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Received: Sep. 30, 2019
Accepted: Jan. 3, 2020
Posted: Apr. 7, 2020
Published Online: Apr. 10, 2020
The Author Email: Honglin Liu (hlliu4@hotmail.com)
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Xin Wang, Honglin Liu, Meijun Chen, Zhentao Liu, Shensheng Han. Imaging through dynamic scattering media with stitched speckle patterns[J]. Chinese Optics Letters, 2020, 18(4): 042604
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Physical optics
Chinese Optics Letters, Vol. 18, Issue 4, 042604 (2020)
Imaging through dynamic scattering media with stitched speckle patterns 
Xin Wang1,2, Honglin Liu1,*, Meijun Chen1,2, Zhentao Liu1, and Shensheng Han1
Author Affiliations
- 1Key Laboratory of Quantum Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
- 2Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
Abstract
Imaging through scattering media via speckle autocorrelation is a popular method based on the optical memory effect. However, it fails if the amount of valid information acquired is insufficient due to a limited sensor size. In this Letter, we reveal a relationship between the detector and object sizes for the minimum requirement to ensure image reconstruction by defining a sampling ratio R, and propose a method to enhance the image quality at a small R by capturing multiple frames of speckle patterns and piecing them together. This method will be helpful in expanding applications of speckle autocorrelation to remote sensing, underwater probing, and so on.
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