[1] [1] G Sithole. Filtering of laser altimetry data using a slope adaptive filter[J]. International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2001, 34(3/W4): 203-210.

[2] [2] Hu Ju, Yang Liao, Shen Jinxiang, et al.. Filtering of LiDAR based on segmentation[J]. Geomatics and Information Science of Wuhan University, 2012, 37(3): 318-321.

[3] [3] T T Vu. Wavelet and scale-space theory in segmentation of airborne laser sanner data[C]. Singapore: The 22nd Asian Conference on Remote Sensing, 2001, 1: 176-180.

[4] [4] Zuo Zhiquan, Zhang Zuxun, Zhang Jianqing. Classification of LiDAR point clouds for urban area based on multi-echo region ratio and recognition topology model[J]. Chinese J Lasers, 2012, 39(4): 0414001.

[5] [5] H H Nourzad, A Pradhan. Binary and multi-class classification of fused LIDAR-imagery data using an ensemble method[C]. Construction Research Congress, 2012: 909-918.

[6] [6] L Breiman. Bagging predictors[J]. Machine Learning, 1996, 24(2): 123-140.

[7] [7] S K Lodha, D M Fitzpatrick, D P Helmbold. Aerial lidar data classification using adaboost[C]. IEEE: Sixth International Conference on 3D Digital Imaging and Modeling, 2007. 435-442.

[8] [8] Zhang Lei, Shao Bibo, Yang Pengling, et al.. Near-infrared detecting array for high-energy laser measurement[J]. Acta Optica Sinica, 2011, 31(s1): s100517.

[9] [9] Meng Zhaohua, Hong Guanglie, Hu Yihua, et al.. Research on chirped amplitude modulation coherent lidar[J]. Acta Optica Sinica, 2010, 30(8): 2446-2451.

[10] [10] Zhou Mengwei, Liu Qinhuo, Liu Qiang, et al.. A method for classification by fusing full waveform airborne laser scanning data and aerial images[J]. Remote Sensing Technology and Application, 2010, 25(6): 821-827.

[11] [11] C Mallet, F Bretar, U Soergel. Analysis of full waveform lidar data for classification of urban areas[J]. Photogrammetrie Femerkundung Geoinformation, 2008, 5: 337-349.

[12] [12] L Breiman. Random forests[J]. Machine Learning, 2001, 45(1): 5-32.

[13] [13] Liu Jingnan, Zhang Xiaohong. Classification of laser scanning altimetry data using laser intensity[J]. Geomatics and Information Science of Wuhan University, 2005, 30(3): 189-193.

[14] [14] Meng Fang. The Study of Interactive Rendering for Large Scale Three Dimensional Point Cloud Data[D]. Beijing: Beijing University, 2005.

[15] [15] B Hofle, W Müdce, M Dutter, et al.. Detection of building regions using airborne LiDAR-A new combination of raster and point cloud based GIS methods[C]. Salzburg: GI_Forum 2009 International Conference on Applied Geoinformatics, 2009. 66-75.

[16] [16] W Wagner, J Hyyppa, A Ullrich, et al.. Radiometric calibration of full waveform small footprint airborne laser scanners[J]. The International Archive of Photogrammetry, Remote Sensing and Spatial Information Sciences, 2008, 37(B1): 163-168.

[17] [17] J Kittler. Feature set search algorithms[J]. Pattern Recognition and Signal Processing. C H Chen, Sijthoff and Noordhoff, The Netherlands, 1978.

[18] [18] V Vapnik. The Nature of Statistical Learning Theory[M]. New York: Springer-Verlag, 1995.

[19] [19] C J C Burges. A tutorial on support vector machines for pattern recognition[J]. Data Mining and Knowledge Discovery, 1998, 2(2): 121-167.

[20] [20] S R Garner. Weka: the Waikato environment for knowledge analysis[C]. New Zealand: Proceedings of the New Zealand Computer Science Research Students Conference, 1995. 57-64.

[21] [21] T Lillesand, R W Kiefer, J W Chipman. Remote Sensing and Image Interpretation[M]. (5th ed.). New York: John Wiley & Sons, 2004.