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Integrating Mobile LiDAR with Terrestrial LiDAR

by Cindy on April 16, 2014

Mobile LiDAR point clouds and terrestrial LiDAR point clouds can be integrated together for survey and design projects. Mobile LiDAR is an efficient way to collect data in corridor areas, parking lots, or along the roadways. Where the terrestrial LiDAR can collect the other areas where a vehicle cannot get to like near buildings, interior of the buildings, landscaped areas, and roof tops for example.  These types of data can be tied into the same control network allowing for the data to be used together.  Once both point clouds are processed and tied into the survey control the point clouds can be brought into software to start the extraction of features.
 
We have used this process in campus type settings and it works well. The control for the mobile LiDAR can be set at the same time as the control for the terrestrial LiDAR. Then two crews can work on gathering the data.  Once crew will collect the mobile LiDAR data and the other crew will collect the terrestrial data. This also allows for time savings in the field. This data can also be tied into a campus coordinate system, state plane coordinate system, or a local coordinate system.