3D reconstruction and dimension recovery algorithm for architectural structures using sequential images and photography trajectories

IF 11.5 1区工程技术 Q1 CONSTRUCTION & BUILDING TECHNOLOGY

Automation in Construction Pub Date : 2025-08-11 DOI:10.1016/j.autcon.2025.106465

Jianxiong Zhang , Hongxing Qiu , Yunlong Lu , Jian Sun , Guanqi Lan

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引用次数: 0

Abstract

Accurate 3D reconstruction and dimension recovery of engineering structures are crucial for dimensional inspection, whereas classic SfM + MVS reconstruction only generates scaled similar models. To address this issue, a 3D reconstruction and dimension recovery algorithm using sequential images and photography trajectories is proposed. The algorithm improves traditional 3D reconstruction by integrating inertial measurement unit (IMU) data to estimate photography trajectories, down-sampling and time-aligning trajectory points using timestamps of sequential images as reference, and solving the scale factor via data fusion to recover absolute dimensions. Laboratory validation on specimens shows that the proposed algorithm achieves a 0.58 % mean relative error (MRE) between calculated and measured dimensions, confirming high accuracy; further validation on practical structures demonstrates that, paired with the smart terminal-based mobile scheme, the proposed algorithm yields 1.29 % MRE for small-scale components and 2.73 % for large-scale structures, further verifying the engineering practicability.

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基于序列图像和摄影轨迹的建筑结构三维重建与尺寸恢复算法

工程结构的精确三维重建和尺寸恢复是尺寸检测的关键，而经典的SfM + MVS重建只能生成按比例缩放的相似模型。为了解决这一问题，提出了一种基于序列图像和摄影轨迹的三维重建和尺寸恢复算法。该算法改进了传统的三维重建方法，利用惯性测量单元（IMU）数据估计摄影轨迹，并以序列图像的时间戳为参考进行下采样和时间对准轨迹点，通过数据融合求解尺度因子恢复绝对尺寸。实验验证表明，该算法计算尺寸与测量尺寸的平均相对误差（MRE）为0.58%，具有较高的精度；对实际结构的进一步验证表明，结合基于智能终端的移动方案，该算法对小型构件的MRE为1.29%，对大型结构的MRE为2.73%，进一步验证了工程实用性。

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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.