期刊文献+

一种从城区LiDAR数据提取DEM的方法 被引量:9

A Method of Extracting DEM from LiDAR Data in Urban Areas
下载PDF
导出
摘要 机载激光扫描系统可以直接生成扫描区域的数字表面模型,但为了提取数字地面模型还须对LiDAR数据进行滤波处理。分析用坡度法对机载LiDAR数据进行滤波的不足,针对其不足以及城区LiDAR数据的特点,提出一种将坡度法与区域增长相结合的滤波方法。与坡度法相比,该方法提高了滤波的精度和效率,并能对复杂的城市地貌进行滤波。试验结果表明,该方法计算速度快,并能够有效地滤除城区LiDAR数据中的地物。
出处 《测绘通报》 CSCD 北大核心 2010年第2期26-28,62,共4页 Bulletin of Surveying and Mapping
  • 相关文献

参考文献9

  • 1SITHOLE G, VOSSELMAN G. Experimental Comparison of Filter Algorithms for Bare-Earth Extraction from Airborne Laser Scanning Point Clouds [ J ]. ISPRS Journal of Photogrammetry and Remote Sensing, 2004,59 ( 1-2 ) : 85- 101.
  • 2AXELSSON P. Processing of Laser Scanner Data--Algorithms and Applications [ J ]. ISPRS Journal of Photogrammetry and Remote Sensing, 1999, 54 ( 2-3 ) : 138-147.
  • 3ZHANG Keqi, WHITMAN D. Comparison of Three Algorithms for Filtering Airborne LiDAR Data [ J ]. Photogrammetric Engineering & Remote Sensing, 2005,71 (3) :313- 324.
  • 4JIANG Jingjue,ZHANG Zuxun,MING Ying.Filtering of Airborne Lidar Point Clouds for Complex Cityscapes[J].Geo-Spatial Information Science,2008,11(1):21-25. 被引量:6
  • 5刘经南,许晓东,张小红,程世来.机载激光扫描测高数据分层迭代选权滤波方法及其质量评价[J].武汉大学学报(信息科学版),2008,33(6):551-555. 被引量:20
  • 6HU Yong. Automated Extraction of Digital Terrain Models, Roads and Buildings Using Airborne LiDAR Data [ D ]. Calgary : University of Calgary, 2003.
  • 7KRAUS K, PFEIFER N. Advance DTM Generation from LiDAR Data [ J ]. International Archives of Photogrammetry and Remote Sensing. 2001,34(3/W4) :23-35.
  • 8李奇,马洪超.基于激光雷达波形数据的点云生产[J].测绘学报,2008,37(3):349-354. 被引量:25
  • 9VOSSELMAN G. Slope Based Fihering of Laser Ahimetry Data [ J ]. International Archives of the Photogrammetry, Remote Sensing and Spatial Information Science. 2000,33 ( 3 ) :935-942,.

二级参考文献22

  • 1Vosselman S G. Experimental Comparison of Filter Algorithms for Bare-Earth Extraction from Airborne Laser Scanning Point clouds[J]. ISPRS Journal of Photogrammetry and Remote Sensing, 2004,59(1/2):85-101.
  • 2Axelsson P. DEM Generation from I.aser Scanner Data Using Adaptive TIN Models[J]. International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2000, 33 (B4/1) :110-117.
  • 3Kraus K, Pfeifer N. Determination of Terrain Models in Wooded Areas with Airborne Laser Scanner Data[J]. ISPRS Journal of Photogrammetry and Remote Sensing, 1998,54(4) : 193-203.
  • 4Pfeifer N, Stadler P, Briese C. Derivation of Digital Terrain Models in the SCOP Environment [C].OEEPE Workshop on Airborne Laser Scanning and Interferometric SAR for Detailed Digital Elevation Models, Stockholm, Sweden, 2001.
  • 5Kraus K, Pfeifer N. Advance DTM Generation from Lidar Data[J]. International Archives of Photogrammetry and Remote Sensing, 2001, 34 (3/ W4) :23-35.
  • 6Hu Yong. Automated Extraction of Digital Terrain Models, Roads and Buildings Using Airborne Lidar Data[D]. Calgary: University of Calgary, 2003.
  • 7ACKERMANN F. Airborne Laser Scanning Present Status and Future Expectations[J]. ISPRS Journal of Photo grammetry and Remote Sensing, 1999, 54(2-3):64-67.
  • 8BALTSAVIAS E P. A Comparison between Photogramme try and Laser Scanning[J]. ISPRS Journal of Photogram metry and Remote Sensing, 1999, 54(2-3):83-94.
  • 9GAMBAP, HOUSHMANDB. Digital Surface Models and Building Extraclion: A Comparison of IFSAR and IADAR Data[J]. IEEE Transaclions on Geoscience and Remote Sensing. 2000, 38(4):1 959-1 968.
  • 10WEHR A, LOHR U. Airborne Laser Scanning an Introduction and Overview[J]. ISPRS Journal of Photogrammetry and Remote Sensing, 1999, 54(2-3):68-82.

共引文献47

同被引文献53

引证文献9

二级引证文献61

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部