Explore how to improve SfM feature detector. The problem we face is that point feature detector which is used for iTwin capture areotriangulation is struggling in urban settings as there are not many features on white painted textureless facades but there are edges(windows, doors, roof lines etc.) which can be used to align photos.

Papers:
https://enpc.hal.science/hal-01416342/file/icpr_lsd.pdf

https://github.com/cvg/DeepLSD