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. 2023 Mar 24;47(1):39. doi: 10.1007/s10916-023-01931-6

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© The Author(s) 2023

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Fig. 5 — Lorentzian-based amplitude maps of the amide and creatine pools of phantom #1 at three different noise levels resulting from the three approaches: without filtering, with NLM filter, and with pyramidal approach. In addition, the results of a Gaussian filter are displayed