利用集成无人机和TLS点云构建矿业产业结构的三维CityGML模型

IF 6.9 1区 工程技术 Q2 ENERGY & FUELS
Canh Le Van, Cuong Xuan Cao, Anh Ngoc Nguyen, Chung Van Pham, Long Quoc Nguyen
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引用次数: 0

摘要

具有人为工程结构的矿业工业区是现实世界最显著的特征之一。现实世界的3D模型在许多应用中越来越受欢迎,例如数字双胞胎和智能工厂管理。本研究基于CityGML标准建立了矿山工程构筑物的三维模型。为了收集空间数据,采用了两种最流行的地理空间技术,即UAV-SfM和TLS。无人机测量精度为厘米级,满足CityGML标准创建各级细节(LoD)的绝对位置精度要求。因此,采用UAV-SfM点云数据集构建LoD 2模型。此外,通过对正立面和屋顶的无人机- sfm和TLS子云的对比发现,这些目标的无人机- sfm和TLS点云高度一致,因此,使用无人机- sfm和TLS集成提供的更高细节和精度的点云来构建LoD 3模型。由此产生的3D CityGML模型包括位于LoD 2的39座建筑物,以及位于LoD 3的带有吊装室、井架和滑轮的两个矿井。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Building 3D CityGML models of mining industrial structures using integrated UAV and TLS point clouds

Building 3D CityGML models of mining industrial structures using integrated UAV and TLS point clouds
Abstract Mining industrial areas with anthropogenic engineering structures are one of the most distinctive features of the real world. 3D models of the real world have been increasingly popular with numerous applications, such as digital twins and smart factory management. In this study, 3D models of mining engineering structures were built based on the CityGML standard. For collecting spatial data, the two most popular geospatial technologies, namely UAV-SfM and TLS were employed. The accuracy of the UAV survey was at the centimeter level, and it satisfied the absolute positional accuracy requirement of creating all levels of detail (LoD) according to the CityGML standard. Therefore, the UAV-SfM point cloud dataset was used to build LoD 2 models. In addition, the comparison between the UAV-SfM and TLS sub-clouds of facades and roofs indicates that the UAV-SfM and TLS point clouds of these objects are highly consistent, therefore, point clouds with a higher level of detail and accuracy provided by the integration of UAV-SfM and TLS were used to build LoD 3 models. The resulting 3D CityGML models include 39 buildings at LoD 2, and two mine shafts with hoistrooms, headframes, and sheave wheels at LoD 3.
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来源期刊
CiteScore
11.40
自引率
8.40%
发文量
678
审稿时长
12 weeks
期刊介绍: The International Journal of Coal Science & Technology is a peer-reviewed open access journal that focuses on key topics of coal scientific research and mining development. It serves as a forum for scientists to present research findings and discuss challenging issues in the field. The journal covers a range of topics including coal geology, geochemistry, geophysics, mineralogy, and petrology. It also covers coal mining theory, technology, and engineering, as well as coal processing, utilization, and conversion. Additionally, the journal explores coal mining environment and reclamation, along with related aspects. The International Journal of Coal Science & Technology is published with China Coal Society, who also cover the publication costs. This means that authors do not need to pay an article-processing charge.
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