The content discusses the challenges of underwater image restoration due to water effects and lack of clean data. It introduces a novel approach leveraging in-air images to train a diffusion prior for underwater restoration, incorporating color and depth channels. The method surpasses existing baselines for image restoration on challenging scenes. Key contributions include training an RGBD prior, proposing a new method combining RGBD prior with the underwater image formation model, and demonstrating superior performance qualitatively and quantitatively. Results are presented for real-world scenes and simulations, showcasing significant improvements over existing methods.
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arxiv.org
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