@article{vanguardvehicleanchoredgroundsampledista, title = {VANGUARD: Vehicle-Anchored Ground Sample Distance Estimation for UAVs in GPS-Denied Environments}, author = {Yifei Chen and Xupeng Chen and Feng Wang and Niangang Jiao and Jiayin Liu}, year = {2026}, eprint = {2603.04277}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2603.04277}, }