Underwater water noise removal calculation three-dimensional imaging method and system
A technology for removing noise and water bodies, applied in the field of 3D imaging method and imaging system for underwater noise calculation of water bodies, can solve the problems of reducing image signal-to-noise ratio and contrast, reducing the distance resolution of 3D images, etc., to achieve good environmental adaptability, good The denoising effect of water bodies and the effect of denoising and reconstruction of 3D images
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[0038] The invention discloses a three-dimensional imaging method for calculating underwater noise in a water body. A pulsed laser is used for underwater lighting, and a gating image sensor is used to collect image information. The reference water body noise can be obtained by controlling the time delay between the laser pulse and the gating imaging device. image, information frame image of interest, and obtain the background noise image of the system by turning off the laser, and then calculate and obtain the depth noise image of the water body, use the difference between the information frame image of interest and the depth noise image of the water body to obtain the denoised information frame image, and finally use the distance energy Correlation algorithm realizes 3D reconstruction without water body noise. The present invention can accurately denoise the target-containing and non-target-containing regions in the underwater gating image by obtaining the water body depth noi...
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