[1] Zhang Y H, Geng G H, Wei X R et al. A statistical approach for extraction of feature lines from point clouds[J]. Computers & Graphics, 56, 31-45(2016). http://www.sciencedirect.com/science/article/pii/S0097849316300097

[2] Altantsetseg E, Muraki Y, Matsuyama K et al. Feature line extraction from unorganized noisy point clouds using truncated Fourier series[J]. The Visual Computer, 29, 617-626(2013). http://dl.acm.org/doi/10.1007/s00371-013-0800-x

[3] Fu S Y, Wu L S. Feature line extraction from point clouds based on geometric structure of point space[J]. 3D Research, 10, 16(2019). http://link.springer.com/10.1007/s13319-019-0227-x

[4] Zhou W, Peng R C, Dong J et al. Automated extraction of 3D vector topographic feature line from terrain point cloud[J]. Geocarto International, 33, 1036-1047(2018).

[5] He T, Xiong F G, Han X et al. A feature curve extraction algorithm for point cloud based on covariance matrix[J]. Computer Engineering, 44, 275-280, 286(2018).

[6] He T, Xiong F G, Han X et al. tp. 20170719.1047.002.html.(1289).

[7] Dong W. Feature extraction of the building point cloud by using geometrical characteristics of adjacent points[J]. Laser & Optoelectronics Progress, 55, 071006(2018).

[8] Chen P, Tan Y W, Li L. Extraction of building's feature lines based on 3-D terrestrial laser scanning[J]. Laser Journal, 37, 9-11(2016).

[9] Wang X H, Wu L S, Chen H W et al. Feature line extraction from a point cloud based on region clustering segmentation[J]. Acta Optica Sinica, 38, 1110001(2018).

[10] Wang X H, Wu L S, Chen H W et al. Region segmentation of point cloud data based on improved particle swarm optimization fuzzy clustering[J]. Optics and Precision Engineering, 25, 1095-1105(2017).

[11] Huang M, Ma C S, Yang F et al[D]. Theory and method of surface laser point cloud processing and fine construction(2016).

[12] Daniels J, Ha L K, Ochotta T et al. Robust smooth feature extraction from point clouds. [C]∥IEEE International Conference on Shape Modeling and Applications 2007 (SMI'07) , June 13-15, 2007, Lyon, France. New York: IEEE, 9855058(2007).

[13] Liu Q, Geng G H, Zhou M Q et al. Algorithm for feature line extraction based on 3D point cloud models[J]. Application Research of Computers, 30, 933-937(2013).

[14] Bai H Q, Xia Y H, Yang M L et al. 3D modeling and mapping technology and application in the development of large karst cave tourism[J]. Software Guide, 18, 138-142(2019).

[15] Huang D, Xia Y H, Bai H Q et al[J]. Urban tree feature extraction based on 3D laser scanning technology Urban Geotechnical Investigation & Surveying, 2019, 92-95, 99.

[16] Nie J H, Liu Y, Gao H et al. Feature line detection from point cloud based on signed surface variation and region segmentation[J]. Journal of Computer-Aided Design & Computer Graphics, 27, 2332-2339(2015).

[17] Yang B S, Wei Z, Li Q Q et al. A classification-oriented method of feature image generation for vehicle-borne laser scanning point clouds[J]. Acta Geodaetica et Cartographica Sinica, 39, 540-545(2010).