WU, W.; ZHANG, Y.; WANG, D.; LEI, Y. SK-Net: Deep Learning on Point Cloud via End-to-End Discovery of Spatial Keypoints. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 34, n. 04, p. 6422-6429, 2020. DOI: 10.1609/aaai.v34i04.6113. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/6113. Acesso em: 21 jan. 2022.