Imperial College London
Alternate

DrTae-KyunKim

Faculty of Engineering, Department of Electrical and Electronic Engineering

Visiting Reader
 
 
 
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Contact

 

+44 (0)20 7594 6317tk.kim Website

 
 
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Location

 

1017Electrical EngineeringSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Chaiyasarn:2015:10.1061/(ASCE)CP.1943-5487.0000516,
author = {Chaiyasarn, K and Kim, T-K and Viola, F and Cipolla, R and Soga, K},
doi = {10.1061/(ASCE)CP.1943-5487.0000516},
journal = {Journal of Computing in Civil Engineering},
title = {Distortion-Free Image Mosaicing for Tunnel Inspection Based on Robust Cylindrical Surface Estimation through Structure from Motion},
url = {http://dx.doi.org/10.1061/(ASCE)CP.1943-5487.0000516},
volume = {30},
year = {2015}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - Visual inspection, although labor-intensive, costly, and inaccurate, is a common practice used in the condition assessment of underground tunnels to ensure safety and serviceability. This paper presents a system that- can construct a mosaic image of a tunnel surface with little distortion, allowing a large area of tunnels to be visualized, and enabling tunnel inspection to be carried out off-line. The system removes distortion by a robust estimation of a tunnel surface through structure from motion (SFM), which can create a 3D point cloud of the tunnel surface from uncalibrated images. SFM enables the mosaicing system to cope with images with a general camera motion, in contrast to standard mosaicing software that can cope only with a strict camera motion. The estimation of the tunnel surface is further improved by support vector machine (SVM), which is used to remove noise in the point cloud. Some curvatures are observed in the mosaics when an inaccurate surface is used for mosaicing, whereas the mosaics from a surface estimated using the proposed method are almost distortion-free, preserving all physical attributes, e.g., line parallelism and straightness, which is important for tunnel inspection.
AU  - Chaiyasarn,K
AU  - Kim,T-K
AU  - Viola,F
AU  - Cipolla,R
AU  - Soga,K
DO  - 10.1061/(ASCE)CP.1943-5487.0000516
PY  - 2015///
SN  - 1943-5487
TI  - Distortion-Free Image Mosaicing for Tunnel Inspection Based on Robust Cylindrical Surface Estimation through Structure from Motion
T2  - Journal of Computing in Civil Engineering
UR  - http://dx.doi.org/10.1061/(ASCE)CP.1943-5487.0000516
VL  - 30
ER  -
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