像控点刺点影像选取对无人机测量精度的影响
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摘要
为提高无人机倾斜摄影测量成果点位的精度,提出了一种在相同的工作量下精度最优的刺点方案。针对空中三角测量解算时对控制点所在影像的选取,分别进行了三种不同实验(全部刺于下视影像、全部刺于侧视影像、刺于5个方向影像)。通过对3种刺点方案的实验结果对比分析,得出在刺点数相同的条件下刺点方式对实验结果有影响,当像控点刺于5个方向影像时,空间坐标精度最高。研究可为无人机倾斜摄影技术应用于工程实践提供科学参考。
In order to improve the accuracy of the points' position which was acquired through the technology of unmanned aerial vehicle oblique photogrammetry,a solution was proposed for the best precision of choosing point under the same workload. Three different experiments( all in the low view pictures,all in the side view pictures and in 5 different view pictures) are performed on the selection of control point images in the air triangulation solution. The results show that different solutions would influence the precision of the spatial coordinate under the same conditions. In the condition of choosing the same number of points,the solution of in 5 different directions got the best accuracy. It would provide a reference for the application of oblique photogrammetry technology in engineering practice.
In order to improve the accuracy of the points' position which was acquired through the technology of unmanned aerial vehicle oblique photogrammetry,a solution was proposed for the best precision of choosing point under the same workload. Three different experiments( all in the low view pictures,all in the side view pictures and in 5 different view pictures) are performed on the selection of control point images in the air triangulation solution. The results show that different solutions would influence the precision of the spatial coordinate under the same conditions. In the condition of choosing the same number of points,the solution of in 5 different directions got the best accuracy. It would provide a reference for the application of oblique photogrammetry technology in engineering practice.
引文
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8 周玉辉.埃塞俄比亚亚吉铁路工程测量技术路线探讨[J].铁道勘察,2017,43(4):8-10,14Zhou Yuhui. Research on technical line of surveying in Addis AbabaDjibouti railway of Ethiopia[J]. Railway Investigation and Surveying,2017,43(4):8-10,14
9 顾斌.数字图像与激光点云配准及在建筑物维建模中的应用[D].徐州:中国矿业大学,2014Gu Bin. Registration of digital images and laser points cloud and its application in 3D model of buildings[D]. Xuzhou:China University of Mining and Technology,2014
10 于广瑞,曲以春,于兴超,等.基于Geoway软件的低空无人机影像快速处理[J].北京测绘,2015(6):58-61Yu Guangrui,Qu Yichun,Yu Xingchao,et al. Unmanned aerial vehicle image fast processing with Geoway software[J]. Beijing Surveying and Mapping,2015(6):58-61
11 全国地理信息标准化技术委员会. 1∶500 1∶1000 1∶2000地形图航空摄影测量外业规范:GB/T 7931—2008[S].北京:中国标准出版社,2008National Technical Committee on Geographic Information of Standardization Administration of China. Specifications for aerophotogrammetric field work of 1∶500 1∶1000 1∶2000 topographic maps:GB/T 7931—2008[S]. Beijing:Standards Press of China,2008
2 胡海友.基于Inpho的空三加密及正射影像制作方法研究[J].铁道勘察,2013,39(6):12-15Hu Haiyou. Research on aero triangulation and DOM generation based on Inpho[J]. Railway Investigation and Surveying,2013,39(6):12-15
3 姚新.无人机提高目标定位精度方法研究[J].舰船电子工程,2011,31(10):56-59Yao Xin. Research on the improved orientation accuracy method of unmanned aerial vehicle[J]. Ship Electronic Engineering,2011,31(10):56-59
4 史华林.无人机航测系统在公路带状地形测量中的应用[J].测绘通报,2014(6):60-62Shi Hualin. Application of Unmanned Aerial Vehicle aerophotographic system in highway strip topographic survey[J]. Bulletin of Surveying and Mapping,2014(6):60-62
5 朱进,丁亚洲,陈攀杰,等.控制点布设对无人机影像空三精度的影响[J].测绘科学,2016,41(5):116-120Zhu Jin,Ding Yazhou,Chen Panjie,et al. Influence of control points'layout on aero-triangulation accuracy for unmanned aerial vehicle[J].Science of Surveying and Mapping,2016,41(5):116-120
6 周晓波,王军,周伟,等.基于无人机倾斜摄影快速建模方法研究[J].现代测绘,2017,40(1):40-42Zhou Xiaobo,Wang Jun,Zhou Wei,et al. Research on rapid modeling method based on unmanned aerial vehicle oblique photography[J]. Modern Surveying and Mapping,2017,40(1):40-42
7 黄皓中,陈建平,向杰,等.控制点布设对无人机遥感精度的影响[J].科学技术与工程,2018,18(13):310-313Huang Haozhong,Chen Jianping,Xiang Jie,et al. The influence of control points distribution for unmanned aerial vehicle remote sensing[J]. Science Technology and Engineering,2018,18(13):310-313
8 周玉辉.埃塞俄比亚亚吉铁路工程测量技术路线探讨[J].铁道勘察,2017,43(4):8-10,14Zhou Yuhui. Research on technical line of surveying in Addis AbabaDjibouti railway of Ethiopia[J]. Railway Investigation and Surveying,2017,43(4):8-10,14
9 顾斌.数字图像与激光点云配准及在建筑物维建模中的应用[D].徐州:中国矿业大学,2014Gu Bin. Registration of digital images and laser points cloud and its application in 3D model of buildings[D]. Xuzhou:China University of Mining and Technology,2014
10 于广瑞,曲以春,于兴超,等.基于Geoway软件的低空无人机影像快速处理[J].北京测绘,2015(6):58-61Yu Guangrui,Qu Yichun,Yu Xingchao,et al. Unmanned aerial vehicle image fast processing with Geoway software[J]. Beijing Surveying and Mapping,2015(6):58-61
11 全国地理信息标准化技术委员会. 1∶500 1∶1000 1∶2000地形图航空摄影测量外业规范:GB/T 7931—2008[S].北京:中国标准出版社,2008National Technical Committee on Geographic Information of Standardization Administration of China. Specifications for aerophotogrammetric field work of 1∶500 1∶1000 1∶2000 topographic maps:GB/T 7931—2008[S]. Beijing:Standards Press of China,2008
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