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High-Resolution Bathymetry by Deep-Learning Based Point Cloud Upsampling
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DOI：10.1109/ACCESS.2023.3349149.png)
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Abstract
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Gridded bathymetric data are often used to understand seafloor topography; however, high-resolution data are rare. To obtain high-resolution gridded bathymetric data, the observations from which the data are derived must be densely measured. However, this process is time consuming and expensive. In this study, we propose a method to obtain dense bathymetric data from sparse observations by treating the observed data as a 3D point cloud and applying a deep-learning-based point cloud upsampling technique. The upsampled cloud points were converted into gridded form. The effectiveness of our method was verified through both quantitative and qualitative analyses.
Keywords:
Bathymetry
deep learning
point clouds
super-resolution
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3.6
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9.8W
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29.4W
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