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. 2021 Apr 30;85:63–71. doi: 10.1016/j.ejmp.2021.04.022

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© 2021 Associazione Italiana di Fisica Medica. Published by Elsevier Ltd. All rights reserved.

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Fig. 1 — Graphical representation of the threshold values found by searching inflexion points of the HU-density histograms. The Aerated Volume (AV) in white ranges between −1000 HU and HU Threshold 1; the Intermediate Volume (IV) in light grey ranges between HU Threshold 1 and HU Threshold 2; the Consolidated Volumes (CV) in dark grey ranges from HU Threshold 2 until higher HU values.