[1]桑文刚*,赵培华,刘庆新,等.空地联合布控无人机倾斜摄影建模精度优化[J].山东建筑大学学报,2020,35(05):21-26.[doi:10.12077/sdjz.2020.05.004]
 SANG Wengang*,ZHAO Peihua,LIU Qingxin,et al.Optimization of modeling accuracy of UAV tilt photography based on space ground joint control[J].Journal of Shandong jianzhu university,2020,35(05):21-26.[doi:10.12077/sdjz.2020.05.004]
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空地联合布控无人机倾斜摄影建模精度优化()
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《山东建筑大学学报》[ISSN:1673-7644/CN:37-1449/TU]

卷:
35
期数:
2020年05期
页码:
21-26
栏目:
研究论文
出版日期:
2020-09-05

文章信息/Info

Title:
Optimization of modeling accuracy of UAV tilt photography based on space ground joint control
文章编号:
1673-7644(2020)05-0021-06
作者:
桑文刚*赵培华刘庆新黄黎明李玉斌
(山东建筑大学 测绘地理信息学院,山东 济南 250101)
Author(s):
SANG Wengang*ZHAO PeihuaLIU QingxinHUANG LimingLI Yubin
( School of Surveying and Geo-Informatics, Shandong Jianzhu University, Jinan 250101, China )
关键词:
倾斜摄影像控点布设三维模型平面精度高程精度
Keywords:
tilt photographylayout of image control pointsthree-dimensional model plane accuracy elevation accuracy
分类号:
P231
DOI:
10.12077/sdjz.2020.05.004
文献标志码:
A
摘要:
在城市高层密集建筑区域,无人机倾斜摄影技术存在三维建模高程精度不均匀的问题,而像控点布设则可直接影响三维模型的精度。文章利用摄影测量解析几何及共线方程,研究加密点位置精度与像控点数量及空间分布内在关系,提出了空地联合布设及像控点优化方案提高三维建模精度,并采用消费级无人机倾斜摄影进行实地数据采集和建模验证。结果表明:不同布控方式精度差异较大,相较单一地面或楼顶布控,联合布控方案的平面和高程精度分别提高了22%~60%和68%~77%;基于空地联合布控,有针对性地在个别区域加密多层次像控点,可有效地提高三维模型整体精度。
Abstract:
In urban high-rise dense building area, UAV tilt photography technology has the problem of uneven elevation accuracy in 3D modeling. The layout of image control points can directly affect the accuracy of the model.This paper first studies the internal relations between the accuracy and the quantities as well as the distribution for each point using photogrammetric analysis of geometric and collinear equation, and then proposes a potential method of space-ground joint layout and optimization of image control points to improve the accuracy of three-dimensional modeling. By designing and optimizing different experimental schemes, the field data acquisition and modeling were carried out by a consumer UAV with a single lens. The results show that the elevation accuracy of the three-dimensional model can be effectively improved by optimizing the space-ground joint control. Compared with single ground or roof control, the plane accuracy and elevation accuracy are increased by 22%~60% and 68%~77% respectively. By air ground joint control, it can effectively improve the overall accuracy of 3D model by encrypting multi-level image control points in specific areas.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2020-09-02 基金项目:山东省重点研发计划项目(2019GSF111052);山东省高等学校科技计划项目(J17KA071);住房和城乡建设部科技计划项目(2017-K7-001)作者简介:桑文刚(1978-),男,副教授,博士,主要从事卫星导航定位、三维实景建模及多源数据融合等方面的研究。E-mail:5201197@qq.com[*通讯作者]
更新日期/Last Update: 2020-07-21