A trained network to annotate raster images of floor plans was just published by Archilyse under AGPL. You can try it under the link above, additional information is shared in the discord channel.

Previously, Archilyse has published the largest curated dataset of dwellings https://doi.org/10.5281/zenodo.7070951 and its full codebase https://github.com/Archilyse for data labelling, quality assurance, georeferencing , simulation, and benchmarking.

Archilyse is one of the world's leading R&D teams regarding the document class floor plan and cooperates with several famous universities.