[1] Tang Y. Volume measurement of live standing tree based on 3D laser scanning technology[D]. Beijing: Beijing Forestry University(2012).

[2] Zhou G M, Jiang P K. Density, storage and spatial distribution of carbon in Phyllostachy pubescens forest[J]. Scientia Silvae Sinicae, 40, 20-24(2004).

[3] Lim C. Estimation of urban tree crown volume based on object-oriented approach and LIDAR data Enschede: International Institute for Geo-information Science and[D]. Earth Observation(2007).

[4] Xu W H, Feng Z K, Su Z F et al. An automatic extraction algorithm for individual tree crown projection area and volume based on 3D point cloud data[J]. Spectroscopy and Spectral Analysis, 34, 465-471(2014).

[5] Li B R. Research on the application of three-dimension terrestrial laser scanning in ancient architecture mapping Xi'an:[D]. Changan University, 2-5(2012).

[6] Wu C F, Lu H M, Guo X R et al. Introduction of the method of measuring the standing tree volume by using the three-dimensional laser scanning system[J]. Forest Engineering, 25, 71-72, 76(2009).

[7] Xu T. Forest biomass estimation based on LiDAR and OLI multispectral data and its application[D]. Nanjing: Nanjing Forestry University(2015).

[8] Luo S Z, Wang C, Xi X H et al. Fusion of airborne LiDAR data and hyperspectral imagery for aboveground and belowground forest biomass estimation[J]. Ecological Indicators, 73, 378-387(2017).

[9] Laurin G V, Chen Q, Lindsell J A et al. Above ground biomass estimation in an African tropical forest with lidar and hyperspectral data[J]. ISPRS Journal of Photogrammetry and Remote Sensing, 89, 49-58(2014).

[10] Hudak A T, Lefsky M A, Cohen W B et al. Integration of lidar and Landsat ETM+ data for estimating and mapping forest canopy height[J]. Remote Sensing of Environment, 82, 397-416(2002).

[11] Dong L X, Wu B F, Guo Z H. Estimation of forest canopy height by integrating multisensor data[J]. Proceedings of SPIE, 7471, 74710H(2009).

[12] Huang K B, Pang Y, Shu Q T et al. Aboveground forest biomass estimation using ICESat GLAS in Yunnan, China[J]. Journal of Remote Sensing, 17, 165-179(2013).

[13] Zhao X. Spatial response of canopy parameters to carbon storage of moso bamboo forest[D]. Hangzhou: Zhejiang A & F University(2014).

[14] Huang H Y, Chen C C, Zou J et al. Tree geometrical 3D modeling from terrestrial laser scanned point clouds: a review[J]. Scientia Silvae Sinicae, 49, 123-130(2013).

[15] Shi Y T, Cheng X J, Jia D F[J]. Applications of 3D laser scanning based tree model to forestry Bulletin of Surveying and Mapping, 2012, 40-42, 52.

[16] Cai Y, Xu W B, Liang D et al. Distinguishing Phyllostachys edulis age based on laser scanning intensity[J]. Chinese Journal of Lasers, 45, 0110003(2018).

[17] Liu C, Chen H Y, Wu H B[M]. Data processing and feature extraction of laser 3D remote sensing(2009).

[18] Xu J J, Yu M H, Zheng Y B[J]. Overview of the application of ground 3D laser scanner Geotechnical Investigation & Surveying, 2008, 31-34.

[19] Wang J. 3D mapping technology of underground structures Xi'an: Xi'an University of Science and[D]. Technology(2012).

[20] Liu C, Zhang Y L, Wu H B. Accuracy evaluation of 3D laser range scanner based on field calibration[J]. Journal of Geotechnical Investigation & Surveying, 37, 56-60, 66(2009).

[21] Xia G F, Hu C M, Cao B Z et al. Study on the influence of laser incident angle on the reflection intensity of the point cloud[J]. Laser Journal, 37, 11-13(2016).

[22] Chen S C, Dai H Y, Wang C et al. Method for filtering dense noise from laser scanning data[J]. Laser & Optoelectronics Progress, 56, 062801(2019).

[23] Han X F, Jin J S, Wang M J et al. A review of algorithms for filtering the 3D point cloud[J]. Signal Processing: Image Communication, 57, 103-112(2017).

[24] Mattei E, Castrodad A. Point cloud denoising via moving RPCA[J]. Computer Graphics Forum, 36, 123-137(2017).

[25] Xiao C X, Miao Y W, Liu S et al. A dynamic balanced flow for filtering point-sampled geometry[J]. The Visual Computer, 22, 210-219(2006).

[26] Fleishman S, Drori I, Cohen-Or D. Bilateral mesh denoising[J]. ACM Transactions on Graphics, 22, 950-953(2003).