Metric scale is underestimated by ~3

[Dawars]

As the images show the scale of the brandenburg gate (and many other buildings) are underestimated by ~3.
I find this surprising, what kinds of images is it expected to work well with?

[Nik-V9]

Hi, thanks for testing it out!

Metric scale estimation is strongly driven by priors and training data used. It also depends on how good the focal length estimation is. I believe this is a scene featured in MegaDepth where the dataset is up to scale so I wouldn't expect MapAnything to be precise.

I believe that this can be easily mitigated by finetuning on AerialMegaDepth: #36 (unfortunately we can't add any new datasets to the current release and any new datasets will be used in upcoming variants of MapAnything).

[Dawars]

I also tried with intrinsic/extrinsic priors from the colmap reconstruction but same result

[Nik-V9]

Unfortunately, I believe that only metric poses would improve the result.