Application of UAV Realistic 3D Modeling in Integral Relocation and Protection of “Yangtze River Estuary II” Ancient Ship

doi:10.16183/j.cnki.jsjtu.2023.S1.15

Abstract

Abstract:

Realistic 3D modeling is the digital base for the construction of digital economy and digital engineering. This paper introduces the key technologies and control of the overall relocation and protection of “Yangtze River Estuary II” ancient ship during the process of image acquisition and realistic 3D modeling using the oblique photography technology of unmanned aerial vehicle (UAV), analyzes the accuracy of aerial triangulation in realistic 3D modeling, and finally discusses the visual display and application of the real-time 3D model through the Web 3D GIS platform.

Key words: unmanned aerial vehicle (UAV), oblique photography, realistic 3D, visualization

CLC Number:

P231

ZHOU Dongrong, CHEN Shihai, JIANG Zhe, YAN Sainan, YAN Ruihai, GAO Yu. Application of UAV Realistic 3D Modeling in Integral Relocation and Protection of “Yangtze River Estuary II” Ancient Ship[J]. Journal of Shanghai Jiao Tong University, 2023, 57(S1): 20-24.

Figures/Tables 6

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Tab.1

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Tab.2

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References 4

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观测窗口状态	截止高度角15°以上的卫星个数	PDOP值
良好	>5	<4
可用	5	≤6
不可用	<5	>6

点号	已校准的影像数	重投影误差 RMS/ 像素	三维误差/mm	水平误差/mm
P1	18	0.39	6.6	X: 4.9 Y: 4.3	0.9
P2	19	0.57	2.9	X: -2.7 Y: 0.8	0.5
P3	15	0.43	5.6	X: -2.3 Y: -5	0.3
整体RMS		0.47	5.3	X: 3.5 Y: 3.8	0.6

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