From a technology perspective, the two major differences between them are the ultra high spatial resolution and the ability to get 3D information from the drones. Indeed, there are other differences but these are the two major ones.

Dear Vanderheyden Lisa

Precisely, Because, average cost of a raw satellite image is approximately one dollar for each sq km.

Kind Regards

Qamar Ul Islam

the major advantage of drones are images resolution. Satellites are used prinpally for culture classification because the most high resolution we have is around 10 m/pixel. With this resolution you cannot analyse a 1 m² plot. Howerver drone can generate images with 1cm/ pixel resolution.

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