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. 2021 Feb 10;26(2):022707. doi: 10.1117/1.JBO.26.2.022707

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© 2021 The Authors

Published by SPIE under a Creative Commons Attribution 4.0 Unported 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. 8 — IBI estimates from HRVCam and Peak NC-VT against ground truth pulse oximeter (pulse ox) measurements for (a) light skin tone and (b) dark skin tone. The performance of HRVCam and Peak NC-VT is similar for light skin tone. However, for dark skin tone, IBI estimates from HRVCam follow ground truth more closely than Peak NC-VT. CDM estimates are smoother than HRVCam and Peak NC-VT.