# RangeNav: Task-Aligned LiDAR Range-Image Pretraining for Robot Navigation

- Source: arXiv cs.RO
- Published: 2026-10-22T04:00:00.000Z
- RoboHot: https://robohot.news/en/items/rdlmme0kerqb5mw1ksjei8pti
- Original: https://arxiv.org/abs/2610.29845

## Summary

RangeNav is a LiDAR range-image encoder with only 183,000 parameters, pretrained entirely on synthetic data, that uses anisotropic convolutions and circular padding to handle the extreme aspect ratio and azimuthal seam of range images.