經典的點雲配準

• Standard ICP
  Besl, Paul J., and Neil D. McKay. "A method for registration of 3-D shapes." IEEE Transactions on pattern analysis and machine intelligence 14.2 (1992): 239-256.

• KD-tree Approximation
  Greenspan, Michael, and Mike Yurick. "Approximate kd tree search for efficient ICP." 3-D Digital Imaging and Modeling, 2003. 3DIM 2003. Proceedings. Fourth International Conference on. IEEE, 2003.

• Soft Outlier Rejection
  Rusinkiewicz, Szymon, and Marc Levoy. "Efficient variants of the ICP algorithm." 3-D Digital Imaging and Modeling, 2001. Proceedings. Third International Conference on. IEEE, 2001.

• Generalized-icp（GICP）
  Segal, Aleksandr, Dirk Haehnel, and Sebastian Thrun. "Generalized-ICP." Robotics: science and systems. Vol. 2. No. 4. 2009.

• Normal ICP（NICP）
  Serafin, Jacopo, and Giorgio Grisetti. "NICP: Dense normal based point cloud registration." Intelligent Robots and Systems (IROS), 2015 IEEE/RSJ International Conference on. IEEE, 2015.

• Go-ICP
  Yang, Jiaolong, et al. "Go-ICP: a globally optimal solution to 3D ICP point-set registration." IEEE transactions on pattern analysis and machine intelligence 38.11 (2016): 2241-2254.

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