We use a DJI Inspire 2 with a Zenmuse X4S camera for data acquisition, flying at 70m height and speed of 7m/s. We haven't had any blurred photos at the height or speed we fly. We understand that for such a large area, a fixed wing drone is more feasible which we are looking into for future use. But for our current POC, we've gotta make do with what we've got. So the question about how many GCP's for a certain area is a real issue considering GCP's are pretty expensive in this part of the world.
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