The registration of point clouds acquired from different stations is the key step in Terrestrial Laser Scanner (TLS) data processing. The quality of the registration not only determines the workflow of data collection, but also affects the accuracy of data processing and modeling. Most existing registration methods are manual or semi-automatic and therefore, low effcient in proceesing. This paper presents a fully automatic, robust registration scheme using man-made tagets. This two-step scheme consists of t...