Cui, M., J. Long, M. Feng, B. Li, and H. Kai. “OctFormer: Efficient Octree-Based Transformer for Point Cloud Compression With Local Enhancement”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 37, no. 1, June 2023, pp. 470-8, doi:10.1609/aaai.v37i1.25121.