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. 2022 Apr 30;22(9):3446. doi: 10.3390/s22093446

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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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Figure A1 — ROC curves are used to evaluate the individual verification performance tested over short time separation for: (a) AFDB, (b) CEBSDB, (c) NSRDB, (d) STDB, (e) ECGIDDB, (f) PTBDB.