Identification of multiple cracks from eddy current testing signal by image processing using a template matching method

Yoshiaki Nagaya; Toshiyuki Takagi; Haoyu Huang; Tetsuya Uchimoto

doi:10.1299/kikaia.69.1236

Identification of multiple cracks from eddy current testing signal by image processing using a template matching method

Yoshiaki Nagaya, Toshiyuki Takagi, Haoyu Huang, Tetsuya Uchimoto

Center for Fundamental Research on Nuclear Decommissioning (CFReND)

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

This paper describes a novel method identifying the number and positions of cracks. Using the ECT signal obtained by two-dimensional scanning as a picture image, a template matching method with help of genetic algorithms is applied to predict the number and positions of cracks. The present method employs a superposition of crack signals and a nonlinear scaling technique of a signal profile on crack length which are verified by numerical simulation. The number and positions of cracks are predicted sufficiently.

Original language	English
Pages (from-to)	1236-1243
Number of pages	8
Journal	Nippon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
Volume	69
Issue number	8
DOIs	https://doi.org/10.1299/kikaia.69.1236
Publication status	Published - 2003 Aug

Keywords

Eddy current testing
Genetic algorithm
Inverse problem
Multiple cracks
Nondestructive inspection
Numerical analysis
Pattern recognition
Steam generator tubes
Template matching

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

Access to Document

10.1299/kikaia.69.1236

Cite this

Identification of multiple cracks from eddy current testing signal by image processing using a template matching method. / Nagaya, Yoshiaki; Takagi, Toshiyuki; Huang, Haoyu; Uchimoto, Tetsuya.

In: Nippon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A, Vol. 69, No. 8, 08.2003, p. 1236-1243.

Research output: Contribution to journal › Article › peer-review

@article{3d97afe9e52644b69b85d6f05763f060,

title = "Identification of multiple cracks from eddy current testing signal by image processing using a template matching method",

abstract = "This paper describes a novel method identifying the number and positions of cracks. Using the ECT signal obtained by two-dimensional scanning as a picture image, a template matching method with help of genetic algorithms is applied to predict the number and positions of cracks. The present method employs a superposition of crack signals and a nonlinear scaling technique of a signal profile on crack length which are verified by numerical simulation. The number and positions of cracks are predicted sufficiently.",

keywords = "Eddy current testing, Genetic algorithm, Inverse problem, Multiple cracks, Nondestructive inspection, Numerical analysis, Pattern recognition, Steam generator tubes, Template matching",

author = "Yoshiaki Nagaya and Toshiyuki Takagi and Haoyu Huang and Tetsuya Uchimoto",

year = "2003",

month = aug,

doi = "10.1299/kikaia.69.1236",

language = "English",

volume = "69",

pages = "1236--1243",

journal = "Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A",

issn = "0387-5008",

publisher = "Japan Society of Mechanical Engineers",

number = "8",

}

TY - JOUR

T1 - Identification of multiple cracks from eddy current testing signal by image processing using a template matching method

AU - Nagaya, Yoshiaki

AU - Takagi, Toshiyuki

AU - Huang, Haoyu

AU - Uchimoto, Tetsuya

PY - 2003/8

Y1 - 2003/8

N2 - This paper describes a novel method identifying the number and positions of cracks. Using the ECT signal obtained by two-dimensional scanning as a picture image, a template matching method with help of genetic algorithms is applied to predict the number and positions of cracks. The present method employs a superposition of crack signals and a nonlinear scaling technique of a signal profile on crack length which are verified by numerical simulation. The number and positions of cracks are predicted sufficiently.

AB - This paper describes a novel method identifying the number and positions of cracks. Using the ECT signal obtained by two-dimensional scanning as a picture image, a template matching method with help of genetic algorithms is applied to predict the number and positions of cracks. The present method employs a superposition of crack signals and a nonlinear scaling technique of a signal profile on crack length which are verified by numerical simulation. The number and positions of cracks are predicted sufficiently.

KW - Eddy current testing

KW - Genetic algorithm

KW - Inverse problem

KW - Multiple cracks

KW - Nondestructive inspection

KW - Numerical analysis

KW - Pattern recognition

KW - Steam generator tubes

KW - Template matching

UR - http://www.scopus.com/inward/record.url?scp=0242336707&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0242336707&partnerID=8YFLogxK

U2 - 10.1299/kikaia.69.1236

DO - 10.1299/kikaia.69.1236

M3 - Article

AN - SCOPUS:0242336707

VL - 69

SP - 1236

EP - 1243

JO - Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A

JF - Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A

SN - 0387-5008

IS - 8

ER -

Identification of multiple cracks from eddy current testing signal by image processing using a template matching method

Abstract

Keywords

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this