G. Grisetti et al. Improved techniques for grid mapping with rao-blackwellized particle filters. IEEE Transaction on Robotics, 23(1):34-46, February 2007.
M. Tomono. A scan matching method using euclidean invariant signature for global localization and map building. In Proc. IEEE ICRA, pages 866-871, 2004.
K. Irie et al. A compact and portable implementation of graph-based slam. In Proc. ROBOMECH, pages 2P2-B01, 2017.