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. 2022 Feb 10;9:830020. doi: 10.3389/fmed.2022.830020

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Copyright © 2022 Zatcepin, Heindl, Schillinger, Kaiser, Lindner, Bartenstein, Kopczak, Liesz, Brendel and Ziegler.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Factor analysis-based PVE correction. (1A)—original dynamic scan (late frame is shown); (1B)—vena cava region; (2A)—factor curves; (2B–E)—factor images; (3A)—blood factor curve f₁(t); (3B)—blood factor image a₁(i); (4)—spill-in corrected dynamic image $S_{i}^{*}$ (t) (early frame is shown).