Recent content by JEM3345

  1. J

    Fuzzy Point Clouds

    Thanks for taking the time to give such a detailed reply. Many of the things you mention as causing problems with elevation I have been suspecting. I have more time now to test the accuracy of new methods different variables with the virus slow down. One immediate take away is that I'll start...
  2. J

    Fuzzy Point Clouds

    I should also mention that I've been using Trimble business center to classify the ground region, and then sample it down a second or third time by re extracting the ground again, but it still sees potholes and piles where there are none so the only solution I've found is to manually crop those...
  3. J

    Fuzzy Point Clouds

    How do you improve your point clouds pre and post processing. What flight settings, camera and gimbal settings, altitude, flight app, etc? We use UAV photogrammetry point clouds to keep our survey crews out of busy roads that we need to profile, but often have to do a lot of filtering and...
  4. J

    Where to buy GCP plastic target ?

    I use white spray paint Xs on asphalt or a dot in the center of storm/sewer structure lids wherever possible so that I don't have to go back to retrieve any targets. When I need targets in the grass or somewhere where I can't paint I buy floor tiles (closest to white I can find at the hardware...