There's a couple of different services that are taking a "Mechanical Turk" approach to this problem right now. Probably the largest is Tomnod, which has had vol

There's a couple of different services that are taking a "Mechanical Turk" approach to this problem right now. Probably the largest is Tomnod, which has had volunteers classify objects in satellite images for both SAR and humanitarian tasks: https://www.tomnod.com/ https://www.tomnod.com/