This is a quick step-by-step guide for doing photogrammetry in COLMAP.
You should also read the official documentation, and their tutorial in particular: https://colmap.github.io/tutorial.html. I got most of my knowledge from there.
For parameter explanation you can consult this page: https://github.com/mwtarnowski/colmap-parameters.
Got questions? They may be answered here: https://colmap.github.io/faq.html.
Preparing images:
- Create your project directory.