Volume 32 Issue 9
Sep.  2007
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XU Xiaodong, ZHANG Xiaohong, CHENG Shilai. Detection of Multiple Echoes and Its Application in Filtering of Airborne Lidar[J]. Geomatics and Information Science of Wuhan University, 2007, 32(9): 778-781.
Citation: XU Xiaodong, ZHANG Xiaohong, CHENG Shilai. Detection of Multiple Echoes and Its Application in Filtering of Airborne Lidar[J]. Geomatics and Information Science of Wuhan University, 2007, 32(9): 778-781.
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Detection of Multiple Echoes and Its Application in Filtering of Airborne Lidar

  • 1 Research Centre of GNSS,Wuhan University,129 Luoyu Road,Wuhan 430079,China;2 School of Geodesy and Geomatics,Wuhan University,129 Luoyu Road,Wuhan 430079,China

Funds: 国家自然科学基金资助项目(40504001);武汉大学测绘遥感信息工程国家重点实验室开放研究基金资助项目(重点项目子项目1)
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  • Received Date: June 23, 2007
  • Revised Date: June 23, 2007
  • Published Date: September 04, 2007
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    • Abstract
  • The principle of multiple echoes production is introduced,and the condition of multiple echoes happened is presented with the method for detection of multiple echoes.Some material applications of multiple echoes in the processing of forested data are developed.Before applying some filtering method,the data is firstly processed by removing the multiple echoes data which can increase the proportion of the ground points in the points set.After removing multiple echoes data,the filtering result is better than no-removing multiple echoes in the same condition.A real example is used to validate this method.
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