@misc{Euclids_Gift,
title={Euclid's Gift: Enhancing Spatial Perception and Reasoning in Vision-Language Models via Geometric Surrogate Tasks},
author={Shijie Lian and Changti Wu and Laurence Tianruo Yang and Hang Yuan and Bin Yu and Lei Zhang and Kai Chen},
year={2026},
eprint={2509.24473},
archivePrefix={arXiv},
primaryClass={cs.CV}
}