Point classification

Point classification – data that have been processed to define the type of object that the pulses have reflected off; can be as simple as unclassified (i.e., object not defined) to buildings and high vegetation. The most common is to classify the data set for points that are considered “bare earth” and those that are not (unclassified).

https://coast.noaa.gov/data/digitalcoast/pdf/lidar-101.pdf

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