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. 2019 Jan 16;20:31. doi: 10.1186/s12859-018-2588-1

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© The Author(s). 2019

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 9 — Relative errors on K_trans, v_pand v_e from fits with our implementation of the extended Tofts model to the noise free 4D QIBA digital reference object. True parameter values, used to create the DRO, are indicated on the left (v_p), right (v_e) and bottom (K_trans) scale, in order to see patterns of errors for certain tissue types