机载激光点云在大比例尺地形图高程信息提取中的应用
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摘要
机载激光扫描技术具有精确、快速、直接获取大范围空间三维信息的特点,在地形图测绘中有很好的前景。本文阐述了激光点云数据处理一般流程,重点描述了关键核心算法思路及其参数设置,并以宁波市北仑区为例,将数据应用于1:500地形图高程信息提取,经过精度检验分析,满足精度要求。
引文
[1]张靖,张爱能,刘国栋.三维激光扫描仪技术在地形测量中的应用[J].西安科技大学学报,2014,34(2):199-203.
[2]史建青.机载Li DAR在省级基础测绘中若干关键技术研究[D].武汉大学,2014.
[3]Flood,M,Laser altimetry:from science to commercial lidar mapping.Photogrammetric enginerring and remote sensing,2001,67(11),1209-1207.
[4]Mitasova,H.,et al.,Quantifying rapid changes in coastal topography using modern mapping techniques and geographic information system,Environmental&Engineering Geoscience,2004,10(1):1-11.
[5]MITá?OVá,H.and J.Hofierka."Impact of new mapping technologies on the communication of geospatial information.",2003,11:53-61.
[6]刘昌军,赵雨,叶长锋,解家毕.基于三维激光扫描技术的矿山地形快速测量的关键技术研究[J].测绘通报,2012,06:43-46.
[7]刘万华,刘超祥,原野.基于机载Li DAR数据测绘大比例尺地形图的研究与应用——以山地城市为例[J].城市勘测,2015,02:9-12.
[8]刘非.应用机载Li DAR系统测制丘陵地区的大比例尺地形图[J].测绘通报,2012,05:84-87.
[9]Meng,X.,et al.Ground filtering algorithms for airborne Li DAR data:A review of critical issues,Remote Sensing,2010,2(3):833-860.
[10]Zhang,K.,et al.(2003)."A progressive morphological filter for removing nonground measurements from airborneLIDAR data."Geoscience and Remote Sensing,IEEE Transactions on 41(4):872-882.
[11]Hodgson,M.E.and P.Bresnahan.,Accuracy of airborne Li DAR-derived elevation,Photogrammetric Engineering&Remote Sensing,2004,70(3):331-339.
[12]Qu Jia,Accuracy Analysis and Evaluation of Airborne Li DAR Data[D],Chang’an University,2010曲佳.机载激光雷达点云数据精度分析与评价研究[D].长安大学,2010.
[2]史建青.机载Li DAR在省级基础测绘中若干关键技术研究[D].武汉大学,2014.
[3]Flood,M,Laser altimetry:from science to commercial lidar mapping.Photogrammetric enginerring and remote sensing,2001,67(11),1209-1207.
[4]Mitasova,H.,et al.,Quantifying rapid changes in coastal topography using modern mapping techniques and geographic information system,Environmental&Engineering Geoscience,2004,10(1):1-11.
[5]MITá?OVá,H.and J.Hofierka."Impact of new mapping technologies on the communication of geospatial information.",2003,11:53-61.
[6]刘昌军,赵雨,叶长锋,解家毕.基于三维激光扫描技术的矿山地形快速测量的关键技术研究[J].测绘通报,2012,06:43-46.
[7]刘万华,刘超祥,原野.基于机载Li DAR数据测绘大比例尺地形图的研究与应用——以山地城市为例[J].城市勘测,2015,02:9-12.
[8]刘非.应用机载Li DAR系统测制丘陵地区的大比例尺地形图[J].测绘通报,2012,05:84-87.
[9]Meng,X.,et al.Ground filtering algorithms for airborne Li DAR data:A review of critical issues,Remote Sensing,2010,2(3):833-860.
[10]Zhang,K.,et al.(2003)."A progressive morphological filter for removing nonground measurements from airborneLIDAR data."Geoscience and Remote Sensing,IEEE Transactions on 41(4):872-882.
[11]Hodgson,M.E.and P.Bresnahan.,Accuracy of airborne Li DAR-derived elevation,Photogrammetric Engineering&Remote Sensing,2004,70(3):331-339.
[12]Qu Jia,Accuracy Analysis and Evaluation of Airborne Li DAR Data[D],Chang’an University,2010曲佳.机载激光雷达点云数据精度分析与评价研究[D].长安大学,2010.