Thinking about buying a Skydio and processing all images through odm → Does anyone have experience with running skydio datasets through ODM? I realise skydio is randomly flying around structures, thus adding lots of images with sky included.
Your feedback / experiences so far would be interesting to discuss.
1 Like
Nothing yet, though I agree, it’d be wonderful to get hands-on with Skydio data.
If you get one, would you be willing to help seed some test data for us?
Here you go - a telco tower. Can you access/download?
https://drive.google.com/drive/folders/1xKBe1Eb9rVDLaEoNOOexc_BFZERrAt9I?usp=sharing
80% overlap. 300+ images
I am particularly interested in how we might deal with corrupted reconstruction when sky shows in images. Totally aware of odm thriving with mapping and terrain/environmental modelling, but maybe there is a way to get structures reconstructed well with this amount of imagery.
This is what I get with skydio software.
1 Like
Use the --auto-boundary option when processing a dataset; it will filter out anything outside of the camera location boundaries (including the sky). You need the latest version of ODM for that option.
1 Like
Thanks for sharing a Skydio dataset! I don’t think anyone had shared one yet, so we’ve never been able to test it officially.
2 Likes
I just finished a run with that vs no auto-boundary. I hope to have screenshots soon (provided the no auto-boundary actually finishes, which it may not).
Created on: 10/26/2021, 8:18:40 PM
Processing Node: Lightning - UAV4Geo (manual)
Options: auto-boundary: true, cog: true, crop: 0, debug: true, dem-gapfill-steps: 4, dem-resolution: 1, dsm: true, dtm: true, matcher-neighbors: 16, mesh-size: 300000, min-num-features: 16000, orthophoto-resolution: 1, pc-classify: true, pc-ept: true, pc-filter: 1, pc-geometric: true, pc-quality: high, use-3dmesh: true, verbose: true
Average GSD: 0.09 cm
Area: 145.69 m²
Reconstructed Points: 14,957
hblanken-9234-autoboundary_Report.pdf (2.7 MB)
I don’t see the Skydio in the OpenSFM database, so I’m not sure if adding it might help reconstruction any.
I’ve opened a PR:
1 Like
Thank you @saijin_naib - this is consistent with my results. Surprising to me.
Good idea reg. OpenSFM.
I can get further datasets if this helps?
1 Like
Yes, if it isn’t too much trouble for you!
I’d love to see other collection types like more typical aerial field survey, maybe a building or wall survey…
But whatever you can provide is excellent.
This alone was helpful, and this is a super cool dataset. More example datasets will help even more.
I made some good progress, but won’t be able to work on this more until the New Year. But maybe we should work on putting together a funding campaign for improvements for orbited objects like this at that time, with special emphasis on quality of cell tower outputs.
2 Likes
Amazing! Looks almost better vs the skydio render 
Let me get some more datasets of ‘orbited’ objects.
2 Likes
@smathermather @Saijin_Naib
Do you like a challenge 
Try this:
https://drive.google.com/drive/folders/1Q5o98WQm9bMBCgbeL3_TDmhmY0viR4H_?usp=sharing
2 Likes
Stephen’s doing some magic to his stuff, so I’m quite excited to see what he can tease out of that dataset!
I’m a bit more reserved, but happy with the current state of what I can pull from just loading/processing the data as-is:
Created on: 10/28/2021, 4:05:47 PM
Processing Node: Lightning - UAV4Geo (manual)
Options: auto-boundary: true, cog: true, crop: 0, debug: true, dem-gapfill-steps: 4, dem-resolution: 1, dsm: true, dtm: true, feature-type: orb, matcher-neighbors: 16, mesh-size: 300000, min-num-features: 160000, orthophoto-resolution: 1, pc-classify: true, pc-ept: true, pc-filter: 0, pc-geometric: true, pc-quality: high, resize-to: -1, use-3dmesh: true, verbose: true
Average GSD: 0.19 cm
Area: 154.54 m²
Reconstructed Points: 155,449
I hope I can get something reasonable out of the pylons, too!
Created on: 11/1/2021, 1:48:00 PM
Processing Node: Lightning - UAV4Geo (manual)
Options: auto-boundary: true, cog: true, crop: 0, debug: true, dem-gapfill-steps: 4, dem-resolution: 1, dsm: true, dtm: true, feature-type: orb, matcher-neighbors: 0, mesh-size: 300000, min-num-features: 1600000, orthophoto-resolution: 1, pc-classify: true, pc-ept: true, pc-filter: 0, pc-geometric: true, pc-quality: high, resize-to: -1, use-3dmesh: true, verbose: true
Average GSD: 11.62 cm
Area: 708.75 m²
Reconstructed Points: 9,576,421
Created on: 11/1/2021, 3:49:31 PM
Processing Node: Lightning - UAV4Geo (manual)
Options: auto-boundary: true, boundary: {"type":"FeatureCollection","name":"hblanken-9234-12-boundary","crs":{"type":"name","properties":{"name":"urn:ogc:def:crs:OGC:1.3:CRS84"}},"features":[{"type":"Feature","properties":{},"geometry":{"type":"Polygon","coordinates":[[[150.793827317975,-34.435710430832785],[150.79383151001545,-34.43555099346689],[150.7941398630476,-34.43555655868901],[150.79413567159193,-34.435715996087914],[150.793827317975,-34.435710430832785]]]}}]}, cog: true, crop: 0, debug: true, dem-gapfill-steps: 4, dem-resolution: 1, dsm: true, dtm: true, feature-type: orb, matcher-neighbors: 0, mesh-size: 300000, min-num-features: 1600000, orthophoto-resolution: 1, pc-classify: true, pc-ept: true, pc-filter: 0, pc-geometric: true, pc-quality: high, resize-to: -1, use-3dmesh: true, verbose: true
Average GSD: 11.63 cm
Area: 707.82 m²
Reconstructed Points: 809,994
Marginally better, but I think at this point we need smathermagic.
This is a nightmare. Absolutely achievable with tuning, but my word… .
2 Likes
Also, as someone who has stayed the heck away from 330kv installations, this is painful to look at. Wow. I love that this is possible to fly.
2 Likes
This topic was automatically closed 30 days after the last reply. New replies are no longer allowed.