Worthwhile read on this topic in a Mapillary blog article.
I created this short video to show the impressive capabilities of SfM:
I have yet to follow up on this (now very old blog post) but SfM for position correction is a huge and underutilized opportunity:
Part of the challenge is for aggregate services like Mapillary, doing so is computationally expensive. For individuals, however, it’s pretty achievable.
But who knows, with FB deep pockets, Mapillary may be doing more than they were.