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. 2023 Nov 23;28(11):115002. doi: 10.1117/1.JBO.28.11.115002

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© 2023 The Authors

Published by SPIE under a Creative Commons Attribution 4.0 International License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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Fig. 9 — Absolute difference between the extracted ${SpO}_{2}$ and ground-truth ${SaO}_{2}$ at low ( $< 90 %$ ) and high ( $> 90 %$ ) saturation levels. * $p < 0.05$ .