Featured Paper by
Darion Grant, James Bethel and Melba M. Crawford
The absence of explicit point correspondences among overlapping terrestrial laser scanning data limits the
performance of automatic registration schemes. The popular Iterative Closest Point (ICP) and its variants, solve the
correspondence problem implicitly while minimizing some distance metric. Other approaches perform low-level
processing to obtain surface properties from which correspondences are established, and then they conduct the
registration, which, in general is not as accurate as the ICP methods. This paper presents an approach that addresses
the registration issue by dealing directly with the correspondence problem, without the use of derivative surface
properties, except for local surface tangents
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