Imaging in turbid water based on 3D Ghost Imaging

Kai Lin; Shiyu Zhang; Wen Ding; Jinjing Zhang; Jie Cao

doi:10.1117/12.2606026

24 November 2021 Imaging in turbid water based on 3D Ghost Imaging

Kai Lin, Shiyu Zhang, Wen Ding, Jinjing Zhang, Jie Cao

Author Affiliations +

Proceedings Volume 12065, AOPC 2021: Optical Sensing and Imaging Technology; 120651U (2021) https://doi.org/10.1117/12.2606026
Event: Applied Optics and Photonics China 2021, 2021, Beijing, China

Abstract

Obtaining a clear image of the underwater environment with classical imaging methods is still a challenging task due to the large amounts of noise caused by absorption and scattering nature of water and complex light interactions. By contrast, ghost imaging (GI) is a second-order correlation imaging technique, which has the disturbance-free ability in severe backscattering and high absorption conditions. In this paper, a physical model of three-dimensional ghost imaging (3DGI) through turbid water was set up based on laser detection and ranging (LADAR) and GI system, which considering the light-field transmission, the effects of absorption and scattering of water and the interaction between light field. Then the quality of 3DGI with different turbid water conditions and over different propagation distances was investigated by numerical calculation. The results show that the proposed 3DGI scheme is capable to reconstruct the object of long-distance in highly turbid underwater environments, and the reconstruction quality is closely related to the turbidity of the water and transmission distance. This work provides a reference to underwater 3DGI application, and maybe a better alternative strategy for underwater imaging.

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Kai Lin, Shiyu Zhang, Wen Ding, Jinjing Zhang, and Jie Cao "Imaging in turbid water based on 3D Ghost Imaging", Proc. SPIE 12065, AOPC 2021: Optical Sensing and Imaging Technology, 120651U (24 November 2021); https://doi.org/10.1117/12.2606026

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KEYWORDS

3D image processing

Underwater imaging

3D acquisition

3D modeling

Digital micromirror devices

Absorption

Scattering

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