[1]王祺,胡洪*,吴艳兰*,等. 基于点云数据的树冠体积自动求算方法[J].西北林学院学报,2017,32(2):242-246.[doi:10.3969/j.issn.1001-7461.2017.02.41]
 WANG Qi,HU Hong*,WU Yan-lan*,et al. Automatic Tree Crown Volume Calculation Method Based on Point Cloud Data[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2017,32(2):242-246.[doi:10.3969/j.issn.1001-7461.2017.02.41]
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 基于点云数据的树冠体积自动求算方法()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第32卷
期数:
2017年第2期
页码:
242-246
栏目:
出版日期:
2017-03-31

文章信息/Info

Title:
 Automatic Tree Crown Volume Calculation Method Based on Point Cloud Data
文章编号:
1001-7461(2017)02-0242-05
作者:
 王祺12胡洪12*吴艳兰12*亢瑞红12许邦鑫3梁泽毓12
 (1.安徽大学 资源与环境工程学院,安徽 合肥 230601;2.安徽省地理信息工程中心,安徽 合肥 230601;3.中国能源建设集团安徽省电力设计院有限公司,安徽 合肥 230601)
Author(s):
 WANG Qi12HU Hong12*WU Yan-lan12*KANG Rui-hong12XU Bang-xin3LIANG Ze-yu12
 (1.School of Resources and Environmental Engineering,Anhui University,Hefei,Anhui 230601,China; 2.Geographic Information Engineering Center of Anhui Province,Hefei,Anhui 230601,China; 3.China Energy Engineering Group of Anhui Electric Power Design Institute,Hefei,Anhui 230601,China)
关键词:
 树冠体积点云数据三维激光扫描自动化
Keywords:
 tree crown volume point cloud data 3D laser scanning automation
分类号:
S758
DOI:
10.3969/j.issn.1001-7461.2017.02.41
文献标志码:
A
摘要:
 树冠体积是生物量、三维绿量测算的重要参数。针对树冠拓扑结构复杂,现有方法提取精度差、自动化程度低的问题,提出一种利用激光点云数据自动获取树冠体积的新方法。以树木点云数据为基础,运用扇形面积逼近和不规则体切片分割累加算法,实现树冠体积的自动计算。对试验区树木进行测量计算,并与传统方法、基于点云的手动测量法分别进行对比分析。结果表明,基于点云数据自动计算树冠体积的方法实现了单木树冠的无损自动计算,不但节省了人力,而且在计算精度方面提高了6.17%,具有一定的实践意义和应用价值,可以为树冠结构的研究提供参考。
Abstract:
 Tree crown volume is an important parameter in the study of biomass and 3D green biomass.In view of the problems such as the complexity of the tree crown topology structure,the poor accuracy and low degree of automation in the existing method,this paper presented an automatic extraction measurement of the tree crown volume method with laser point cloud data.Based on the tree point cloud data,the automatic calculation was achieved by using the sector area approximation and the irregular slice segmentation algorithm.Sample trees in the experimentation area were measured and calculated.The new method achieved the nondestructive automatic calculation of the single tree crown volume.Compared with the traditional method,it not only saved manpower,but also improved the accuracy of the calculation by 6.17%.Also it had a certain practical significance and application value,which could provide reference for the research of crown structure.

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备注/Memo

备注/Memo:
 收稿日期:2016-10-31修回日期:2016-12-06
基金项目:国土环境与灾害监测国家测绘局重点实验室开放基金资助项目(LEDM2014B02);安徽省智慧城市与地理国情监测重点实验室开放基金(2016-K-01Y);安徽大学研究生学术创新研究扶持与强化项目(yqh100252)。
作者简介:王祺,男,硕士研究生,研究方向:三维激光扫描技术在林业中的应用。E-mail:wqahu312@163.com
*通信作者:胡洪,男,博士,讲师,研究方向:三维激光扫描数据处理和GNSS精密定位。E-mail:huhong@ahu.edu.cn
吴艳兰,女,博士,教授,研究方向:三维激光扫描技术在林业中的应用及海洋划界。E-mail:wylmq@sina.com
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