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Author Topic: Vertical and horizontal accuracy of point cloud?  (Read 2067 times)

photoscan_user

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Vertical and horizontal accuracy of point cloud?
« on: February 19, 2016, 07:42:55 PM »
What is theoretical vertical and horizontal accuracy of point cloud without using GCP points (just using GPS positions of images from UAV)?

How it depend on camera model, flight height, image overlap, UAV GPS accuracy?

JMR

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Re: Vertical and horizontal accuracy of point cloud?
« Reply #1 on: February 19, 2016, 11:32:44 PM »
Hello:
From my experience you cannot rely on regular any UAV on board gps unless it can deliver precise positioning by means of diferential GPS corrections. Not at all.
Not to mention many UAVs tagg photos with altitude over home (not over ellipsoid or sea level) in round meters.