APPLICATION OF WEIGHTED TOTAL LEAST-SQUARES TO TARGET FITTING OF THREE-DIMENSIONAL LASER SCANNING
Chen Weixian 1) ;Chen Yi 1, 2) ; Yuan Qing 1) ; and Ge Xuming 1)
1)Department of Surveying and Geo-Informatics, Tongji University, Shanghai 2000922)Key Laboratory of Modern Engineering Surveying, SBSM, Shanghai 200092
Abstract According to the different laser reflection intensity of each cloud point and correcting parts of the coefficient matrix A column vectors, the weighted total leastsquare (WTLS) methods in the plane target and sphere target fitting of the terrestrial laser scanning is introduced, a more reasonable model than the leastsquare (LS)methods and the total leastsquare (TLS) methods is established,and the corresponding iterative algorithm is given.The calculated example proves that the model is more reasonable indeed and the more accurate parameters solution can be obtained with WTLS.
Chen Weixian ,Chen Yi,Yuan Qing et al. APPLICATION OF WEIGHTED TOTAL LEAST-SQUARES TO TARGET FITTING OF THREE-DIMENSIONAL LASER SCANNING[J]. , 2010, 30(5): 90-96.
Chen Weixian ,Chen Yi,Yuan Qing et al. APPLICATION OF WEIGHTED TOTAL LEAST-SQUARES TO TARGET FITTING OF THREE-DIMENSIONAL LASER SCANNING[J]. jgg, 2010, 30(5): 90-96.
