@article{aerialgroundlidarplacerecognitionwithpat, title = {Aerial-ground LiDAR place recognition with patch-level self-supervised learning and expanded reciprocal re-ranking}, author = {Yandi Yang and Xianghong Zou and Jianping Li and Haofeng Xie and Saurav Uprety and Hongzhou Yang and Naser El-Sheimy}, year = {2026}, eprint = {2606.18583}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2606.18583}, }