TY - GEN
T1 - Simulation on impact of random attitude measurement errors on point cloud and 3D image of ALS
AU - Wang, Jianjun
AU - Xu, Lijun
AU - Li, Xiaolu
AU - Tian, Xiangrui
PY - 2011
Y1 - 2011
N2 - 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.
AB - 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.
KW - 3D imaging
KW - airborne laser scanner
KW - error analysis
KW - positioning accuracy
KW - random attitude measurement error
UR - https://www.scopus.com/pages/publications/80052171327
U2 - 10.1109/IST.2011.5962183
DO - 10.1109/IST.2011.5962183
M3 - 会议稿件
AN - SCOPUS:80052171327
SN - 9781612848969
T3 - 2011 IEEE International Conference on Imaging Systems and Techniques, IST 2011 - Proceedings
SP - 60
EP - 64
BT - 2011 IEEE International Conference on Imaging Systems and Techniques, IST 2011 - Proceedings
T2 - 2011 IEEE International Conference on Imaging Systems and Techniques, IST 2011
Y2 - 17 May 2011 through 18 May 2011
ER -