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colmap.md

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id colmap
name COLMAP
url https://colmap.github.io
category tools
subcategories
photogrammetry
pipeline
license BSD-3-Clause
license_spdx BSD-3-Clause
commercial true
attribution_required false
formats
BIN
TXT
PLY
OBJ
tags
photogrammetry
sfm
mvs
added 2026-08-24
verified 2026-08-24
status active

COLMAP

ETH Zurich / UNC Chapel Hill Structure-from-Motion and Multi-View Stereo pipeline with a GUI, CLI, and PyCOLMAP. Same job as Meshroom: photos in, sparse cameras plus dense mesh/point cloud out. The library is the "new BSD" license (BSD-3-Clause). COPYING.txt warns that building against COLMAP's dependencies "may affect the resulting COLMAP license." Pages fetched on 2026-08-24 do not assign a license to exported reconstructions. Your photos, and whatever they depict, stay outside the BSD grant.

Notes

  • Homepage: colmap.github.io. License file: colmap/colmap COPYING.txt
  • Sample datasets on demuc.de are for tutorials. Do not treat them as a CC0 kit
  • Incremental SfM wants overlap. Phone bursts of a prop on a turntable work; random holiday folders usually do not
  • Learned features (ALIKED, LoMa) need ONNX at build time. Default is SIFT
  • Checklist: BSD text visible, commercial redistribution of the software permitted with notice, no NC/ND, not a marketplace, ETH/UNC named, not blocklisted, tool vs export ownership unquoted

Evidence

  • Live COPYING.txt (2026-08-24): "The COLMAP library is licensed under the new BSD license"
  • Same file (2026-08-24): "Redistribution and use in source and binary forms, with or without modification, are permitted"
  • Same file (2026-08-24): "Building COLMAP with these dependencies may affect the resulting COLMAP license"

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