Just How Accurate is Your Drone – Real World Testing Results

Just How Accurate is Your Drone – Real World Testing Results
January 19, 2018 Mike Tully

 

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9 Comments

  1. Lewis Graham 3 months ago

    Hi Mike,
    You will get much better results with a mechanical shutter. For the DJI, try the X4s – very nice camera (and less expensive than the X5s).
    I am surprised at the very large vertical error. We are typically seeing an RMSE of about 5 cm vertical and seldom ever more than 10 cm Peak to Peak (bare earth such as mining but even with very large vertical elevation ranges such as deep pits).

    We have also found a lot of the DJI mission control apps to be less than desirable. We finally settled on DJI Ground Station Pro. It works quite well.

    • Author
      Mike Tully 3 months ago

      Good tips. Thanks, Lewis. I share your low confidence using rolling shutter cameras after seeing these results. Your observation about large vertical error is interesting. Our results may be higher because the photogrammetrically-derived DEMs we tested were not edited. The only bare-earth DEMs we tested were from the Riegl VUX on the Vapor 55 and the Leica ALS70 in the manned aircraft.

      • Author
        Mike Tully 3 months ago

        Thanks, Lewis. I share your low confidence using rolling shutter cameras after seeing these results and others. Your observation about large vertical error is interesting. Our results may be higher because the photogrammetrically-derived DEMs we tested were not edited. The only bare-earth DEMs we tested were from the Riegl VUX on the Vapor 55 and the Leica ALS70 in the manned aircraft.

  2. Brian Forrester 3 months ago

    Hi Mike,
    Figure 8: I am not seeing the difference between Full Control and Some Control….different scale, but basically same result?

    Brian

    • Author
      Mike Tully 3 months ago

      My apologies. Figure 8b was a misprint. It has been updated to reflect the correct results.

  3. stacy lunsford 3 months ago

    Thank You Mike!

  4. Mikael Sejersen 3 months ago

    Any chance that the article will come for download/read again?

  5. W. B. Mitchell 3 months ago

    Is this article going to be back up anytime soon? I’m getting an error on this page.

  6. W. B. Mitchell 2 months ago

    I would still like to read this article. Can you send me an updated link?

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