王涛,龚建华,张利辉,岳玉娟

• 1:中国科学院遥感应用研究所遥感科学国家重点实验室

摘要(Abstract)：

本文通过黑河流域遥感—地面观测同步试验,获取林木参数,对机载激光雷达与实地观测获取的林木参数进行对比分析,论证了本文提出的基于机载激光雷达点云数据提取林木参数的算法是可行的。试验通过机载激光雷达点云数据,研究由点云数据生成冠层高度模型(CHM),提出从CHM中提取单株木参数(树高、冠幅等)的关键算法;同时,通过在试验区布设1个100m×100m超级样地和16个25m×25m的子样地,利用DGPS和全站仪对单株木进行精确定位与树木参数测量。

关键词(KeyWords)： 激光雷达;点云;林木参数;野外试验

Abstract:

Keywords:

基金项目(Foundation): “天水藉河(二期)重点支流治理项目水土保持监测体系建设”项目,中国科学院西部行动计划(二期)项目(项目号:KZCX2-XB2-09);; 国家重点基础研究发展计划(973计划)项目(2007CB714400)

作者(Author): 王涛,龚建华,张利辉,岳玉娟

DOI: 10.16251/j.cnki.1009-2307.2010.06.053

参考文献(References)：

• [1]庞勇,等.点云密度的机载激光雷达林分高度反演的影响[J].林业科学研究,2008,21.
• [2]庞勇,李增元,陈尔学,孙国清.激光雷达技术及其在林业上的应用[J].林业科学,2005,5.
• [3]庞勇,赵峰,等.机载激光雷达平均树高提取研究[J].遥感学报,2008,(1).
• [4]刘清旺,李增元,陈尔学,庞勇,武红敢.利用机载激光雷达提取单株木树高和树冠[J].北京林业大学学报,2008,11.
• [5]ACKERMANN F.Airborne laser scanning-present status and future expectations[J].ISPRS Journal of Photo-grammetry and Remote Sensing,1999,54.
• [6]AXELSSON P.Processing of laser scanner data-algorithms and applications[J].ISPRS Journal of Photogrammetry and Remote Sensing,1999,54.
• [7]GOODWIN N R,Goops N C and CULVENOR D S,As-sessment of forest structure with airborne Lidar and the effects of platform altitude[J].Remote Sensing of En-vironment,2006,103.
• [8]Popescu S C.Estimating biomass of individual pine trees using airborne Lidar[J].Biomass and Bioenergy,2007,31.
• [9]Hyyppa J.and INKINEN M,Detecting and estimating at-tributes for single trees using laser scanner.Photogram-metric Journal of Finland,1999,16.
• [10]MORSDORF F,MEIER E,ALLGOWER B and NUE-SCH D.Clustering in airborne laser scannering raw data for segmentation of single trees[J].In International Ar-chives of the Photogrammetry,Remote Sensing and Spa-tial Information Sciences,2003,34,3/W13.
• [11]PERSSON A,HOLMREN J and SODERMAN U.Detecting and measuring individual trees using an air-borne laser scanner[J].Photogrammetric Engineering and Remote Sensing,2002,68.
• [12]PERSSON A,HOLMREN J and SODERMAN U.Detecting and measuring individual trees using an air-borne laser scanner[J].Photogrammetric Engineering and Remote Sensing,2002,68.
• [13]Hyyppa j,Hyyppa H,Leckie D,Gougeon F,Yu X and Maltamo M.Review of methods of small-footprint air-borne laser scanning for extracting forest inventory data in boreal forests[J].International Journal of Remote Sensing,2008,29.
• [14]Holmgren J,Persson and S derman U.Species identifi-cation of individual trees by combining high resolution Li-DAR data with multi-spectral images[J].International Journal of Remote Sensing,2008,29.
• [15]Wagner W,Hollaus M,Briese C and Ducic V.3D vege-tation mapping using small-footprint full-waveform air-borne laser scanners[J].International Journal of Re-mote Sensing,2008,29.