Thanks for the link. > *...one of the things the program found is that the drones are not good at seeing through tree canopies. This is surprising for me... Y

Thanks for the link. > *...one of the things the program found is that the drones are not good at seeing through tree canopies. This is surprising for me... Yeah, if you dig around a bit you can find infrared and near-infrared images of trees and forests, and overhead IR shots of forest canopies. Trees give off a surprising amount of IR.