Subpixel reconstruction for single-shot phase imaging with coded diffraction

被引：10
|
作者：
Horisaki, Ryoichi [1 ]
Kojima, Taichi [1 ]
Matsushima, Kyoji [2 ]
Tanida, Jun [1 ]
机构：
[1] Osaka Univ, Grad Sch Informat Sci & Technol, Dept Informat & Phys Sci, 1-5 Yamadaoka, Suita, Osaka 5650871, Japan
[2] Kansai Univ, Dept Elect & Elect Engn, 3-3-35 Yamate Cho, Suita, Osaka 5648680, Japan
来源：
APPLIED OPTICS | 2017年 / 56卷 / 27期
基金：
日本学术振兴会;
关键词：
FOURIER PTYCHOGRAPHIC MICROSCOPY; APERTURE; ALGORITHMS; HOLOGRAPHY; PRINCIPLES; SPACE; FIELD;
D O I：
10.1364/AO.56.007642
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present an algorithm for reconstructing an object complex field with resolution below that of an image sensor (subpixel resolution) in single-shot diffractive imaging with coded diffraction. The algorithm employs subpixel phase retrieval and sparse regularization based on compressive sensing. This is useful for high-speed or high-sensitivity imaging using an image sensor with a low pixel count and/or a large pixel size. We experimentally demonstrated the proposed method with two types of moving objects. (C) 2017 Optical Society of America
引用
收藏
页码：7642 / 7647
页数：6
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