ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
Regular Article
Detection of Pinholes in Steel Slabs Using Gabor Filter Combination and Morphological Features
Doo-chul ChoiYong-Ju JeonSeung Hun KimSeokbae MoonJong Pil YunSang Woo Kim
Author information
JOURNALS OPEN ACCESS FULL-TEXT HTML

2017 Volume 57 Issue 6 Pages 1045-1053

Details
Abstract

In this paper, an algorithm for detecting pinholes was proposed. Pinholes are very tiny holes generated in the surfaces of scarfed slabs. To detect various sizes of pinholes, the Gabor filter combination was applied. A new image segmentation method was proposed in pre-processing. To reduce the number of pseudo-defects, dual thresholding method was used. We have increased the performance of classification by adding new morphological features to general texture based features. To evaluate the performance of proposed algorithm, an images obtained in real production line were used.

Information related to the author
© 2017 by The Iron and Steel Institute of Japan
Previous article Next article
feedback
Top