1. Barsan, I.A., Wang, S., Pokrovsky, A. and Urtasun, R., 2020. Learning to localize using a lidar intensity map. arXiv preprint arXiv:2012.10902.
2. Place recognition using keypoint voting in large 3D lidar datasets;Bosse,2013
3. The trimmed iterative closest point algorithm;Chetverikov,2002
4. Point cloud descriptors for place recognition using sparse visual information;Cieslewski,2016
5. Delight: An efficient descriptor for global localisation using lidar intensities;Cop,2018