期刊
AUTOMATION IN CONSTRUCTION
卷 33, 期 -, 页码 48-60出版社
ELSEVIER
DOI: 10.1016/j.autcon.2012.09.017
关键词
Augmented reality; 3D reconstruction; Feature extraction; Corresponding feature; Structure from motion
Augmented Reality (AR) is an integrated technique of image processing and display system of complex information, which involves real-time computing, motion tracking, pattern recognition, image projection, database linking, feature extraction, and coordinate transformation. In this study, such techniques through Structure From Motion (SFM), Clustering Views for Multi-View Stereo (CMVS), Patch-based Multi-View Stereo (PMVS), and Poisson surface reconstruction were smoothly integrated into a 3D reconstruction system with comparative efficiency in computation. The system can be applied to regular images taken by amateur cameras, smart phones, tablet PCs, and other mobile devices, without need of a priori internal and external camera parameters. To verify the ability of the established reconstruction system, indoor and outdoor objects at various scales, such as a helmet (a small object), a corridor (an indoor medium object), an arbor (outdoor medium object), and a building (outdoor large object) were tested. Through tracking and registration, the reconstructed 3D models were loaded in an AR environment to facilitate displaying, interacting, and rendering that provides AR applications in construction design and management for better and qualitative communication in economical and handy ways. (C) 2012 Elsevier B.V. All rights reserved.
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