[HTML][HTML] Scan-to-graph: automatic generation and representation of highway geometric digital twins from point cloud data

Y Pan, M Wang, L Lu, R Wei, S Cavazzi, M Peck… - Automation in …, 2024 - Elsevier
Constructing geometric digital twins of highways at present still demands substantial human
effort. Unlike most previous work that uses deep learning models to segment point clouds of …

[HTML][HTML] Matching design-intent planar, curved, and linear structural instances in point clouds

Z Hu, I Brilakis - Automation in Construction, 2024 - Elsevier
The lack of timely progress monitoring and quality control contributes to cost-escalation,
lowering of productivity, and broadly poor project performance. This paper addressed the …

[HTML][HTML] From dense point clouds to semantic digital models: End-to-end AI-based automation procedure for Manhattan-world structures

M Mehranfar, A Braun, A Borrmann - Automation in Construction, 2024 - Elsevier
The paper presents a novel method for automatically creating semantic digital models for
buildings in Manhattan environments from dense point cloud data. Unlike previous …

[HTML][HTML] Connectivity detection for automatic construction of building geometric digital twins

V Drobnyi, S Li, I Brilakis - Automation in Construction, 2024 - Elsevier
Existing buildings' geometry digitisation using Point Cloud Datasets is important. This is
evident given the lack of digital as-designed models for older buildings, which can serve as …

[PDF][PDF] Automatic creation of digital building twins with rich semantics from dense RGB point clouds through semantic segmentation and model fitting

M Mehranfar, A Braun… - Proc. of the 30th Int …, 2023 - mediatum.ub.tum.de
Digital twins have emerged as a crucial tool for the operation and maintenance of buildings
and infrastructure. A digital twin (DT) is a virtual replica of assets that provides valuable …

Digitization of Existing Buildings with Arbitrary Shaped Spaces from Point Clouds

V Drobnyi, S Li, I Brilakis - Journal of Computing in Civil …, 2024 - ascelibrary.org
Digital twins for buildings can significantly reduce building operation costs. However,
existing methods for constructing geometric digital twins fail to model the complex geometry …

Synthetic images generation for semantic understanding in facility management

L Rampini, F Re Cecconi - Construction Innovation, 2024 - emerald.com
Purpose This study aims to introduce a new methodology for generating synthetic images for
facility management purposes. The method starts by leveraging the existing 3D open-source …

360-Degree Tri-Modal Scanning: Engineering a Modular Multi-Sensor Platform for Semantic Enrichment of BIM Models

FC Collins, F Noichl, M Slepicka… - ISPRS Annals of …, 2024 - isprs-annals.copernicus.org
Point clouds, image data, and corresponding processing algorithms are intensively
investigated to create and enrich Building Information Models (BIM) with as-is information …

Long living human-machine systems in construction and production enabled by digital twins: Exploring applications, challenges, and pathways to sustainability

B Vogel-Heuser, F Hartl, M Wittemer, J Zhao… - at …, 2024 - degruyter.com
In the industrial sector, products evolve significantly over their operational life. A key
challenge has been maintaining precise, relevant engineering data. This paper explores the …

[PDF][PDF] Automated Geometric-Semantic Digital Twinning of Staircase From Dense Laser Scanner Point Clouds by Parametric Prototype Models

M Mehranfar, A Braun… - European Conference on …, 2024 - mediatum.ub.tum.de
Abstract Digital Twins (DTs) have become as valuable tools for management, and operation
of assets. A main challenge, however, persists in the automated creation of high-quality …