Zhao, An, Shengyuan Zhang, Zejian Li, Ling Yang, Pei Chen, Jiale Wu, Haoran Xu, AnYang Wei, Perry Pengyun Gu, and Lingyun Sun. 2026. “Diffusion Distillation With Direct Preference Optimization for Efficient 3D LiDAR Scene Completion”. Proceedings of the AAAI Conference on Artificial Intelligence 40 (15):13070-78. https://doi.org/10.1609/aaai.v40i15.38307.