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Conference Oct 2026

A method for large-scale scene 3D reconstruction based on crowdsourced imagery

Aiming at the problem of high data demand for three-dimensional (3D) reconstruction based on a single data source, a large-scale scene 3D reconstruction method using crowdsourced images is proposed. Firstly, dense point clouds are extracted from satellite images and aerial images respectively. For satellite images, den...

Xiao-Wei Chen, Xin Zhou, Qiang Zhang et al. · 0 citations
Open access Sep 2026

Three-Dimensional Reconstruction and Texture Characterization of Asphalt Pavement Surfaces Using Binocular Stereo Vision

Accurate three-dimensional characterization of asphalt pavement texture requires both reliable surface reconstruction and quantitative interpretation of reconstructed geometry. This study evaluated a passive binocular stereo vision workflow integrating camera calibration, image preprocessing, AANet-based disparity esti...

Ligang Wang, Xing-Xing Zhou, Peng Guo et al. · 0 citations
Conference Sep 2026

Deep learning-based tunnel surface defects 3D reconstruction and spatial location mapping method

Spatial location information of tunnel surface defects is crucial for tunnel safety assessment. Existing methods mainly focus on 2D defect detection and lack efficient 3D spatial localization capability. To address the issue, a deep learning-based tunnel surface defect 3D reconstruction and spatial mapping method was p...

Zhengfang Wang, Sheng Gao, Zhi-Tong Huo et al. · 0 citations
Open access Aug 2026

Speckle-Assisted Binocular 3D Reconstruction of Asphalt Pavement with a Multi-Scale Adaptive Feature Fusion Algorithm

The proposed speckle-assisted binocular 3D reconstruction method based on a multi-scale adaptive feature fusion algorithm offers a reliable technical solution for efficient texture-depth analysis and practical pavement condition assessment.

Zhirong Li, Wen-Yan Jia, Fu-Zhong Bai et al. · 0 citations
Open access Aug 2026

Point-Cloud-Based 3D Inspection and Volume Quantification of Drainage-Pipeline Defects Using WCPC-GAN and Density-Adaptive Alpha Shapes

Closed-circuit television (CCTV)-based inspection provides limited depth information and cannot directly quantify the three-dimensional geometry of drainage-pipeline defects. Moreover, the scarcity of annotated point-cloud data and the topological artifacts produced by conventional surface-reconstruction methods hinder...

Shuwei Zhai, Mao-Lin Yao, Xing-Yi Wang et al. · 0 citations
Preprint Sep 2026

Integrated Laser Scanning and Image-Based Topology Optimization Techniques for Detection and Quantification of Visible and Subsurface Structural Defects

Reliable characterization of structural defects requires methods capable of resolving both directly observable surface damage and damage that is not visible from the inspected surface. This study presents two complementary non-contact, vision-based approaches for the detection and quantitative characterization of defec...

Mehrdad Shafiei Dizaji, D. Harris · 0 citations

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