@article{dynamicgradientsparsificationtrainingfor, title = {Dynamic Gradient Sparsification Training for Few-Shot Fine-tuning of CT Lymph Node Segmentation Foundation Model}, author = {Zihao Luo and Zijun Gao and Wenjun Liao and Shichuan Zhang and Guotai Wang and Xiangde Luo}, year = {2025}, eprint = {2503.00748}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2503.00748v1}, }