An important evaluation to make when performing a QAQC analysis of a LIDAR data set is a control point comparison. When discussing control points and LIDAR data, there are typically two types of points that need to be considered independently.
Control Points: The monuments or markers used to control the LIDAR collection or validation point collection for a project.
Checkpoints (aka Validation Points): Those 3-dimensional point locations collected for use in the validation of the LIDAR point cloud over the project area.
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