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Created by Vladimir
Created on Apr 10, 2021

Use of DJI XMP tags in jpeg files

DJI drones write drone and camera direction in XMP tags stored in JPEG images.
Example:

MakerNotes
Make
DJI
Speed X
+5.80
Speed Y
-3.40
Speed Z
+0.00
Pitch
-5.00
Yaw
-29.00
Roll
-2.10

Camera Pitch -46.50
Camera Yaw
+0.20
Camera Roll
+0.00

XMP
Make
DJI
Camera Model Name
FC7203
Format
image/jpg
Absolute Altitude
+48.93
Relative Altitude
+86.90
Gimbal Roll Degree +
0.00
Gimbal Yaw Degree
+0.20
Gimbal Pitch Degree
-46.50
Flight Roll Degree
-2.10
Flight Yaw Degree -
29.00
Flight Pitch Degree -
5.00
Cam Reverse
0
Gimbal Reverse
0

Combine with GPS position you can calculate draft position and orientation of camera fructum and to projecting image (and user marks) on height data to detect visible area.

This will to help speedup calculate aertriangulation.

  • Oto Lukss
    Reply
    |
    Apr 12, 2021

    DJI non-RTK UAVs doesn't store GPS altitude in photo tags because it is not realiable.