CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Digital simulation for coherent X-ray diffractive imaging
Zhou Guang-Zhao(周光照); Tong Ya-Jun(佟亚军); Chen Can(陈灿); Ren Yu-Qi(任玉琦); Wang Yu-Dan(王玉丹); Xiao Ti-Qiao(肖体乔)
2011
Source PublicationACTA PHYSICA SINICA
ISSN1000-3290
Volume60Issue:2
AbstractPhase retrieval is one of the most important steps for coherent X-ray diffractive imaging (CXDI), Which uses the oversampled far-field diffraction pattern for phase retrieval iterative algorithm in order to achieve the lost phase information. Here we used a small nonperiodic 2D digital image as the object for studying the effect of the oversampling ratio and obtained the optimum oversampling ratio of 3-7 when the iteration times was 1000. We also added random noise to the diffraction pattern to examine the applicability of this approach to real data. We found the reconstruction failed when the signal to noise ratio is less than 10. As the reconstruction process may fail when the twin image or stochastic shift appears in the reconstructed image simultaneously, we explained why these phenomena come into being, and found methods to overcome the difficulty effectively.
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000287947000116
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/12854
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Zhou Guang-Zhao,Tong Ya-Jun,Chen Can,et al. Digital simulation for coherent X-ray diffractive imaging[J]. ACTA PHYSICA SINICA,2011,60(2).
APA Zhou Guang-Zhao,Tong Ya-Jun,Chen Can,Ren Yu-Qi,Wang Yu-Dan,&Xiao Ti-Qiao.(2011).Digital simulation for coherent X-ray diffractive imaging.ACTA PHYSICA SINICA,60(2).
MLA Zhou Guang-Zhao,et al."Digital simulation for coherent X-ray diffractive imaging".ACTA PHYSICA SINICA 60.2(2011).
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