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R package that wraps theMCC algorithm for Airborne LiDAR ground filtering based on Multiscale Curvature Classification. It is made to work along with thelidR package.

library(lidR)file<- system.file("extdata","Topography.laz",package="lidR")las<- readLAS(file,select="xyz")las<- classify_ground(las, mcc())plot(las,color="Classification")

Evans, Jeffrey S.; Hudak, Andrew T. 2007. A multiscale curvature algorithm for classifying discrete return LiDAR in forested environments. IEEE Transactions on Geoscience and Remote Sensing. 45(4): 1029-1038.