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http://dx.doi.org/10.5573/ieie.2014.51.2.055

Implementation of Constructor-Oriented Visualization System for Occluded Construction via Mobile Augmented-Reality  

Kim, Tae-Ho (Graduate School of Advanced Imaging Science, Multimedia, and Film. Chung-Ang University)
Kim, Kyung-Ho (Graduate School of Advanced Imaging Science, Multimedia, and Film. Chung-Ang University)
Han, Yunsang (Graduate School of Advanced Imaging Science, Multimedia, and Film. Chung-Ang University)
Lee, Seok-Han (Graduate School of Advanced Imaging Science, Multimedia, and Film. Chung-Ang University)
Choi, Jong-Soo (Graduate School of Advanced Imaging Science, Multimedia, and Film. Chung-Ang University)
Publication Information
Journal of the Institute of Electronics and Information Engineers / v.51, no.2, 2014 , pp. 55-68 More about this Journal
Abstract
Some infrastructure these days is usually constructed under the ground for it to not interfere the foot-traffic of pedestrians, and thus, it is difficult to visually confirm the accurate location of the site where the establishments must be buried. These technical difficulties increase the magnitude of the problems that could arise from over-reliance on the experience of the worker or a mere blueprint. Such problems include exposure to flood and collapse. This paper proposes a constructor-oriented visualization system via mobile gadgets in general construction sites with occluded structures. This proposal is consisted with three stages. First, "Stage of detecting manhole and extracting features" detects and extracts the basis point of occluded structures which is unoccluded manhole. Next, "Stage of tracking features" tracks down the extracted features in the previous stage. Lastly, "Stage of visualizing occluded constructions" analyzes and synthesizes the GPS data and 3D objects obtained from mobile gadgets in the previous stages. This proposal implemented ideal method through parallel analysis of manhole detection, feature extraction, and tracking techniques in indoor environment, and confirmed the possibility through occluded water-pipe augmentation in real environment. Also, it offers a practical constructor-oriented environment derived from the augmented 3D results of occluded water-pipings.
Keywords
Augmented Reality; Manhole Detection; Constructor-Occluded Visualization system;
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