Three dimension modeling of buildings based on three dimension laser scanner data

The approaches producing the 3D models of buildings based on points cloud obtained from 3d laser scanner are discussed in this paper.This paper first introduces the system composition and the working principle of 3D laser scanner,and then points out the procedure and methods to process the points cloud.Finally,the method producing the 3D models of buildings is expatiated and the procedure and the result of this approach are introduced with a factual example.