지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.9
- 수록면
- 423 - 428 (6page)
- DOI
- 10.4283/JMAG.2019.24.3.423
이용수
초록· 키워드
오류제보하기
The magnetic flux leakage (MFL) method is the most widely used and cost-effective inspection technique for oil pipeline. However, noise is inevitable in the process of data collection; thus, the image enhancement method can be more intuitive to identify the defects in an oil pipeline MFL inspection. In this paper, the bidimensional empirical mode decomposition (BEMD) method has been used to study oil pipeline MFL images. The MFL image is decomposed into a finite number of two-dimensional intrinsic mode functions (BIMF) and a residual component by the BEMD. The wavelet transform (WT) was used to remove the noise in the BIMF. The image was then reconstructed by retaining the basic information and removing the noise. The results show that the noise is effectively removed and the detail of the MFL image is well preserved. Thus, the BEMD with WT method for oil pipeline MFL image enhancement is better than the mean filtering method and the WT method.
목차
1. Introduction
2. The Bidimensional Empirical Mode Decomposition
3. MFL Image Enhancement using BEMD with WT
4. Results and Discussion
5. Conclusions
References
참고문헌 (18)
참고문헌 신청
W. Liang / 2009 / J. Inst 14:12001
L. Kang / 2017 / NDT&E Int 86:36
T. Azizzadeh / 2018 / Investigation of the Lift-off Effect on the Corrosion Detection Sensitivity of Three-axis MFL Technique / Journal of Magnetics 23(2):152~159
S. P. Song / 2018 / Chin. J. Mech. Eng 31:81
L. Chen / 2009 / Rev. Sci. Instrum 80:025105
L. Kang / 2017 / NDT&E Int 86:36
T. Azizzadeh / 2018 / Investigation of the Lift-off Effect on the Corrosion Detection Sensitivity of Three-axis MFL Technique / Journal of Magnetics 23(2):152~159
S. P. Song / 2018 / Chin. J. Mech. Eng 31:81
L. Chen / 2009 / Rev. Sci. Instrum 80:025105
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