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无检校场的机载LiDAR点云数据检校方法

DOI: 10.6046/gtzyyg.2015.04.05, PP. 27-33

Keywords: 机载LiDAR,系统误差检校,安置角,Burman模型,航带平差

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Abstract:

机载激光雷达(lightdetectionandranging,LiDAR)是集合了多种技术的集成设备,其系统误差对后期产品的影响较大,因此必须对其进行误差检校。传统的检校方法可靠稳定,但对检校场地要求较高,在某些地区难以找到合适的检校场地。基于此,提出一套无检校场的点云检校方法。该方法基于Burman模型和航带平差理论,通过安置角及三维坐标的改正来消除或减少系统误差。对云南小江实验区的验证结果表明,检校后的点云成果数据完全满足1:2000比例尺DEM成图要求。

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