Chenyu

Hi, the compilation of the global_sfm branch is not thoroughly tested (I only tested it on Ubuntu 20.04), therefore I did not merge it into the main branch. I plan...

okay. Would you mind submitting a PR to fix this issue? For example, we can obtain the version number of COLMAP to use different interfaces.

Alright. You may try my branch instead: https://github.com/AIBluefisher/colmap .

Keep this issue opening if the problem is still not solved.

Could you provide the database or images ?

Did you follow the installation guide and use the [install script](https://github.com/AIBluefisher/DReg-NeRF/blob/main/scripts/env/install.sh)?

The issue may be caused by NeRFAcc. I met the same problem once and then I tested several versions of Pytorch. On my computer, the torch version specified in the...