Point cloud registration aligns multiple unposed point clouds into a common reference frame and is a core step for 3D reconstruction and robot localization. RAP casts registration as conditional generation: a learned, continuous point-wise velocity field transports noisy points to a registered scene, from which the pose of each view is recovered.
Unlike prior methods that perform correspondence matching to estimate pairwise transformations and then optimize a pose graph for multi-view registration, RAP directly generates the registered point cloud, yielding both efficiency and point-level global consistency.
For details on installation and running inference, please check the
official GitHub repository.
1@article{pan2025arxiv,
2 title = {{Register Any Point: Scaling 3D Point Cloud Registration by Flow Matching}},
3 author = {Pan, Yue and Sun, Tao and Zhu, Liyuan and Nunes, Lucas and Armeni, Iro and Behley, Jens and Stachniss, Cyrill},
4 journal = {arXiv preprint arXiv:2512.01850},
5 year = {2025}
6}