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Structure-from-Motion Revisited

Algorithm
COLMAP SfM

Abstract

Incremental Structure-from-Motion is a prevalent strategy for 3D reconstruction from unordered image collections. While incremental reconstruction systems have tremendously advanced in all regards, robustness, accuracy, completeness, and scalability remain the key problems towards building a truly general-purpose pipeline. We propose a new SfM technique that improves upon the state of the art to make a further step towards this ultimate goal. The full reconstruction pipeline is released to the public as an open-source implementation.

Summary

Revisits incremental SfM as a complete, robust pipeline, combining geometric verification, careful triangulation, image registration, and bundle-adjustment decisions. The resulting COLMAP system became a reference open-source implementation for reconstructing large unordered photo collections.

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