ACCURACY ASSESSMENT OF DIGITAL SURFACE MODELS FROM UNMANNED AERIAL VEHICLES’ IMAGERY ON ARCHAEOLOGICAL SITES

IF 3.1 Q2 ENGINEERING, GEOLOGICAL International Journal of Engineering and Geosciences Pub Date : 2021-06-01 DOI:10.26833/ijeg.696001
Emre Şenkal, Gordana Kaplan, U. Avdan
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引用次数: 46

Abstract

With the developing technologies, the use of unmanned aerial vehicles’s (UAV) is increasing in all areas. Compared with the conventional photogrammetry and remote sensing sensors, UAVs are more convenient to collect data for small areas. In this study, the accuracy of UAV products was investigated in the archeological area of Eskisehir Şarhoyuk. In order to produce reference data for the orthophoto and DTM accuracy analysis, a digital map from the test area was produced using in-situ measurements. Also, for the comparison of the point cloud, a small test area was determined and reference point cloud data was collected with terrestrial laser scanner. The comparison of the results showed significant difference between the UAV images and images collected by conventional methods. Thus, while there was 1 m difference between the data without the use of control points, and the use of control points significantly improved the results.
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考古遗址无人机图像数字地表模型的精度评估
随着技术的发展,无人驾驶飞行器在各个领域的应用越来越广泛。与传统的摄影测量和遥感传感器相比,无人机更便于在小范围内采集数据。本研究在Eskisehir Şarhoyuk考古区域对无人机产品的精度进行了调查。为了为正射影像仪和DTM精度分析提供参考数据,使用原位测量生成了测试区域的数字地图。此外,为了对点云进行对比,确定了一个小的测试区域,并利用地面激光扫描仪收集了参考点云数据。结果表明,无人机图像与常规方法采集的图像存在显著差异。因此,虽然没有使用控制点的数据之间有1 m的差异,但使用控制点显著改善了结果。
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来源期刊
CiteScore
4.00
自引率
0.00%
发文量
12
审稿时长
30 weeks
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