Tong, Haoyang, Hongbo Wang, Jin Liu, Qi Wang, Jie Cao, and Ran He. “CoGrad3D: Spatially-Coupled Timestep Optimization With Orthogonal Gradient Fusion for 3D Generation”. Proceedings of the AAAI Conference on Artificial Intelligence 40, no. 12 (March 14, 2026): 9539–9547. Accessed May 14, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/37915.