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
- 저널정보
- 대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.11 No.4
- 발행연도
- 2016.7
- 수록면
- 1,035 - 1,041 (7page)
이용수
초록· 키워드
오류제보하기
Internal cracks in products are invisible and can lead to fatal crashes or damage. Since Xrays can penetrate materials and be attenuated according to the material’s thickness and density, they have rapidly become the accepted technology for non-destructive inspection of internal cracks. This paper presents a robust crack filter based on local gray level variation and multiscale analysis for automatic detection of cracks in X-ray images. The proposed filter takes advantage of the image gray level and its local variations to detect cracks in the X-ray image. To overcome the problems of image noise and the non-uniform intensity of the X-ray image, a new method of estimating the local gray level variation is proposed in this paper. In order to detect various sizes of crack, this paper proposes using different neighboring distances to construct an image pyramid for multiscale analysis. By use of local gray level variation and multiscale analysis, the proposed crack filter is able to detect cracks of various sizes in X-ray images while contending with the problems of noise and non-uniform intensity. Experimental results show that the proposed crack filter outperforms the Gaussian model based crack filter and the LBP model based method in terms of detection accuracy, false detection ratio and processing speed.
목차
Abstract
1. Introduction
2. A typical 2D X-ray System
3. The Proposed Filter
4. Experimental Results
5. Conclusion
References
참고문헌 (13)
참고문헌 신청
[학술대회논문] - J. Xu / 2010 / Automatic X-ray Crack Inspection for Aircraft Wing Fastener Holes / 2nd International Symposium on NDT in Aerospace 2010 : 1 ~ 8
[학술대회논문] - J. Schors / 2006 / Non-Destructive Micro Crack Detection in Modern Materials / 9th ECNDT
[학술대회논문] - Z. H. Shao / 2010 / Automatic Segmentation of Cracks in X-ray Image Based on OTSU and Fuzzy Sets / 3rd International Congress on Image and Signal Processing : 1824 ~ 1827
[학술대회논문] - W. Chen / 2011 / Automated Inspection using X-ray Imaging / IEEE International Conference on Trust, Security and Privacy in Computing and Communications : 1769 ~ 1772
[학술지(정기간행물)] - S. H. Peng / 2012 / Metal Crack Detection in X-ray Images Based on Local Brightness Variation and Multi-scale Analysis / Information Journal 15 (5) : 1961 ~ 1972
[학술대회논문] - J. Schors / 2006 / Non-Destructive Micro Crack Detection in Modern Materials / 9th ECNDT
[학술대회논문] - Z. H. Shao / 2010 / Automatic Segmentation of Cracks in X-ray Image Based on OTSU and Fuzzy Sets / 3rd International Congress on Image and Signal Processing : 1824 ~ 1827
[학술대회논문] - W. Chen / 2011 / Automated Inspection using X-ray Imaging / IEEE International Conference on Trust, Security and Privacy in Computing and Communications : 1769 ~ 1772
[학술지(정기간행물)] - S. H. Peng / 2012 / Metal Crack Detection in X-ray Images Based on Local Brightness Variation and Multi-scale Analysis / Information Journal 15 (5) : 1961 ~ 1972
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UCI(KEPA) : I410-ECN-0101-2017-560-000654739