XU, M.; ZHOU, Z.; ZHANG, J.; QIAO, Y. Investigate Indistinguishable Points in Semantic Segmentation of 3D Point Cloud. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 35, n. 4, p. 3047-3055, 2021. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/16413. Acesso em: 15 oct. 2021.