Zhou, Feng, Pu Cao, Yiyang Ma, Lu Yang, Yonghao Dang, and Jianqin Yin. 2026. “Exploring Position Encoding Mechanism in Diffusion U-Net for Training-Free High-Resolution Image Generation”. Proceedings of the AAAI Conference on Artificial Intelligence 40 (16):13602-10. https://doi.org/10.1609/aaai.v40i16.38366.