Cited by 75Industrial Vision Systems and Defect DetectionImage Retrieval and Classification TechniquesNon-Destructive Testing Techniques

Surface Defect Classification for Hot-Rolled Steel Strips by Selectively Dominant Local Binary Patterns

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Luo, Qiwu, Fang, Xiaoxin, Sun, Yichuang, Liu, Li, Ai, Jiaqiu, Yang, Chunhua, Simpson, Oluyomi·2019·IEEE Access

Abstract

Developments in defect descriptors and computer vision-based algorithms for automatic optical inspection (AOI) allows for further development in image-based measurements. Defect classification is a vital part of an optical-imaging-based surface quality measuring instrument. The high-speed production rhythm of hot continuous rolling requires an ultra-rapid response to every component as well as algorithms in AOI instrument. In this paper, a simple, fast, yet robust texture descriptor, namely selectively dominant local binary patterns (SDLBPs), is proposed for defect classification. First, an intelligent searching algorithm with a quantitative thresholding mechanism is built to excavate the dominant non-uniform patterns (DNUPs). Second, two convertible schemes of pattern code mapping are developed for binary encoding of all uniform patterns and DNUPs. Third, feature extraction is carried out under SDLBP framework. Finally, an adaptive region weighting method is built for further strengthening the original nearest neighbor classifier in the feature matching stage. The extensive experiments carried out on an open texture database (Outex) and an actual surface defect database (Dragon) indicates that our proposed SDLBP yields promising performance on both classification accuracy and time efficiency.

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  • Existing hot rolled strip surface inspection systems are less accurate in classifying defects.

    “Existing hot rolled strip lines are usually equipped with surface defect detection systems that can detect defects on the strip surface [6]; however, unfortunately, the system is less accurate in classifying defects.”

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Authors
Luo, Q., Fang, X., Sun, Y., Liu, L., Ai, J., Yang, C., & Simpson, O.
Affiliations
  • Central South University (CN)
  • Hefei University of Technology (CN)
  • University of Hertfordshire (GB)
  • University of Oulu (FI)
Venue
IEEE Access
Published
2019
Volume
7
Pages
23488-23499
ISSN
2169-3536 (ISSN-L)
OpenAlex
W2913953110
Cited by
75
References
37
Citations by year
2026: 3 · 2025: 10 · 2024: 12 · 2023: 17 · 2022: 11 · 2021: 11 · 2020: 9 · 2019: 2
FWCI
6.09
Type
journal article
Language
en
Open access
Locations
  • IEEE Access (publishedVersion)
  • University of Hertfordshire Research Archive (University of Hertfordshire) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • National Natural Science Foundation of China (51704089, 61701157)
  • Natural Science Foundation of Anhui Province (1808085QF190, 1808085QF206)
  • China Postdoctoral Science Foundation (2017M621996)
  • Fundamental Research Funds for the Central Universities of China (JZ2018YYPY0296)
Topics
  • Physical Sciences › Engineering › Industrial and Manufacturing Engineering › Industrial Vision Systems and Defect Detection
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Image Retrieval and Classification Techniques
  • Physical Sciences › Engineering › Mechanical Engineering › Non-Destructive Testing Techniques
Keywords
surface defect classification, hot-rolled strip, local binary pattern, texture features, automated optical inspection, nearest neighbor classification, feature extraction

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