J4 ›› 2010, Vol. 40 ›› Issue (5): 1205-1210.

Previous Articles     Next Articles

A Method for Classify Point Clouds of Airborne Laser Scanning

LI Hui-ying1|LI Wen-hui1|CHEN Sheng-bo2   

  1. 1.College of Computer Science and Technology, Jilin University, Changchun 130012, China;
    2.College of GeoExploration Science and Technology, Jilin University, Changchun 130026, China
  • Received:2009-12-24 Online:2010-09-26 Published:2010-09-26

Abstract:

Airborne laser scan technique is able to acquire the three dimensional geographic information of areas and objects on the ground quickly with the form of point clouds. Based on LiDAR data and topographic information of objects, the model of building can be determined. We classify the point clouds into terrain and off-terrain points based on region segment polynomial approximation and the least squares adjustment, and then extract edge of building with the method of RANSAC and topographic knowledge. The experiment result shows that this method can delete noisy points and preserve feature points efficiently which the total error rate is less than 3%.

Key words: objects recognition, least squares approximations, point clouds, building edge extraction

CLC Number: 

  • TP751
[1] YANG Chang-bao, JIANG Qi-gang, LIU Wan-song, QIU Dian-meng. Hydrothermal Alteration Mapping Using ASTER Data in Northern Dong Ujimqin|Inner Mongolia [J]. J4, 2009, 39(6): 1163-1167.
Viewed
Full text


Abstract

Cited
  Shared   
  Discussed   
[1] ZHANG Shi-guang, LIU Cheng-zhi, LEI Shuang-fang, ZHANG Yan, WU Gao-ping, LIU Qiu-hong. The Application of High-Resolution Sequence Stratigraphy in Multiplex Deposition System of the River, Lake and Delta--To Take the Development Block of Fuyu Oil Layer in Chaoyanggou Reservoir for Example[J]. J4, 2009, 39(3): 361 -368 .
[2] Li Bi-le，Shen Xin，Chen Guang-jun，Yang Yan-qian，Li Yong-sheng. Geochemical Features of OreForming Fluids and Metallogenesis of Vein Ⅰ in Asiha Gold Ore Deposit，Eastern Kunlun，Qinghai Province[J]. Journal of Jilin University(Earth Science Edition), 2012, 42(6): 1676 -1687 .
[3] YANG Xiao-ping, LI Yang-chun,LIU Zhen, WANG Yan, WANG Hong-jie. Classification of Tectonic Sequence and Dynamic Evolution of Jixi Basin, Eastern Heilongjiang Province[J]. J4, 2005, 35(05): 616 -621 .
[4] LI Fa-wen, FENG Ping, ZHANG Chao. Vertically-Mixed Runoff Model and Application in Beisan River of Tianjin[J]. J4, 2011, 41(2): 459 -464 .
[5] WANG Li-jun,LIU Guo-cai,HUANG Ji-guo,LI Yue-qian,CONG Ying,SHEN Zhao-li,ZHAO Xiao-bo. Examination and Study of Catalytic Oxidation in Sight Water Resumption[J]. J4, 2006, 36(03): 458 -461 .
[6] Lei Ruxiong, Wu Changzhi, Qu Xun, Gu Lianxing, Chen Gang,Uerna Amy, Sun Hongtao, Liu Guoling. Geochronology, Geochemistry and Zircon Hf Isotope Compositions of the Ore-Bearing Gneiss Granite in the Tianhudong Iron-Molybdenum Ore Deposit in the Central Tianshan, West China: Implications for the Early Paleozoic Tectonic Evolution of Central Tianshan[J]. Journal of Jilin University(Earth Science Edition), 2014, 44(5): 1540 -1552 .
[7] CHU Feng-you, HU Da-qian, YAO Jie. Mineral Composition and Element Geochemistry of Co-Rich Nodule from YJB Sea Mount in Central Pacific Ocean[J]. J4, 2007, 37(1): 8 -0014 .
[8] ZHOU Yan，ZHENG Pei-xi，WANG Tie-fu，ZHANG Yan-jie. H-O Isotopes of Gold Deposits in the Hanging Wall of Zhao-Ping Fault Belt[J]. J4, 2007, 37(4): 668 -0671 .
[9] TANG Hua-feng,WANG Pu-jun,JIANG Chuan-jin,LIU Jie,ZHANG Qing-chen,FENG You-liang. Seismic Characters of Volcanic Facies and Their Distribution Relation to Deep Faults in Songliao Basin[J]. J4, 2007, 37(1): 73 -0078 .
[10] FAN Xiao-min, LI Zhou-bo. Analysis of Fluctuation and Amplitude Increase in Sonic Logs Caused by Fractures in Carbonate Rocks[J]. J4, 2007, 37(1): 168 -0173 .
Copyright © Journal of Jilin University(Earth Science Edition), All Rights Reserved.
Tel: +86-431-88502374；13756165364　E-mail: xuebao1956@jlu.edu.cn
Powered by Beijing Magtech Co. Ltd