NDLI: Simulation on impact of random attitude measurement errors on point cloud and 3D image of ALS

Content Provider	IEEE Xplore Digital Library
Author	Jianjun Wang Lijun Xu Xiaolu Li Xiangrui Tian
Copyright Year	2011
Description	Author affiliation: School of Instrument Science & Optoelectronic Engineering, Beihang University, Beijing 100191, China (Jianjun Wang; Lijun Xu; Xiaolu Li; Xiangrui Tian)
Abstract	The influence of random attitude measurement errors of the GPS/INS integrated system on the laser point cloud and the three-dimensional (3D) surface image reconstructed by the airborne laser scanner was studied. The mapping relationship between the attitude measurement errors and the positioning errors of the laser footprints was derived. By numerical simulation, three common terrains, i.e. a planar, a rectangular, and a hemisphere terrain, were simulated, and the impacts of the random attitude measurement errors on the laser point clouds and the reconstructed 3D surface images of the three terrains were analyzed, respectively. Simulation results show that the random attitude measurement errors decrease the positioning accuracy of the laser point clouds, further directly deteriorating the 3D surface image. The greater the random attitude measurement errors are, the greater the caused 3D imaging distortion.
Starting Page	60
Ending Page	64
File Size	807820
Page Count	5
File Format	PDF
ISBN	9781612848945
e-ISBN	9781612848969
DOI	10.1109/IST.2011.5962183
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-05-17
Publisher Place	Malaysia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Measurement by laser beam Measurement errors Three dimensional displays Laser modes Surface emitting lasers Surface reconstruction Image reconstruction 3D imaging airborne laser scanner error analysis random attitude measurement error positioning accuracy
Content Type	Text
Resource Type	Article

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