Abstract
Incremental Structure-from-Motion is a prevalent strat-egy for 3D reconstruction from unordered image collec-tions. While incremental reconstruction systems havetremendously advanced in all regards, robustness, accu-racy, completeness, and scalability remain the key problems towards building a truly general-purpose pipeline. We pro-pose a new SfM technique that improves upon the state ofthe art to make a further step towards this ultimate goal. The full reconstruction pipeline is released to the public asan open-source implementation.