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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
2012-01-16
发表期刊OPTICS EXPRESS
卷号20期号:2页码:972-985
文章类型Article
摘要The 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标题词Science & Technology ; Physical Sciences
关键词[WOS]RETRIEVAL ; EQUATION ; IMAGES ; RECONSTRUCTION ; MICROSCOPY
收录类别SCI
语种英语
WOS研究方向Optics
WOS类目Optics
WOS记录号WOS:000300057700031
引用统计
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/10746
专题综合信息系统研究中心
作者单位1.Beihang Univ, Sch Astronaut, Beijing 100191, Peoples R China
2.Chinese Acad Sci, Inst Automat, Beijing 100190, Peoples R China
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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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