[2] Ackermann F. Airborne laser scanning-present status and future expectations[J]. ISPRS Journal of Photogrammetry and Remote Sensing, 1999, 54(2-3): 64-67.
[4] Lindenberger J. Laser-profilmessungen zur Topographischen Gelndeaufnahme[D]. Stuttgart: Stuttgart University, 1993.
[5] Kilian J, Haala N, Englich M, et al. Capture and evaluation of airborne laser scanner data[J]. International Archives of Photogrammetry and Remote Sensing, 1996, 31(B3): 383-388.
[6] Zhang K Q, Chen S C, Whitman D, et al. A progressive morphological filter for removing nonground measurements from airborne LiDAR data[J]. IEEE Transactions on Geoscience and Remote Sensing, 2003, 41(4): 872-882.
[7] Chen Qi, Gong Peng, Baldocchi D, et al. Filtering airborne laser scanning data with morphological methods[J].Photogrammetric Engineering and Remote Sensing, 2007, 73(2): 175-185.
[8] Sun Meiling, Li Yongshu, Chen Qiang, et al. Iterative multi-scale filter based on morphological opening by reconstruction for LiDAR urban data[J]. Infrared and Laser Engineering, 2015, 44(1): 363-369. (in Chinese)
[9] Axelsson P. DEM generation from laser scanner data using adaptive TIN models[J]. International Archives of Photogrammetry and Remote Sensing, 2000, 33(B4): 110-117.
[10] Kraus K, Pfeifer N. Determination of terrain models in wooded areas with airborne laser scanner data[J]. ISPRS Journal of Photogrammetry and Remote Sensing, 1998, 53(4): 193-203.
[11] Pfeifer N, Stadler P, Briese C. Derivation of digital terrain models in the SCOP++ environment[C]//Proceedings of Oeepe Workshop on Airborne Laserscanning and Interferometric SAR for Detailed Digital Terrain Models, 2011.
[12] Su Wei, Sun Zhongping, Zhao Dongling, et al. Hierarchical moving curved fitting filtering method based on LiDAR data[J]. Journal of Remote Sensing, 2009, 13(5): 833-838. (in Chinese)
[13] Sun Chongli, Su Wei, Wu Honggan, et al. Improved hierarchical moving curved filtering method of LiDAR data[J]. Infrared and Laser Engineering, 2013, 42(2): 349-354. (in Chinese)
[14] Sithole G, Vosselmann G. Filtering of airborne laser scanner data based on segmented point clouds[C]//ISPRS Workshop Laser Scanning, 2005.
[15] Huang Xianfeng, Li Hui, Wang Xiao, et al. Filter algorithms of airborne LiDAR data: review and prospects [J]. Acta Geodaetica et Cartographica Sinica, 2009, 38(5): 466-469. (in Chinese)
[16] Zuo Zhiquan, Zhang Zuxun, Zhang Jianqing, et al. A high-quality filtering method with adaptive TIN models for urban LiDAR points based on priori-knowledge[J]. Acta Geodaetica et Cartographica Sinica, 2012, 41(2): 246-251. (in Chinese)
[17] Yuan Qing, Lou Lizhi, Chen Weixian. The application of the weighted total least-squares to three dimensional-datum transformation[J]. Acta Geodaetica et Cartographica Sinica, 2011, 40(S1): 115-119. (in Chinese)
[18] Felus Y A, Schaffrin B. Performing similarity transformations using the error-in-variables model [C]//ASPRS 2005 Annual Conference Baltimore, 2005.
[19] Kukush A, Huffel S V. Consistency of elementwise-weighted total least squares estimator in a multivariate errors-in-variables model AX=B[J]. Metrika, 2004, 59: 75-97.
[20] Sithole G, Vosselman G. Experimental comparison of filter algorithms for bare-Earth extraction from air-borne laser scanning point clouds [J]. ISPRS Journal of Photogrammetry & Remote Sensing, 2004, 59(1-2): 85-101.
[21] Shen Jing. Airborne LiDAR data filtering by morphological reconstruction method [J]. Geomatics and Information Science of Wuhan University, 2011, 36(2): 167-170, 175. (in Chinese)