Non-Contact Dimensional Quality Inspection System of Prefabricated Components Using 3D Matrix Camera

Dimensional quality inspection of prefabricated components is crucial for ensuring building quality and safety. Currently, manual measurement methods are predominantly used in dimensional quality inspection of prefabricated components, which are both time-consuming and labor-intensive, constraining...

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Main Authors: Wanqing Lyu, Xiwang Chen, Wenlong Han, Kun Ni, Rui Jing, Lin Tong, Junzheng Pan, Qian Wang
Format: Article
Language:English
Published: MDPI AG 2025-03-01
Series:Buildings
Subjects:
Online Access:https://www.mdpi.com/2075-5309/15/5/837
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author Wanqing Lyu
Xiwang Chen
Wenlong Han
Kun Ni
Rui Jing
Lin Tong
Junzheng Pan
Qian Wang
author_facet Wanqing Lyu
Xiwang Chen
Wenlong Han
Kun Ni
Rui Jing
Lin Tong
Junzheng Pan
Qian Wang
author_sort Wanqing Lyu
collection DOAJ
description Dimensional quality inspection of prefabricated components is crucial for ensuring building quality and safety. Currently, manual measurement methods are predominantly used in dimensional quality inspection of prefabricated components, which are both time-consuming and labor-intensive, constraining production efficiency. This study thus developed a non-contact image measurement system using an innovative three-dimensional (3D) matrix camera, which automatically performed dimensional quality inspection, utilizing technologies such as a parallel optical axis four-camera matrix imaging and machine learning algorithms. Compared to traditional techniques, this system exhibited enhanced adaptability to the manufacturing process of prefabricated components, along with desirable accuracy and efficiency. Building upon a comprehensive literature review, the hardware constituents of the 3D matrix camera image measurement system were meticulously introduced, followed by the underlying principles and implementations of data acquisition, processing and comparison methods, including parallel optical axis four-camera matrix imaging, automatic stitching algorithms for 3D point clouds, feature recognition algorithms, and matching principles. The feasibility of the proposed system was validated through a case study analysis. The application results indicated that the system was capable of automatically performing non-contact measurements of dimensional deviations in prefabricated components with an accuracy of ±3 mm, thereby enhancing production quality.
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series Buildings
spelling doaj-art-a639c37b03f34d40a585058409cd3b112025-08-20T02:53:02ZengMDPI AGBuildings2075-53092025-03-0115583710.3390/buildings15050837Non-Contact Dimensional Quality Inspection System of Prefabricated Components Using 3D Matrix CameraWanqing Lyu0Xiwang Chen1Wenlong Han2Kun Ni3Rui Jing4Lin Tong5Junzheng Pan6Qian Wang7China Institute of Building Standard Design & Research Co., Ltd., Beijing 100048, ChinaBCEG Advanced Construction Materials Co., Ltd., Beijing 102600, ChinaChina Institute of Building Standard Design & Research Co., Ltd., Beijing 100048, ChinaBCEG Advanced Construction Materials Co., Ltd., Beijing 102600, ChinaBCEG Advanced Construction Materials Co., Ltd., Beijing 102600, ChinaBCEG Advanced Construction Materials Co., Ltd., Beijing 102600, ChinaBCEG Advanced Construction Materials Co., Ltd., Beijing 102600, ChinaSchool of Civil Engineering, Southeast University, Nanjing 214135, ChinaDimensional quality inspection of prefabricated components is crucial for ensuring building quality and safety. Currently, manual measurement methods are predominantly used in dimensional quality inspection of prefabricated components, which are both time-consuming and labor-intensive, constraining production efficiency. This study thus developed a non-contact image measurement system using an innovative three-dimensional (3D) matrix camera, which automatically performed dimensional quality inspection, utilizing technologies such as a parallel optical axis four-camera matrix imaging and machine learning algorithms. Compared to traditional techniques, this system exhibited enhanced adaptability to the manufacturing process of prefabricated components, along with desirable accuracy and efficiency. Building upon a comprehensive literature review, the hardware constituents of the 3D matrix camera image measurement system were meticulously introduced, followed by the underlying principles and implementations of data acquisition, processing and comparison methods, including parallel optical axis four-camera matrix imaging, automatic stitching algorithms for 3D point clouds, feature recognition algorithms, and matching principles. The feasibility of the proposed system was validated through a case study analysis. The application results indicated that the system was capable of automatically performing non-contact measurements of dimensional deviations in prefabricated components with an accuracy of ±3 mm, thereby enhancing production quality.https://www.mdpi.com/2075-5309/15/5/837non-contact inspection systemdimensional quality inspection3D matrix cameraimage measurement systemprefabricated components
spellingShingle Wanqing Lyu
Xiwang Chen
Wenlong Han
Kun Ni
Rui Jing
Lin Tong
Junzheng Pan
Qian Wang
Non-Contact Dimensional Quality Inspection System of Prefabricated Components Using 3D Matrix Camera
Buildings
non-contact inspection system
dimensional quality inspection
3D matrix camera
image measurement system
prefabricated components
title Non-Contact Dimensional Quality Inspection System of Prefabricated Components Using 3D Matrix Camera
title_full Non-Contact Dimensional Quality Inspection System of Prefabricated Components Using 3D Matrix Camera
title_fullStr Non-Contact Dimensional Quality Inspection System of Prefabricated Components Using 3D Matrix Camera
title_full_unstemmed Non-Contact Dimensional Quality Inspection System of Prefabricated Components Using 3D Matrix Camera
title_short Non-Contact Dimensional Quality Inspection System of Prefabricated Components Using 3D Matrix Camera
title_sort non contact dimensional quality inspection system of prefabricated components using 3d matrix camera
topic non-contact inspection system
dimensional quality inspection
3D matrix camera
image measurement system
prefabricated components
url https://www.mdpi.com/2075-5309/15/5/837
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