Difference between nadir for drones vs crewed flights
Civil Air Patrol just adopted a new website to upload aerial photography to FEMA. The name of the website is Disasters Geoplatform Imagery Data Management Portal by ESRI. One procedure made me wonder about how drones work.
When we classify the photos, we are instructed to classify nadir photos from sUAS as nadir, and all photos from fixed-wing crewed aircraft taken with hand-held Nikon cameras as oblique. We are to do this even if we have made our best effort to take nadir photos with the hand-held cameras.
Is there something about drones that help them do a better job of keeping the optical axis of the camera pointed straight down? These photos would be before any post-processing to stitch them together.
I have several crewed aircraft aerial photo flights under my belt, but am just getting started with drones.
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