| 像控点布设对勘测定界复杂区域实景建模精度的影响 |
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| 引用本文： | 周诗洋,吴向阳.像控点布设对勘测定界复杂区域实景建模精度的影响[J].测绘通报,2022,0(2):1-4+15. |
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| 作者姓名： | 周诗洋 吴向阳 |
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| 作者单位： | 东南大学交通学院, 江苏 南京 211189 |
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| 基金项目： | 国家重点研发计划(2020YFD1100200)； |
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| 摘 要： | 为研究勘测定界复杂区域像控点布设对实景建模精度的影响，以及建模能否满足测量精度要求的问题，本文根据测区建筑物西密东疏的实际情况，设计了5种像控点布设方案，进行像片采集及三维建模，并从模型的平面精度、高程精度和边长精度3个方面，对各方案制作的模型进行了精度对比分析。结果表明：5种布设方案制作的测区模型在平面精度、高程精度、边长精度3个方面均可满足精度要求；在边缘布设的基础上，在建筑物等密集区域适当增加像控点的个数能够提高模型精度。本文为勘测定界复杂区域像控点布设提供了指导方案。
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| 关 键 词： | 勘测定界 倾斜摄影 三维实景模型 像控点 精度分析 |
| 收稿时间： | 2021-05-27 |
| 修稿时间： | 2021-12-23 |
The influence of image control point layout on the accuracy of real scene modeling in complex area of survey and demarcation |
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| ZHOU Shiyang,WU Xiangyang.The influence of image control point layout on the accuracy of real scene modeling in complex area of survey and demarcation[J].Bulletin of Surveying and Mapping,2022,0(2):1-4+15. |
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| Authors: | ZHOU Shiyang WU Xiangyang |
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| Institution: | School of Transportation, Southeast University, Nanjing 211189, China |
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| Abstract: | In order to study the influence of the layout of image control points in the complex area of survey and delimitation on the accuracy of real scene modeling and whether the modeling can meet the requirements of measurement accuracy, according to the actual situation that the buildings in the survey area are dense in the west and sparse in the east, five image control point layout schemes are designed for image acquisition and three-dimensional modeling, and the accuracy of the models made by each scheme is compared and analyzed from three aspects: plane accuracy, elevation accuracy and side length accuracy. The results show that the survey area models made by the five layout schemes can meet the accuracy requirements in plane accuracy, elevation accuracy and side length accuracy; On the basis of edge layout, appropriately increasing the number of image control points in dense areas such as buildings can improve the accuracy of the model. This study can provide a guiding scheme for the layout of image control points in complex areas. |
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| Keywords: | surveying boundary oblique photography three-dimensional real scene model image control point accuracy analysis |
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