Sonata: Self-Supervised Learning of Reliable Point Representations

Xiaoyang Wu, Daniel DeTone, Duncan Frost, Tianwei Shen, Chris Xie, Nan Yang, Jakob Engel, Richard Newcombe, Hengshuang Zhao, Julian Straub · CVPR 2025 · 2025

DOI arXiv Code Project page

Status
To read
Topics
backbones
Feeds
First paper · height sampling

What they did

Identifies a "geometric shortcut" that makes self-supervised point representations collapse to low-level spatial features, and avoids it by obscuring spatial information and relying more on input features, giving representations that work under linear probing.

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Code

Repository
facebookresearch/sonata
Framework
PyTorch
Licence
Apache-2.0
My status
Not tried

BibTeX

@inproceedings{wu2025-sonata,
  title = {{Sonata: Self-Supervised Learning of Reliable Point Representations}},
  author = {Xiaoyang Wu and Daniel DeTone and Duncan Frost and Tianwei Shen and Chris Xie and Nan Yang and Jakob Engel and Richard Newcombe and Hengshuang Zhao and Julian Straub},
  booktitle = {CVPR 2025},
  year = {2025},
  doi = {10.1109/CVPR52734.2025.02067},
  eprint = {2503.16429},
  archivePrefix = {arXiv}
}