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LU Hao, PANG Yong, XU Guangcai, LI Zengyuan. Quantitative Analysis of Differences Between Full Waveform Data and System Point Cloud Data from Airborne LiDAR[J]. Geomatics and Information Science of Wuhan University, 2015, 40(5): 588-593. DOI: 10.13203/j.whugis20130443
Citation: LU Hao, PANG Yong, XU Guangcai, LI Zengyuan. Quantitative Analysis of Differences Between Full Waveform Data and System Point Cloud Data from Airborne LiDAR[J]. Geomatics and Information Science of Wuhan University, 2015, 40(5): 588-593. DOI: 10.13203/j.whugis20130443
shu

Quantitative Analysis of Differences Between Full Waveform Data and System Point Cloud Data from Airborne LiDAR

  • 1Institute of Forest Resources Information Techniques,Chinese Academy of Forestry,Beijing 100091,China

Funds: The National 973Program of China,Nos.2013CB733404,2013CB733406;the National 863Program of China,No.
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  • Author Bio:

    LU Hao: 国家973计划资助项目(2013CB733404,2013CB733406);国家863计划资助项目(2012AA12A306)

  • Received Date: August 28, 2013
  • Revised Date: May 04, 2015
  • Published Date: May 04, 2015
    Graphical Abstract
    • Abstract
  • The superiority of waveform data is hard to evaluated and compared with point clouds quan-titatively due to a high correlation between two data sources from the most commonly used LiDARsystems.Leica ALS60airborne LiDAR system can record both of discrete return data and waveformdata simultaneously and independently.The raw waveforms are decomposed into individual pulse re-turns and compared with the laser points from the hardware system quantitatively.Data from typicalforest and urban areas are picked to perform a digitized assessment of the capability of waveform.Theresults show that waveform data can increase the vertical information in different types of ground ob-jects and spatial resolution of point cloud at a certain level and that the increment in forest area is high-er than that of urban area and bare earth.It is concluded that the penetration capability of laser pulseis more evident in full waveform data than in point cloud from ALS system itself,and that full wave-form LiDAR has much more potential in constructing the vertical parameters in the forest areas thanoriginal LiDAR with only point clouds.
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    • References (1)
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    Ackmann F.Airborne Laser Scanning-Present Sta-tus and Future Expectations[J].ISPRS Journal ofPhotogrammetry and Remote Sensing,1999,54:64-67[2] Lefsky M A.LiDAR Remote Sensing of the CanopyStructure and Biophysical Properties of Douglas-firwestern Hemlock Forests[J].Remote Sensing ofEnvironment,1999,70(3):339-361[3] Baltsavias E P.A Comparison Between Photogram-metry and Laser Scanning[J].ISPRS Journal ofPhotogrammetry and Remote Sensing,1999,54:83-94[4] Wagner W.Gaussian Decomposition and Calibrationof a Novel Small-Footprint Full-Waveform Digitis-ing Airborne Laser Scanner[J].ISPRS Journal ofPhotogrammetry and Remote Sensing,2006,61:100-112[5] Mallet C.Full-Waveform Topographic Lidar:State-of-the-Art[J].ISPRS Journal of Photogrammetryand Remote Sensing,2009,64:1-16[6] Wagner W.From Single-Pulse to Full WaveformAirborne Laser Scanners:Potential and PracticalChallenges[C].ISPRS Congress,Istanbul,2009[7] IGI Gmb H.LiteMapper 6800User Manual[S].Germany:IGI,2010[8] ASPRS.LAS Specification Version 1.3-R10[S].USA:ASPRS,2010[9] Ma Hongchao,Li Qi.Modified EM Algorithm andIts Application to the Decomposition of Laser Scan-ning Waveform Data[J].Journal of Remote Sens-ing,2009,13(1):35-41[10] Pang Yong,Li Zengyuan,Sun Guoqing,et al.Li-DAR Remote Sensing Technology and Its Applica-tion in Forestry[J].Scientia Silvae Sinicae,2005,41(3):129-136(庞勇,李增元,孙国清,等.激光雷达技术及其在林业上的应用[J].林业科学,2005,41(3):129-136)[11] Pang Yong,Li Zengyuan,Chen Erxue,et al.For-est Height Inversion Using Airborne LiDAR Tech-nology[J].Journal of Remote Sensing,2008,12(1):152-158(庞勇,李增元,陈尔学,等.机载激光雷达平均树高提取研究[J].遥感学报,2008,12(1):152-158)[12] Li Qi,Ma Hongchao.The Study of Point-cloudProduction Method Based on Waveform Laser Scan-ner Data[J].Acta Geodaetica et CartographicaSinica,2008,37(3):349-354(李奇,马洪超.基于激光雷达波形数据的点云产生[J].测绘学报,2008,37(3):349-354)[13] Zhou Mengwei,Liu Qinhuo.Inversion for CropHeight by Small-Footprint-Waveform Airborne Li-DAR[J].Transactionso f the CSAE,2010,26(8):183-188(周梦维,柳钦火.基于机载小光斑全波形LIDAR的作物高度反演[J].农业工程学报,2010,26(8):183-188)[14] Hofton M A,Minster J B,Blair J B.Gaussian De-composition of Laser Altimeter Waveforms[J].IEEE Transactions on Geoscience and Remote Sens-ing,2000,38:1 989-1 996
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