点云滤波算法

CSF滤波

CSF 滤波：https://github.com/jianboqi/CSF
Cloth Simulation Filter
http://www.mdpi.com/2072-4292/8/6/501/htm
W. Zhang, J. Qi*, P. Wan, H. Wang, D. Xie, X. Wang, and G. Yan, “An Easy-to-Use Airborne LiDAR Data Filtering Method Based on Cloth Simulation,” Remote Sens., vol. 8, no. 6, p. 501, 2016

Identifying ground returns using ProgressiveMorphologicalFilter segmentation