Gong, Y., Shi, D., Zhao, L., Zhang, Y., Qu, L., Hou, X., Xu, C., Gao, J., Zhou, Y., Wang, Z. (2026). SA-TransU²Net: a rock thin section grain segmentation network based on multi-scale RSU and global context enhancement. Scientific Reports. https://doi.org/10.1038/s41598-026-61703-3