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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/).
Inter-operators comparison of the FRE (a,c) and RMSE2 (b,d) plots for patients CB3 (a,b) and CB5 (c,d), averaged over the trials, as the number of pairs of landmarks varies.