无人机图像在库存测绘中的应用——以工业园区为例

2018 Baltic Geodetic Congress (BGC Geomatics) Pub Date : 2018-06-21 DOI:10.1109/BGC-GEOMATICS.2018.00020

G. Gabara, P. Sawicki

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引用次数: 2

摘要

本文介绍了UAV/UAS图像精度评估和库存测绘数字处理的结果。测试对象是Stryków市的一个工业区。照相块(581张照片，GSD为4.6 cm)配准使用配备索尼NEX-5T 16 MP数码系统相机的Trimble®UX5无人机。在Agisoft Photoscan和Pix4Dmapper Pro软件中进行了自定标的自动空中三角测量，并生成了密集点云、数字曲面模型(DSM)和正射影图。在AutoCAD Civil 3D 2017套件中，对使用直接大地测量详细测量的现有底图进行摄影测量3D数据收集的结果进行比较。生成的DSM还使用CloudCompare应用程序进行分析。获得的摄影测量二维矢量化精度满足波兰大地测量技术规范第1测量组地形细部精度要求。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Application of UAV Imagery for Inventory Mapping – A Case of Industrial Estate

The paper presents the results of the accuracy assessment of UAV/UAS imagery and digital processing for inventory mapping. The test object was an industrial estate in the Stryków municipality. The photo block (581 photos, GSD was 4.6 cm) registration was performed using Trimble®UX5 UAS equipped with Sony NEX-5T 16 MP digital system camera. The automatic aerial triangulation with self-calibration using the bundle block adjustment was performed and dense point clouds, digital surface model (DSM) and finally an orthomosaic were generated in Agisoft Photoscan and in Pix4Dmapper Pro software. The results of photogrammetric 3D data collection with an existing base map, which was elaborated using direct geodetic detailed surveys, were compared in AutoCAD Civil 3D 2017 suite. The generated DSM's were additionally analyzed using CloudCompare application. The obtained accuracy of photogrammetric 2D vectorization fulfils the accuracy requirements of the 1 st survey group of terrain details, specified in Polish geodetic technical norm.

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2018 Baltic Geodetic Congress (BGC Geomatics)

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