What is it about?
This is a novel denoising filter for flow visualization data. It uses not only singular value decomposiion but also a "split and overlap" method. This makes the denosing filter unique and novel. By using the "split-and-overlap" method , you no longer have to consider at which basis you may cut off when reconstructuring the data after decomposition.
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Why is it important?
1. The filter is faster than a conventional divergence-free filter by 100 times. 2. Nevertheless its denoising performances is as good as the divergence-free filter. 3. You would need onyl the first basis when reconstructing the data after decomposition.
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Read the Original
This page is a summary of: Denoising four-dimensional flow magnetic resonance imaging data using a split-and-overlap approach via singular value decomposition, Physics of Fluids, January 2024, American Institute of Physics,
DOI: 10.1063/5.0180996.
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