Light3R-SfM replaces global bundle adjustment in Structure-from-Motion with a learned attention module and a sparse tree of image pairs, cutting runtime by up to two orders of magnitude while keeping competitive pose accuracy.
Scene coordinate reconstruction: Pos- ing of image collections via incremental learning of a relo- calizer
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Light3R-SfM: Towards Feed-forward Structure-from-Motion
Light3R-SfM replaces global bundle adjustment in Structure-from-Motion with a learned attention module and a sparse tree of image pairs, cutting runtime by up to two orders of magnitude while keeping competitive pose accuracy.