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Transport of intensity phase imaging from multiple noisy intensities measured in unequally-spaced planes
Zheng, Shiling1; Xue, Bindang1; Xue, Wenfang2; Bai, Xiangzhi1; Zhou, Fugen1
Source PublicationOPTICS EXPRESS
2012-01-16
Volume20Issue:2Pages:972-985
SubtypeArticle
AbstractThe noise problem is generally inevitable for phase retrieval by solving the transport of intensity equation (TIE). The noise effect can be alleviated by using multiple intensities to estimate the axial intensity derivative in the TIE. In this study, a method is proposed for estimating the intensity derivative by using multiple unevenly-spaced noisy measurements. The noise-minimized intensity derivative is approximated by a linear combination of the intensity data, in which the coefficients are obtained by solving a constrained optimization problem. The performance of the method is investigated by both the error analysis and the numerical simulations, and the results show that the method can reduce the noise effect on the retrieved phase. In addition, guidelines for the choice of the number of the intensity planes are given. (C)2012 Optical Society of America
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordRETRIEVAL ; EQUATION ; IMAGES ; RECONSTRUCTION ; MICROSCOPY
Indexed BySCI
Language英语
WOS Research AreaOptics
WOS SubjectOptics
WOS IDWOS:000300057700031
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/10746
Collection综合信息系统研究中心
Affiliation1.Beihang Univ, Sch Astronaut, Beijing 100191, Peoples R China
2.Chinese Acad Sci, Inst Automat, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zheng, Shiling,Xue, Bindang,Xue, Wenfang,et al. Transport of intensity phase imaging from multiple noisy intensities measured in unequally-spaced planes[J]. OPTICS EXPRESS,2012,20(2):972-985.
APA Zheng, Shiling,Xue, Bindang,Xue, Wenfang,Bai, Xiangzhi,&Zhou, Fugen.(2012).Transport of intensity phase imaging from multiple noisy intensities measured in unequally-spaced planes.OPTICS EXPRESS,20(2),972-985.
MLA Zheng, Shiling,et al."Transport of intensity phase imaging from multiple noisy intensities measured in unequally-spaced planes".OPTICS EXPRESS 20.2(2012):972-985.
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