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Denoising method of X-ray phase contrast DR image for TRISO-coated fuel particles
Yang, Min1; Zhang, Jianhai2; Meng, Fanyong3; Song, Sung-Jin2; Li, Xingdong4; Liu, Wenli4; Wei, Dongbo1
Source PublicationPARTICUOLOGY
AbstractTRISO (tristructural-isotropic) fuel is a type of micro fuel particles used in high-temperature gas-cooled reactors (HTGRs). Among the quality evaluation methods for such particles, in-line phase contrast imaging technique (PCI) is more feasible for nondestructive measurement. Due to imaging hardware limitations, high noise level is a distinct feature of PCI images, and as a result, the dimensional measurement accuracy of TRISO-coated fuel particles decreases. Therefore, we propose an improved denoising hybrid model named as NL P-M model which introduces non-local theory and retains the merits of the Perona-Malik (P-M) model. The improved model is applied to numerical simulation and practical PCI images. Quantitative analysis proves that this new anisotropic diffusion model can preserve edge or texture information effectively, while ruling out noise and distinctly decreasing staircasing artifacts. Especially during the process of coating layer thickness measurement, the NL P-M model makes it easy to obtain continuous contours without noisy points or fake contour segments, thus enhancing the measurement accuracy. To address calculation complexity, a graphic processing unit (CPU) is adopted to realize the acceleration of the NL P-M denoising. (C) 2013 Chinese Society of Particuology and Institute of Process Engineering, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
KeywordTriso-coated Fuel Particle X-ray Phase Contrast Imaging Image Denoising Partial Differential Equation Non-local Means
WOS HeadingsScience & Technology ; Technology
Indexed BySCI
WOS Research AreaEngineering ; Materials Science
WOS SubjectEngineering, Chemical ; Materials Science, Multidisciplinary
WOS IDWOS:000329682800010
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Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Beijing Univ Aeronaut & Astronaut, Sch Mech Engn & Automat, Beijing 100191, Peoples R China
2.Sungkyunkwan Univ, Sch Mech Engn, Suwon 440746, South Korea
3.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
4.Natl Inst Metrol, Beijing 100013, Peoples R China
Recommended Citation
GB/T 7714
Yang, Min,Zhang, Jianhai,Meng, Fanyong,et al. Denoising method of X-ray phase contrast DR image for TRISO-coated fuel particles[J]. PARTICUOLOGY,2013,11(6):695-702.
APA Yang, Min.,Zhang, Jianhai.,Meng, Fanyong.,Song, Sung-Jin.,Li, Xingdong.,...&Wei, Dongbo.(2013).Denoising method of X-ray phase contrast DR image for TRISO-coated fuel particles.PARTICUOLOGY,11(6),695-702.
MLA Yang, Min,et al."Denoising method of X-ray phase contrast DR image for TRISO-coated fuel particles".PARTICUOLOGY 11.6(2013):695-702.
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