@article{s2fnetarobustspatialspectralfusionframew, title = {S^2F-Net:A Robust Spatial-Spectral Fusion Framework for Cross-Model AIGC Detection}, author = {Xiangyu Hu and Yicheng Hong and Hongchuang Zheng and Wenjun Zeng and Bingyao Liu}, year = {2026}, eprint = {2601.12313}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2601.12313}, }