Pan, Zhiyi, Nan Zhang, Wei Gao, Shan Liu, and Ge Li. “Point Cloud Semantic Segmentation With Sparse and Inhomogeneous Annotations”. Proceedings of the AAAI Conference on Artificial Intelligence 39, no. 6 (April 11, 2025): 6354-6362. Accessed April 25, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/32680.