黎东,王成,习晓环,左正立,朱精果

• 1:中国科学院电子学研究所
• 2:中国科学院大学
• 3:中国科学院遥感与数字地球研究所
• 4:中国科学院光电研究院

摘要(Abstract)：

针对机载LiDAR数据处理中IMU安置角误差检校问题,该文提出一种基于共面约束的自动检校方法。从激光点云中自动提取尖顶房屋顶平面,并建立连接平面关系,基于激光脚点坐标计算公式和共面约束条件,通过平差解算得到IMU安置角误差参数。以Riegl Q780获取的数据进行实验,该方法检校结果与RiProcess软件提供的检校参数非常接近。经过误差改正后,相邻航线获取的点云可以很好地重合在一起。相对于人工选择特征地物进行IMU安置角误差检校,该方法可以大大提高检校的效率和可靠性。

关键词(KeyWords)： 机载LiDAR;IMU安置角误差;检校;点云;共面

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(91125003)

作者(Author): 黎东,王成,习晓环,左正立,朱精果

DOI: 10.16251/j.cnki.1009-2307.2017.09.018

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