Research on fringe projection profilometry for 3D reconstruction of target in turbid water

Long Yu; Xiangchun Shi; Jia Yu; Huiping Liu; Bin Guo; Yao Fu

doi:10.1117/12.3018075

30 April 2024 Research on fringe projection profilometry for 3D reconstruction of target in turbid water

Long Yu, Xiangchun Shi, Jia Yu, Huiping Liu, Bin Guo, Yao Fu

Proceedings Volume 13156, Sixth Conference on Frontiers in Optical Imaging and Technology: Imaging Detection and Target Recognition; 1315612 (2024) https://doi.org/10.1117/12.3018075
Event: Sixth Conference on Frontiers in Optical Imaging Technology and Applications (FOI2023), 2023, Nanjing, JS, China

Abstract

Underwater 3D reconstruction has important applications in Marine science, underwater archaeology and resource survey. As a structured light system based on active illumination, fringe projection contour method has been widely used in industrial measurement and manufacturing. However, there are still some shortcomings in the application of turbid water environment, such as the refraction of multi-layer media and the scattering and absorption caused by turbid water, resulting in a large area of information loss or reconstruction failure. This paper aims to study the improvement and application of fringe projection profilometry based on structured light projection technology in turbid water. A calibration scheme suitable for underwater system is proposed to compensate the influence of multi-layer medium refraction on the system. In order to verify the feasibility and effectiveness of this method, a reconstruction experiment was carried out in a pool in muddy water. The reconstruction results are analyzed based on the effective point cloud number, measurement error and Hausdorff distance. The results show that even under high turbidity conditions, the number of reconstructed point clouds has reached millions, and the accuracy can be maintained at the millimeter level, which reflects that the proposed method has potential practical value in the field of high-density and high-precision three-dimensional reconstruction in turbid water environment.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Long Yu, Xiangchun Shi, Jia Yu, Huiping Liu, Bin Guo, and Yao Fu "Research on fringe projection profilometry for 3D reconstruction of target in turbid water", Proc. SPIE 13156, Sixth Conference on Frontiers in Optical Imaging and Technology: Imaging Detection and Target Recognition, 1315612 (30 April 2024); https://doi.org/10.1117/12.3018075

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KEYWORDS

Turbidity

Water

Point clouds

3D projection

3D modeling

Structured light

Cameras

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