Single-shot imaging through scattering media under strong ambient light interference

被引：27

作者：

Li, Wei ^{[1
]}

Xi, Teli ^{[1
]}

He, Shunfu ^{[1
]}

Liu, Lixian ^{[1
]}

Liu, Jinpeng ^{[1
]}

Liu, Fei ^{[1
]}

Wang, Bingjian ^{[1
]}

Wei, Shijie ^{[1
]}

Liang, Wenhai ^{[1
]}

Fan, Zengzeng ^{[1
]}

Sun, Yangfan ^{[1
]}

Wang, Yuzhi ^{[1
]}

Shao, Xiaopeng ^{[1
]}

机构：

[1] Xidian Univ, Sch Phys & Optoelect Engn, Xian 710071, Peoples R China

来源：

OPTICS LETTERS | 2021年 / 46卷 / 18期

基金：

中国国家自然科学基金;

关键词：

TRUNCATED NUCLEAR NORM; SPECKLE CORRELATION; RECONSTRUCTION; LAYERS;

D O I：

10.1364/OL.438017

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Speckle correlation imaging (SCI) has found tremendous versatility compared with other scattering imaging approaches due to its single-shot data acquisition strategy, relatively simple optical setup, and high-fidelity reconstruction performance. However, this simplicity requires SCI experiments to be performed strictly in a darkroom condition. As background noise increases, the speckle contrast rapidly decreases, making precise interpretation of the data extremely difficult. Here, we demonstrate a method by refining the speckle in the autocorrelation domain to achieve high-performance single-shot imaging. Experiment results prove that our method is adapted to estimate objects in a low signal-to-background ratio (SBR) circumstance even if the SBR is about 23 dB. Laboratory and outdoor SCI experiments are performed. (C) 2021 Optical Society of America

引用

页码：4538 / 4541

页数：4

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