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. 2022 Mar 15;15(6):2147. doi: 10.3390/ma15062147

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Illustration of reconstructed 2D images (left), after thresholding (middle) and filling and despeckle (right) steps of the RP (top) and RP/FP (bottom) foams.