机载激光扫描测高数据滤波Airborne laser scanning altimetry data filtering
张小红,刘经南
摘要(Abstract)：
机载激光扫描测高数据的滤波和分类是获取高精度数字高程模型的关键,也是国际上目前研究的重点和难点之一。本文详细研究了机载激光扫描测高数据滤波的方法,对现有各种滤波算法进行了综合评价,指出了现有方法的不足,在此基础上首次将"移动曲面拟合预测"滤波算法用于机载激光扫描测高数据滤波处理。试验结果表明该算法自适应性强,计算速度快,滤波效果好。通过对不同测区的数据进行实验,给出了滤波前后的对比结果。
关键词(KeyWords)： 机载激光扫描测高;移动曲面拟合;数据滤波
基金项目(Foundation):
作者(Author): 张小红,刘经南
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