Wang, Zerun, Jiafeng Mao, Xueting Wang, and Toshihiko Yamasaki. “Difficulty Controlled Diffusion Model for Synthesizing Effective Training Data”. Proceedings of the AAAI Conference on Artificial Intelligence 40, no. 12 (March 14, 2026): 10367–10375. Accessed May 14, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/38007.