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Published 20 hours ago • verified publisher icon mapillary

global reconstruction

Open whulc opened this issue 2 years ago • 2 comments

I tried to use opensfm to reconstruct some images takes by a car camera with accurate GPS. As the number of images is quite large, it takes a lot of time to obtain the result. I have also tried to split the dateset into pieces and used align submodels to merge them, but there are some error in the connecting parts. So, is it possible to use opensfm to do global reconstruction like openmvg?

whulc avatar Jan 17 '23 07:01 whulc

Hi @whulc,

Make sure to have enough overlap when splitting the dataset. OpenSfM is slow when reconstructing more than a few hundred images.

fabianschenk avatar Jan 25 '23 09:01 fabianschenk

Thanks for your reply. Split the dateset did reduce the run time. Besides, accurate GPS and yaw angle for the image are given, I have already set the matching gps distance parameter, are there other parameters or tricks to speed up the process?.

whulc avatar Jan 30 '23 03:01 whulc