[1]王建利,刘晋浩,王典,等. 基于差分计算的林木测量二维点云数据滤波[J].西北林学院学报,2012,27(03):193-196.
 WANG Jian-li,LIU Jin-hao,WANG Dian,et al. Data Filtering of Two-dimensional Point Cloud in Forest Measurement Based on Difference Calculation[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2012,27(03):193-196.
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 基于差分计算的林木测量二维点云数据滤波()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第27卷
期数:
2012年03期
页码:
193-196
栏目:
出版日期:
2012-05-31

文章信息/Info

Title:
 Data Filtering of Two-dimensional Point Cloud in Forest Measurement Based on Difference Calculation
文章编号:
1001-7461(2012)03-0193-04
作者:
 王建利 刘晋浩 王典 王璐
 (北京林业大学,北京 100085)
Author(s):
 WANG Jian-li LIU Jin-hao WANG Dian WANG Lu
 (Beijing Forestry University, Beijing 100085, China)
关键词:
 林木测量二维点云数值分析差分计算滤波
Keywords:
 forest measurement two-dimensional point cloud numerical analysis difference calculation filter
分类号:
S782
文献标志码:
A
摘要:
 为滤除激光扫描仪获取的林地采育作业环境的无效数据,从原始数据中抽取出目标立木的数据,需要对扫描仪获取的数据进行滤波处理。将差分方法应用于数据滤波,通过MATLAB编程实现滤波算法并对其关键阈值进行分析研究。结果表明,在32 m的扫描范围、0.5度的分辨率的条件下,设定有效点个数为3~40个,阈值为200(mm)时,可以把目标立木从原始信号数据中有效过滤出来。

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