Automated UAV image-to-BIM registration for planar and curved building façades using structure-from-motion and 3D surface unwrapping

IF 9.6 1区工程技术 Q1 CONSTRUCTION & BUILDING TECHNOLOGY

Automation in Construction Pub Date : 2025-03-26 DOI:10.1016/j.autcon.2025.106148

Cheng Zhang , Yang Zou , Feng Wang , Johannes Dimyadi

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引用次数: 0

Abstract

Texturing Building Information Model (BIM) with up-to-date Unmanned Aerial Vehicle (UAV) images has brought substantial benefits to building façade inspection. However, current image-to-BIM registration methods are sensitive to UAV positioning accuracy and façade features. Additionally, perspective and geometry distortions on UAV images hinder the texturing of curved façades. To address these issues, this paper introduces an approach to registering UAV images onto BIM for buildings with both planar and curved façades. Firstly, Structure-from-Motion is used to align UAV images with BIM. Secondly, fragmented and distorted UAV images of planar and curved façades are converted onto a distortion-free panoramic image using 3D surface unwrapping. Thirdly, the generated panoramic image is projected onto BIM surfaces as textures. The process has been automated using a Dynamo prototype and evaluated through computer simulation and a real-world case study. The outcome shows a mean accuracy of 1.7 pixels and 8.5 mm.

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利用 "从运动到结构 "和三维表面解包技术，实现平面和曲面建筑立面的无人机图像到 BIM 的自动注册

利用最新的无人机（UAV）图像纹理化建筑信息模型（BIM）为建筑立面检测带来了巨大的好处。然而，目前的图像到bim的配准方法对无人机的定位精度和地形特征很敏感。此外，UAV图像上的透视和几何变形阻碍了曲面的纹理化。为了解决这些问题，本文介绍了一种将具有平面和弯曲立面的建筑物的无人机图像注册到BIM上的方法。首先，使用Structure-from-Motion将无人机图像与BIM对齐。其次，利用三维曲面解包裹技术，将碎片化、畸变化的平面和曲面无人机图像转换为无畸变的全景图像；第三，将生成的全景图像作为纹理投影到BIM表面上。该过程已使用Dynamo原型机实现自动化，并通过计算机模拟和实际案例研究进行了评估。结果显示平均精度为1.7像素和8.5毫米。

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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来源期刊

Automation in Construction 工程技术-工程：土木

CiteScore

19.20

自引率

16.50%

发文量

563

审稿时长

8.5 months

期刊介绍： Automation in Construction is an international journal that focuses on publishing original research papers related to the use of Information Technologies in various aspects of the construction industry. The journal covers topics such as design, engineering, construction technologies, and the maintenance and management of constructed facilities. The scope of Automation in Construction is extensive and covers all stages of the construction life cycle. This includes initial planning and design, construction of the facility, operation and maintenance, as well as the eventual dismantling and recycling of buildings and engineering structures.