CAcab404·Jan 26, 2025Submission
Local open-source Android 3D scanner
2 points · Open discussionlvonasek
3DLiveScanner
C++2024–2025
lvonasek / 3DLiveScanner
3DLiveScanner
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What Hacker News says
2 sourcesI wouldn't say high resolution, but you can get away with some scans with Android.
There are options but the devices are limited (and the applications too)
Samsung S20 series are the last to have it (And I think the Plus is the best one for it)
Going a little older the Note 10 Plus as well (also an awesome phone)
Of the same vintage there are some other devices. You have to look at the ARCore device list and Ctrl F for "ToF" https://developers.google.com/ar/devices
As for applications that can take advantage of the ARCore depth mapping there's RTAB-Map and 3D Live Scanner
https://github.com/introlab/rtabmap/releases/tag/0.21.4 (You'd want the android30 build)
https://github.com/lvonasek/3DLiveScanner/releases/tag/v2022
RTAB-Map is more fleshed out, but has a bit of a learning curve. By far my preferred way of capturing a scan. Be sure to
Read the rest
set the values up a little as the defaults are fairly reserved.
3DLiveScanner is more a shoot and done. You capture and it exports all in one with minimal settings to tweak. This was my go to forever before realizing RTAB-Map had builds that worked. It's very capabale for that it is and can get some really good scans setting the res to 2 or 1 cm.
Sample from the S20 Plus https://sketchfab.com/3d-models/polygonal-printer-f2855acc08...
https://sketchfab.com/3d-models/truck-in-the-bush-c2f9c1842e...
https://sketchfab.com/3d-models/3doggo-and-a-catscan-79f1f12...
Note 10 Plus was a big rougher but I don't know if I had found the size setting at that point https://sketchfab.com/3d-models/house-dd80af1455c74874951953...
As far as I'm aware there's nothing on the Android side slated to contain a ToF depth sensor.
Note: If you have a decent Android at the moment, ARCore by itself with dual cameras does surprisingly well for what it is.
Both of those applications will still do live on device scanning with only RGB cameras. 3DLiveScanner will just work if you want to try it.
RTAB-Map you have to go to Settings > Mapping > check Depth from Motion and then on the main screen very first item make sure ARCore NDK is set as the driver (See note above about tweaking the capture settings). The live scan will look a bit rough but if you capture as much detail as you can and let it process, results turn out much better after the processing.