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

被引:26
|
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
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
收藏
页码:4538 / 4541
页数:4
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