Journal
ADVANCED ENGINEERING INFORMATICS
Volume 59, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.aei.2023.102268
Keywords
Image-based 3D Reconstruction; Structure from Motion; Multi-View Stereo; Deep Learning; Point Clouds; Civil Engineering
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Image-based 3D reconstruction plays a crucial role in civil engineering by bridging the gap between physical objects and as-built models. This study provides a comprehensive summary of the field over the past decade, highlighting its interdisciplinary nature and integration of various technologies such as photogrammetry, 3D point cloud analysis, semantic segmentation, and deep learning. The proposed 3D reconstruction knowledge framework outlines the essential elements, use phases, and reconstruction scales, and identifies eight future research directions. This review is valuable for scholars interested in the current state and future trends of image-based 3D reconstruction in civil engineering, particularly in relation to deep learning methods.
As a bridge between physical objects and as-built models, image-based 3D reconstruction performs a vital role by generating point cloud models, mesh models, textured models, and eventually BIMs from images. This study provides a quantitative and qualitative summary of image-based 3D reconstruction for civil engineering projects in the last decade. A bibliometric analysis of 286 journal papers suggested that 3D reconstruction is an interdisciplinary field that integrates photogrammetry, 3D point cloud analysis, semantic segmentation, and deep learning. Based on the analysis, we proposed a 3D reconstruction knowledge framework with three dimensions - essential elements, use phases, and reconstruction scales. The essential elements dimension is a technical framework of visual geometry and deep learning methods for 3D model generation. The use phases emphasize using 3D reconstruction techniques during the construction, operation, and maintenance phases, which are driven by the demands of visual inspection in various contexts. The reconstruction scales dimension synthesizes 3D reconstruction applications from the component level to the city scale with highlights of their opportunities and challenges. This 3D reconstruction knowledge framework sheds light on eight future research directions: automated modeling, model fusion, performance optimization, data fusion, enhanced virtual experience, real-time modeling, standardized reference, and in-depth deep learning research. This review can help scholars understand the present status and highlight research trends of image-based 3D reconstruction in civil engineering associated with the integration of deep learning methods.
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