Journal ArticleDOI
Towards automatic generation of as-built BIM: 3D building facade modeling and material recognition from images
Jun Yang,Zhongke Shi,Ziyan Wu +2 more
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TLDR
The paper proposes to reconstruct a building facade and recognize its surface materials from images taken from various points of view to serve as initial steps towards automatic generation of as-built BIM.Abstract:
As-built building information model (BIM) is an urgent need of the architecture, engineering, construction and facilities management (AEC/FM) community. However, its creation procedure is still labor-intensive and far from maturity. Taking advantage of prevalence of digital cameras and the development of advanced computer vision technology, the paper proposes to reconstruct a building facade and recognize its surface materials from images taken from various points of view. These can serve as initial steps towards automatic generation of as-built BIM. Specifically, 3D point clouds are generated from multiple images using structure from motion method and then segmented into planar components, which are further recognized as different structural components through knowledge based reasoning. Windows are detected through a multilayered complementary strategy by combining detection results from every semantic layer. A novel machine learning based 3D material recognition strategy is presented. Binary classifiers are trained through support vector machines. Material type at a given 3D location is predicted by all its corresponding 2D feature points. Experimental results from three existing buildings validate the proposed system.read more
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Journal ArticleDOI
State-of-the-art on research and applications of machine learning in the building life cycle
TL;DR: This study systematically surveyed how machine learning has been applied at different stages of building life cycle and can inform future machine learning research to improve occupant comfort, energy efficiency, demand flexibility, and resilience of buildings.
Journal ArticleDOI
Classification of sensor independent point cloud data of building objects using random forests
TL;DR: A generic approach to automatically identify structural elements for the purposes of Scan-to-BIM by taking a set of planar primitives that are pre-segmented from the point cloud.
Journal ArticleDOI
Automated digital modeling of existing buildings: A review of visual object recognition methods
TL;DR: A summary of the efforts of the past ten years in automating the digital modeling of existing buildings by applying reality capture devices and computer vision algorithms, with a particular focus on object recognition methods.
Journal ArticleDOI
Automatic Recognition of Common Structural Elements from Point Clouds for Automated Progress Monitoring and Dimensional Quality Control in Reinforced Concrete Construction
TL;DR: This manuscript provides a robust framework for the extraction of common structural components, such as columns, from terrestrial laser scanning point clouds acquired at regular rectangular concrete construction projects through geometric primitive as well as relationship-based reasoning.
Journal ArticleDOI
Digitalising asset management: concomitant benefits and persistent challenges
TL;DR: The work presents a comprehensive review of digital technologies utilised within the AECO sector and provides utility to researchers, policy makers and practitioners to enhance their knowledge capabilities.
References
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Journal ArticleDOI
Color and texture descriptors
TL;DR: An overview of color and texture descriptors that have been approved for the Final Committee Draft of the MPEG-7 standard is presented, explained in detail by their semantics, extraction and usage.
Journal ArticleDOI
Building Information Modeling (BIM) for existing buildings — Literature review and future needs
TL;DR: Results show scarce BIM implementation in existing buildings yet, due to challenges of (1) high modeling/conversion effort from captured building data into semantic BIM objects, (2) updating of information in BIM and (3) handling of uncertain data, objects and relations in B IM occurring inexisting buildings.
Proceedings ArticleDOI
Towards Linear-Time Incremental Structure from Motion
TL;DR: Through algorithm analysis and extensive experiments, it is shown that incremental SfM requires only O(n) time on many major steps including BA, and offers state of the art performance for large-scale reconstructions.
Journal ArticleDOI
WLD: A Robust Local Image Descriptor
TL;DR: Experimental results on the Brodatz and KTH-TIPS2-a texture databases show that WLD impressively outperforms the other widely used descriptors (e.g., Gabor and SIFT), and experimental results on human face detection also show a promising performance comparable to the best known results onThe MIT+CMU frontal face test set, the AR face data set, and the CMU profile test set.
Proceedings ArticleDOI
Towards Internet-scale multi-view stereo
TL;DR: An approach for enabling existing multi-view stereo methods to operate on extremely large unstructured photo collections to decompose the collection into a set of overlapping sets of photos that can be processed in parallel, and to merge the resulting reconstructions.