial photography technique making it possible to obtain, by processing a series of photographs, an image which can be perfectly superimposed on a map on which precise measurements can be made.

To take an orthophoto, a satellite image cannot  suit  due to the highly variable positional relationship between the satellite and the area photographed and the low sharpness of the images. The drone technology then intervenes, and allows a total control of the verticality of the shooting and a very high resolution.  image.


satellite image

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