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Cited 25 time in webofscience Cited 34 time in scopus
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Development of an inspection system for planar steel surface using multispectral photometric stereo SCIE SCOPUS

Title
Development of an inspection system for planar steel surface using multispectral photometric stereo
Authors
Kang, DJang, YJWon, S
Date Issued
2013-03
Publisher
SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
Abstract
We address the methodology and hardware design for detecting defects on a steel surface. The goal of this work is to develop a surface inspection system for defects with three-dimensional (3-D) characteristics on planar steel surface using multispectral photometric stereo technique. First, the reflections of multispectral illuminations from a steel surface are captured by a multi-channel camera system. Then, a 3-D reconstructed surface profile is extracted from estimated gradient fields. The developed system is applied to real steel specimens and the experimental results show that it can reliably detect tiny defects on the surface. (C) 2013 Society of Photo-Optical Instrumentation Engineers (SPIE) [DOI: 10.1117/1.OE.52.3.039701]
URI
https://oasis.postech.ac.kr/handle/2014.oak/11872
DOI
10.1117/1.OE.52.3.039701
ISSN
0091-3286
Article Type
Article
Citation
OPTICAL ENGINEERING, vol. 52, no. 3, 2013-03
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