Shen, Y., L. Hui, H. Jiang, J. Xie, and J. Yang. “Reliable Inlier Evaluation for Unsupervised Point Cloud Registration”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 36, no. 2, June 2022, pp. 2198-06, doi:10.1609/aaai.v36i2.20117.