SCO-AG-ARBRO-western-cemetery-chapel TEST-SFM-13D Model
SCO-AG-ARBRO-western-cemetery-chapel TEST-SFM-1
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More model information4822/5000 photos, Sparse generated with COLMAP in 305 minutes on R9 3900XT w/ GTX 1660 Super:
- F-Ext 15 mins
- F-Mat 25 mins
- Recon 265 mins
Pre-COLMAP preparation
The photos in this set were captured with the same sensor but with a zoom lens at different values of zoom (so different focal lengths). In COLMAP the SfM performs better when working with Shared Intrinsics, or failing that, Shared Intrinsics per sub-folder. So these photos were separated into folders w.r.t. focal length, e.g. see https://www.youtube.com/watch?v=X-sv3Vvf2es
COLMAP settings
- F-E: performed in GUI, default settings incl. Camera Model SimpleRadial, except ‘Shared per sub-folder’ enabled and max_num_features lowered to 1024
- F-M: GUI, default, vocabtree 256k (using the pre-trained provided by Johannes)
- Recon.: performed in Command Line using hierarchical_mapper (vid tut for fellow non-coders imminent!).
Then optionally, import to Metashape for Dense, e.g. see https://www.youtube.com/watch?v=Fw4BIGGeCC4
CC AttributionCreative Commons Attribution
Mar 7th 2021
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