Torsten Sattler

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By the time Colmap was developed, there weren't many alternatives to SIFT.

The coordinate system used by Colmap is defined up to some arbitrary rotation, translation, and scaling and strongly depends on the first images that are added to the reconstruction. It...

You can use the `image_undistorter` to create undistorted versions of the images (removing radial and other distortions such that the resulting images can be described by a pinhole model). It...

You can have a look at `colmap model_aligner` from the command line.

Are you following the format of the input file with the target positions (image_name X Y Z), with one line per image with known position X, Y, Z?

I can try to look into it once I find sufficient time (probably in about two weeks).

Here is example code for reading the Colmaps depth maps in python: https://github.com/colmap/colmap/blob/main/scripts/python/read_write_dense.py Once you have loaded the depth maps, you will need to convert them into the pfm format...