Mapping Accuracy with the Mavic Mini

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Sometimes even optimists are surprised!  We processed Mavic Mini images and the GCPs in Civil Tracker. After which we compared the RTK GPS check point elevations with the drone survey elevation. I have plotted the check points and colored them by the difference in elevation.

Drone Hill shade with GPS Check Points showing high accuracy results Drone hill shade with GPS Check Points showing high accuracy results

In the image above green points are within 5 cm (2″). Next, blue points are within 10 cm and finally the single red point has a difference greater than 10 cm.

The mean difference was -1.4 cm and the RMSE was 4.8 cm. These results where better than expected and provided the operator with great confidence in the drone mapping.

Read more on the Full Post.

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