[1]刘杰,李卫正,张青萍*,等. 基于小型UAV的森林公园正射影像制图分析——以上海滨江森林公园为例[J].西北林学院学报,2016,31(2):213-218.[doi:10.3969/j.issn.1001-7461.2016.02.36]
 LIU Jie,LI Wei-zheng,ZHANG Qing-ping*,et al. DOM Mapping Analysis of Forest Park Based on UAV——A Case Study of Shanghai Riverside Forest Park[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2016,31(2):213-218.[doi:10.3969/j.issn.1001-7461.2016.02.36]
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 基于小型UAV的森林公园正射影像制图分析——以上海滨江森林公园为例()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第31卷
期数:
2016年第2期
页码:
213-218
栏目:
出版日期:
2016-03-31

文章信息/Info

Title:
 DOM Mapping Analysis of Forest Park Based on UAV——A Case Study of Shanghai Riverside Forest Park
文章编号:
1001-7461(2016)02-0213-06
作者:
 刘杰1李卫正12张青萍1*申世广1舒婷1
 (1.南京林业大学 风景园林学院,江苏 南京 210037;2.南京林业大学 现代分析测试中心,江苏 南京 210037)
Author(s):
 LIU Jie1LI Wei-zheng12ZHANG Qing-ping1*SHEN Shi-Guang1SHU Ting1
 (1.School of Landscape Architecture,Nanjing Forestry University,Nanjing,Jiangsu 210037,China;2.Advanced Analysis and Testing Center,Nanjing Forestry University,Nanjing,Jiangsu 210037,China)
关键词:
 UAV森林公园正射影像图像控点匹配点精度评估
Keywords:
 UAV forest park DOM GCPs match points accuracy assessment
分类号:
S771.3
DOI:
10.3969/j.issn.1001-7461.2016.02.36
文献标志码:
A
摘要:
 高空间分辨率森林公园遥感影像图,能反映森林公园景观布局特点和景观要素间空间特征关系。以植被覆盖率90%,面积120 hm2的上海滨江森林公园为研究对象,使用小型UAV采集影像,借助瑞士Pix4UAV软件尝试进行1∶1 000森林公园正射影像制作。同时,分析影像同名点连接度分布与不同森林植被覆盖类型间关系,探讨像控点数量对制图精度的影响。试验表明,小型固定翼UAV配合地面像控点采集可以快速准确完成森林公园高分辨率影像制图,正射影像空间分辨率为0.052 m,平面位置X方向误差为0.048~0.190 m;Y方向误差为0.013~0.112 m,平面偏移量为0.048~0.194 m;综合考虑制图精度与外业数据采集效率,建议的像控点数量为16~26个。针叶林景观区的影像对同名点连接数在200以下,公园内及周边建筑密度较大区域影像对同名点连接数在1 500~2 000之间,杉科植物景观区、专类植物景观区、入口景观区、原生林景观区以及草坪游憩区匹配点连接数介于两者之间,可能存在不同区域制图精度不同的现象。
Abstract:
 Forest park remote sensing plane mapping with high spatial resolution can more accurately reflect the characteristics of forest park landscape layout and spatial relation among landscape elements.Shanghai Riverside Forest Park with an area of 120 hm2 and vegetation coverage of 90% was selected as research object to prepare orthophoto (1∶1 000) of the park.Portable UAV was used to capture images and Swiss Pix4UAV software was used to process the data.The relationship between image point connection distribution and forest landscape was analyzed to probe the impact of GCPs number on cartographic accuracy.The results showed that small fixed-wing UAV could complete the forest park high resolution plane mapping quickly and accurately when using GCPs,the orthophoto spatial resolution was 0.052 m.The X- and Y-direction errors were 0.048-0.190,and 0.013-0.112 m,respectively.The plane position offset was 0.048-0.194 m.Considering the efficiency of the data acquisition,the image control points were 16 to 26.The coniferous forest landscape image matching-point connections were below 200,in places with more architectures in the park,the surrounding matching-point connections were between 1 500-2 000.Metsequoia landscape area,native forest landscape area as well as lawn area had different matching-point connections.Different regional mapping accuracies might exist among different regions.

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备注/Memo

备注/Memo:
 收稿日期:2015-05-12修回日期:2015-08-29
基金项目:国家林业公益性行业科研专项(201304208);国家自然科学基金(31270587,31570703);江苏高校优势学科建设工程(PAPD,生物学);国家级园林虚拟现实实验教学示范中心资助。
作者简介:刘杰,女,硕士研究生,研究方向:无人机图像在风景园林规划设计中的应用。E-mail:1119356404@qq.com
*通信作者:张青萍,女,教授,博士生导师,研究方向:园林规划设计与数字景观。E-mail:qpzh@njfu.edu.cn
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