1 July 1990 Study of automatic surface inspection for cold rolled steel strip
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Proceedings Volume 1230, International Conference on Optoelectronic Science and Engineering '90; 12302P (1990) https://doi.org/10.1117/12.2294734
Event: The Marketplace for Industrial Lasers 1990, 1990, Chicago, IL, United States
Abstract
The paper describes a feasibility study of on-line inspection of visible defects in the surface of cold rolled steel strip by a experimental inspection system. The system incorporates CCD linear image sensor and illumination placed in specular reflection direction . To cope with the wide variety of different defect mixed with lot of noise and continuous changing of environment, the paper propose a segmentation algorithm using a special two dimensional filter and adaptive threshold varying with environment to get a quite accurate defect binary image. Defect deleanation and classification algorithm analyses defects, removes noise and extracts features of defects, then classify them by statistics decision tree.
© (1990) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Zelin Xu, Zelin Xu, } "Study of automatic surface inspection for cold rolled steel strip", Proc. SPIE 1230, International Conference on Optoelectronic Science and Engineering '90, 12302P (1 July 1990); doi: 10.1117/12.2294734; https://doi.org/10.1117/12.2294734
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