Complex-amplitude-based phase unwrapping method for digital holographic microscopy

被引：9
|
作者：
Liu, Shuo [1 ]
Xiao, Wen [1 ]
Pan, Feng [1 ]
Wang, Fanjing [1 ]
Cong, Lin [1 ]
机构：
[1] Beihang Univ, Sch Instrument Sci & Optoelect Engn, Beijing 100191, Peoples R China
来源：
OPTICS AND LASERS IN ENGINEERING | 2012年 / 50卷 / 03期
基金：
美国国家科学基金会;
关键词：
Phase unwrapping; Digital holographic microscopy; Quality map; CELLS;
D O I：
10.1016/j.optlaseng.2011.11.006
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A complex-amplitude-based phase unwrapping approach for digital holographic microscopy is proposed in this paper. A quality map is derived directly from the reconstructed complex amplitude distribution of object wave to evaluate noise influence and phase reliability in the wrapped phase image. Quality-guided phase unwrapping algorithm is then implemented with the quality map to retrieve continuous phase profile. Unwrapping errors caused by unreliable phase data are successfully suppressed. The effectiveness of this method is demonstrated with simulation and experimental results. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：322 / 327
页数：6
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