Underwater reflective single-pixel imaging based on parallel networks through strong scattering media under low sampling rates

IF 2.2 3区 物理与天体物理 Q2 OPTICS
Wei Feng, Yongcong Yi, Yi Wang, Zhen Zeng, Boya Xie
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引用次数: 0

Abstract

Single-pixel imaging (SPI) boasts higher detection sensitivity and a broader detection bandwidth, and it exhibits significant advantages in extremely low-light conditions and underwater imaging involving scattering media. However, with the increase in the intensity of scattering media in underwater environments, the image reconstruction quality of SPI severely deteriorates. In this paper, an underwater reflective SPI system based on parallel networks is designed and built to achieve high-quality imaging in turbid waters at low sampling rates. The proposed network consists of an upper branch and a lower branch, and the upper branch consists of a multi-scale initial feature extraction network and a multi-scale feature transformation network to enhance the network's ability to learn high-frequency information, and the lower branch is mainly responsible for generating images. Additionally, a multi-scale structural similarity index measure and normalized mean square error are also designed as loss functions to better learn images features with varying sizes. Simulations and experiments demonstrate that the network is capable of reconstructing underwater objects at a 3.125% sampling rate and 90 NTU turbidity, and it indicates that the network has strong generalization abilities.
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来源期刊
Optics Communications
Optics Communications 物理-光学
CiteScore
5.10
自引率
8.30%
发文量
681
审稿时长
38 days
期刊介绍: Optics Communications invites original and timely contributions containing new results in various fields of optics and photonics. The journal considers theoretical and experimental research in areas ranging from the fundamental properties of light to technological applications. Topics covered include classical and quantum optics, optical physics and light-matter interactions, lasers, imaging, guided-wave optics and optical information processing. Manuscripts should offer clear evidence of novelty and significance. Papers concentrating on mathematical and computational issues, with limited connection to optics, are not suitable for publication in the Journal. Similarly, small technical advances, or papers concerned only with engineering applications or issues of materials science fall outside the journal scope.
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