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. Author manuscript; available in PMC: 2019 May 1.
Published in final edited form as: IEEE Trans Radiat Plasma Med Sci. 2017 Nov 9;2(3):235–243. doi: 10.1109/TRPMS.2017.2771490

Fig. 1.

Fig. 1

Repeated line search of each kernel parameter for a 2D simulated phantom. Each line search is repeated for 50 realisations of the other four fixed parameters. NRMSE refers to whole brain NRMSE.