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Mixed Reality-based MEP construction progress monitoring: Evaluation of methods for mesh-to-mesh comparison
Automation in Construction ( IF 9.6 ) Pub Date : 2024-11-08 , DOI: 10.1016/j.autcon.2024.105852
Boan Tao, Frédéric Bosché, Jiajun Li

Visually monitoring progress and geometric quality on site using Mixed Reality (MR) and overlaid Building Information Model (BIM model) is challenging, particularly in complex contexts like complex mechanical, electrical, and plumbing (MEP) systems. This paper proposes and evaluates four individual methods and three combined ones for automated object recognition and deviation evaluation, based on the matching and comparison of the 3D mesh captured on site by MR systems with the mesh geometry of the elements in the (as-designed) BIM model. The four individual methods include: (1) Bounding Box Occupation, (2) Point-to-Surface Distance, (3) Voxel Occupation, (4) Feature Matching. Three combined methods are Method 14, Method 24 and Method 34 (i.e. combining methods 1 and 4, 2 and 4, and 3 and 4, respectively). The methods are evaluated using both synthetic and real data of MEP construction works, with the Method 14 yielding the best performance.

中文翻译:


基于混合现实的 MEP 施工进度监控:网格到网格比较方法的评估



使用混合现实 (MR) 和叠加建筑信息模型 (BIM 模型) 在现场直观地监控进度和几何质量是一项挑战,尤其是在复杂的机械、电气和管道 (MEP) 系统等复杂环境中。本文基于现场捕获的 3D 网格与(设计)BIM 模型中单元的网格几何形状的匹配和比较,提出并评估了四种单独的方法和三种组合方法,用于自动对象识别和偏差评估。这四种单独的方法包括:(1) 边界框占用,(2) 点到表面距离,(3) 体素占用,(4) 特征匹配。三种组合方法是方法 1∪4、方法 2∪4 和方法 3∪4(即分别组合方法 1 和 4、2 和 4 以及 3 和 4)。这些方法使用 MEP 施工工程的合成和真实数据进行评估,方法 1∪4 的性能最好。
更新日期:2024-11-08
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