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Recent content by nikhil

  1. nikhil

    DJI XT Thermal Mapping programs

    Hey Bob -- We're running a contest right now! Top submissions get featured on our site and a free radiometric map. Feel free to send a sample dataset from a disposal site. If you win you can post the results in this thread!!
  2. nikhil

    DJI XT Thermal Mapping programs

    Hi Bob -- We've recently seen clients use their XT 336 Performance to take R-JPEGs. I've seen mentions of a recent software update in another InspirePilots thread. But the major caveat is that the accuracy is ±20°C (see Zenmuse manual here). So while, for example, we could use those R-JPEGs to...
  3. nikhil

    DJI XT Thermal Mapping programs

    Hi Mick -- Yes to both of your questions! The drone professionals that we work with have a few preferred methods of capturing the imagery. If your flight contains fewer than 99 waypoints, the GS Pro app is decent. I've seen mixed success with other free capture apps. It's very important to...
  4. nikhil

    SRT files not playing in VLC

    I'm sure you tried this, but under Subtitles --> Subtitle Track there's an option to Disable or select Track 1. Otherwise, I found a couple forums that might help. A good test may be to see if subtitle files from an actual movie are working for you. Font issues: VLC not displaying subtitles -...
  5. nikhil

    DJI XT Thermal Mapping programs

    Hi elwoodblues -- We test different setups depending on the job requirements, but our first pass is generally using a DJI Inspire 1 with a Zenmuse XT advanced radiometry camera (640x512) with a 9 mm lens. We developed our own software to process the imagery. I highlight a couple methods for...
  6. nikhil

    XT for mapping organic waste disposal site

    There are a couple of ways to approach this challenge. As you pointed out, tuning each individual photo is time-consuming. You can appropriately project the images in space (as Bob has illustrated above), and click into the thermal images that you want to tune. This way, you're focusing only on...
  7. nikhil

    SRT files not playing in VLC

    Hi giumick -- Open the .MOV file in VLC media player. Once it's playing, at the top select Subtitles --> Add Subtitle File. Select the .SRT with the exact same name. I have included a screenshot of what you should see on your screen. We use the .SRT to create moving maps (good for...
  8. nikhil

    DJI XT Thermal Mapping programs

    We have a lot of experience generating radiometric orthomosaics (where each pixel maintains the temperature value) from radiometric files. Here are the best practices that we've seen result in the best thermal maps. Camera. Must output radiometric data. 9 mm or 13 mm lens. Higher resolution...